Jeon, Seongnam-Si
Bong Jun Jeon, Seongnam-Si KR
Patent application number | Description | Published |
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20150324376 | APPARATUS AND METHOD FOR DISPLAYING WEB PAGE - Provided is a method of displaying, by a terminal apparatus, a web page, the method including: displaying, on a screen of the terminal apparatus, a web page including a plurality of content regions respectively corresponding to a plurality of pieces of content; obtaining a moving speed of the web page that moves according to a scroll input of a user with respect to the screen of the terminal apparatus; and displaying first information of the plurality of pieces of contents in the plurality of content regions when the moving speed is equal to or higher than a pre-set first speed, and displaying first information and second information of the plurality of pieces of contents in the plurality of content regions when the moving speed is lower than the pre-set first speed. | 11-12-2015 |
20160042721 | DISPLAY CONTROL APPARATUSES, METHODS AND COMPUTER-READABLE STORAGE MEDIUMS - A method for controlling a terminal screen includes: first displaying, on a screen of a terminal, a first function input unit and at least a portion of a page of content on a screen, the first function input unit being associated with at least a first function for the terminal; recognizing a scroll operation on the screen; and second displaying, in response to the recognizing the scroll operation on the screen, a second function input unit instead of at least a portion of the first function input unit, the second function input unit being associated with a second function for the terminal. | 02-11-2016 |
Byeungwoo Jeon, Seongnam-Si KR
Patent application number | Description | Published |
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20100039442 | IMAGE PROCESSING APPARATUS USING ALPHA PLANE AND METHOD THEREOF - In an image processing apparatus and method, image data includes both color and alpha components. During processing, only the color component of the image data is stored in a memory. Display image data are then generated in response to the color component data retrieved from the memory and the alpha component data that were not stored in the memory. In this manner, by not storing the alpha component data in the memory, the memory access load by the image processing system is reduced. | 02-18-2010 |
20120201295 | METHOD AND APPARATUS FOR INTRA-PREDICTION ENCODING/DECODING - The present disclosure provides a method and apparatus for intra prediction encoding/decoding. The method includes: selecting an intra prediction mode of each block to be encoded; encoding a residual block generated through an intra prediction of the block according to the selected intra prediction mode to generate a coefficient bit; encoding a mode identifier for indicating the intra prediction mode according to the predetermined mode determination method to generate a mode bit; generating a bitstream including a mode bit field including a mode bit for one or more blocks and a coefficient bit field including a coefficient bit for the block; and including a mode bit field pointer for identifying the mode bit field in the bitstream. The present disclosure simplifies the process of selecting a prediction mode in a video compression to improve a compression speed and decreases a size of compressed data to improve the compression efficiency. | 08-09-2012 |
20120207211 | IMAGE ENCODING AND DECODING APPARATUS AND METHOD - The present disclosure provides a video encoding/decoding apparatus and method. According to one embodiment, the video encoding and decoding apparatus includes: an image encoder for reducing horizontal and vertical sizes of a variable macro block into a set size or by a set ratio with the variable macro block reset in a smaller size than the current size, if the variable macro block for the current encoding is not inside an input image, and predictive encoding based on the reset variable macro block; and an image decoder for decoding by reducing the size of the variable macro block for the current decoding into the set size or by set ratio with the variable macro block reset in a smaller size than the current size, if the variable macro block of the current decoding target is not inside an input image. | 08-16-2012 |
20120269274 | METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING SPLIT LAYER - The present invention relates to a method and an apparatus for encoding/decoding a video using a split layer. The video encoding/decoding method generates an encoded image data by encoding a current block partitioned into a plurality of subblocks, generates an encoded partition information data by encoding partition information of the current block, generates a bitstream including the encoded image data and the encoded partition information data, and then reconstructs the video image from the generated bitstream. According to the present disclosure, when encoding a high resolution video with variable sized blocks, various block shapes may be used for the encoding, and efficient encoding and decoding of the block partition information can improve the compression efficiency. | 10-25-2012 |
20130034152 | APPARATUS AND METHOD FOR ENCODING/DECODING IMAGES - A video encoding/decoding apparatus includes a video encoder for encoding block mode information indicating whether a block mode of a block to be encoded in a macroblock is a skip mode, partition mode information and skip motion information including index information, encoding at least one of transform type information, CBP information, and delta quantization parameter information of the block according to a combination of the block mode information and the partition mode information, and encoding coefficient information of the block based on the encoded information of the block, and a video decoder for decoding a bitstream to reconstruct block mode information indicating whether a block mode of a block to be decoded is a skip mode, partition mode information indicating whether block is divided into subblocks, and skip motion information including index information, and reconstructing block based on the reconstructed information by using reconstructed skip motion information. | 02-07-2013 |
20130034153 | VIDEO ENCODING/DECODING APPARATUS AND METHOD - A video encoding/decoding apparatus and method are disclosed. The video encoding/decoding apparatus includes: a video encoder for generating predicted subblocks by predicting subblocks into which macroblock is divided, generating residual subblocks by subtracting predicted subblocks from subblocks, generating quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to subblock size, and generating encoded video data by using different context tables according to the macroblock and subblocks when using CABAC to encode the quantized transform coefficients; and a video decoder for reconstructing information of partition type, motion, transform type and quantized transform coefficients by decoding encoded data by using a CABAC and different context tables according to a macroblock and subblocks, reconstructing residual subblocks by inverse-quantizing/inverse-transforming the quantized transform coefficients by using a transform identified by the transform type information, generating predicted subblocks, reconstructing the subblocks, and reconstructing the macroblock based on the subblocks. | 02-07-2013 |
20130034154 | VIDEO ENCODING/DECODING APPARATUS AND METHOD - Video encoding/decoding apparatus includes video encoder and video decoder. Video encoder generates predicted subblocks by predicting subblocks into which macroblock is divided, generates residual subblocks by subtracting predicted subblocks from subblocks, generates quantized transform coefficients by transforming and quantizing residual subblocks by using transform selected according to size of subblock, generates encoded video data by encoding quantized transform coefficients, and selectively calculates and determines encoding cost when determining encoding mode for at least one of motion vector, transform type, prediction mode, and block type for subblocks. Video decoder reconstructs partition type information, motion information, transform type information, and quantized transform coefficients by decoding encoded data, reconstructs residual subblocks by inverse-quantizing and inverse-transforming quantized transform coefficients by using transform identified by transform type information, generates predicted subblocks by predicting subblocks identified according to partition type information by using motion information, and reconstructs subblocks by adding predicted subblocks and residual subblocks. | 02-07-2013 |
20130034156 | INTER-PREDICTION METHOD AND VIDEO ENCODING/DECODING METHOD USING THE INTER-PREDICTION METHOD - An inter-prediction method and a video encoding/decoding method using the inter-prediction method are disclosed. The video encoding method using inter-prediction includes: encoding a first picture that serves as a reference for random access; inter-prediction encoding a block included in a second picture, which is displayed before the first picture, by using a plurality of reference pictures; generating reference picture information representing whether a past picture, which is displayed before the second picture, is used as a reference picture for encoding the second picture; and transmitting the encoded first and second pictures and the reference picture information. | 02-07-2013 |
20130039415 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE-SIZE MACROBLOCKS - A video encoding apparatus includes a candidate block type configuration unit for configuring block type candidates for encoding an image by using variable sized macroblocks; a video encoder for encoding an input image for each block type candidate; and a block type determiner for determining a block type based on encoding costs by the block type candidate, and generating a bitstream including image data encoded by the determined block type and information for the determined block type. Determining the block type to match the image characteristics enables combinations of diverse modes such as a large block and macroblock size, a minimum subblock size, available divisional block type, prediction mode type within a macroblock, and so on to achieve more effective encoding and decoding of high resolution images. | 02-14-2013 |
20130044183 | DISTRIBUTED VIDEO CODING/DECODING METHOD, DISTRIBUTED VIDEO CODING/DECODING APPARATUS, AND TRANSCODING APPARATUS - Disclosed are a distributed video encoding/decoding method and a distributed video encoding/decoding apparatus, which can improve loss resilience and the quality of service. The distributed video encoding method first involves checking the state of a channel, determining a channel coding rate and the size of video data to be transmitted based on the checked state of a channel, determining the number of motion prediction performance steps based on the determined size of video data to be transmitted, encoding the video data to be transmitted by performing motion predictions according to the determined number of motion prediction performance steps, and channel-coding the encoded video data according to the determined channel coding rate. Accordingly, it is possible to improve loss resilience, even without additionally occupying network resources, thereby being capable of reducing the probability of decoding failure. | 02-21-2013 |
20130058401 | IMAGE-FILTERING METHOD AND APPARATUS, AND ENCODING/DECODING METHOD AND APPARATUS USING SAME - An image filtering apparatus and method and a video encoding/decoding apparatus and method using the same are disclosed. The image filtering apparatus includes: a boundary identifying unit for identifying a boundary between two transform blocks included in an image; a pixel/strength selecting unit for selecting a filtering strength according to a size of at least one transform block among the two transform blocks; and a filtering unit for filtering at least one pixel included in a region adjacent to the boundary. | 03-07-2013 |
20130202047 | APPARATUS AND METHOD FOR VIDEO ENCODING/DECODING - A video encoding/decoding apparatus includes a video encoder and a video decoder. The video encoder is configured to set up motion vector resolutions differentiated by search areas centered on a prediction motion vector of a current block, perform a motion estimation with a resolution corresponding to each of the search areas to generate a motion vector, and encode a differential motion vector between the generated motion vector and the prediction motion vector. The video decoder is configured to extract the differential motion vector from a bitstream, and decode the extracted differential motion vector with a resolution corresponding to a search area where the differential motion vector belongs to among the search areas. | 08-08-2013 |
20130223522 | METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING HIGH-PRECISION FILTER - Disclosed is a video encoding apparatus. The video encoding apparatus includes a prediction unit for generating a prediction block based on interpolating sub-samples of a reference block referenced by a motion vector of a current block. The video encoding apparatus further includes a subtraction unit for generating a residual block based on subtracting the prediction block from the current block and a transform unit for generating a frequency-transformed block based on transforming the residual block. The video encoding apparatus further includes a quantization unit for generating a quantized frequency-transformed block based on quantizing the frequency-transformed block and an encoding unit for encoding the quantized frequency-transformed block into a bitstream. | 08-29-2013 |
20130266067 | METHOD AND DEVICE FOR ENCODING/DECODING IMAGE BY INTER PREDICTION USING RANDOM BLOCK - A video encoding apparatus, a video decoding apparatus and method of encoding and decoding one or more images using various shapes of blocks. The video encoding apparatus is configured to determine a partition form, among candidate partition forms, for partitioning a current block into one or more partition blocks; generate one or more predicted blocks by performing a motion compensation with a scale factor applied to the one or more partition blocks; generate a residual block by subtracting the predicted blocks from the corresponding one or more partition blocks; generate at least one transform block by transforming the residual block; generate at least one quantized transform block by quantizing the at least one transform block; and encode the at least one quantized transform block, information on the determined partition form, and the scale factor into a bitstream. | 10-10-2013 |
20130272419 | METHOD AND APPARATUS FOR GENERATING ENCODED MOTION INFORMATION/RECOVERING MOTION INFORMATION USING MOTION INFORMATION INTEGRATION, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - A video encoding apparatus, a video decoding apparatus and a method for generating coded motion information before reconstructing by using motion information merge, the video encoding apparatus includes an inter prediction unit configured to generate a prediction block of a current block by using motion compensation, decide whether to encode motion information by merging and generate coded motion information of the current block depending on the decision; a subtraction unit configured to generate a residual block by subtracting the prediction block generated from the current block; a transform and quantization unit configured to transform and quantize the residual block to thereby generate a quantized frequency residual block; and an encoding unit configured to encode the quantized frequency residual block and the coded motion information to thereby generate a bitstream. | 10-17-2013 |
20130279819 | METHOD AND APPARATUS FOR SELECTIVELY ENCODING/DECODING SYNTAX ELEMENTS, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - An apparatus and a method for motion vector encoding/decoding, and to an apparatus and a method for image encoding/decoding using same are provided. The apparatus includes a selector of optimal predicted motion vector PMV from candidate motion vector set of current block; a determiner of motion vector prediction mode of current block with selected motion vector prediction mode from multiple motion vector prediction modes by decision criterion prearranged with motion vector decoding apparatus; and an encoder for determining, by determined motion vector prediction mode, optimal PMV or default predicted motion vector into PMV for current motion vector, encoding differential vector between the current block and PMV, and selectively encoding/outputting determined motion vector prediction mode as encoded motion vector prediction mode by the determined motion vector prediction mode. Bit quantity in encoding a motion vector is reduced improving encoding efficiency and preventing decoder crash even at encoding error, improving decoder. | 10-24-2013 |
20130294512 | APPARATUS AND METHOD FOR GENERATING/RECOVERING MOTION INFORMATION BASED ON PREDICTIVE MOTION VECTOR INDEX ENCODING, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - Disclosed is a video encoding apparatus includes: an intra prediction unit to generate a prediction block by using adjacent pixels of a current block to be encoded; an inter prediction unit to (1) generate index information of a predictive motion vector of the current block based on motion vectors of blocks adjacent to the current block and a motion vector of a co-located block of a reference frame, (2) generate motion information of the current block including predictive motion vector index and reference frame index together with a differential motion vector obtained by subtracting the predictive motion vector from a motion vector of the current block, and (3) generate a prediction block based on the generated motion information; and an encoding unit configured to encode a residual block by using a subtraction unit and a transform and quantization unit to thereby generate a bitstream. | 11-07-2013 |
20130294518 | METHOD AND DEVICE FOR ENCODING/DECODING MOTION VECTOR - A method performed by a motion vector encoding apparatus for encoding a motion vector includes: determining a first motion vector and a second motion vector relating to a current block to be encoded; determining predicted motion vectors of the first motion vector and the second motion vector, respectively; calculating a first differential motion vector and a second differential motion vector; the first differential motion vector corresponding to a difference between the first motion vector and the predicted motion vector of the first motion vector, the second differential motion vector corresponding to a difference between the second motion vector and the predicted motion vector of the second motion vector; and encoding the first differential motion vector and the second differential motion vector, wherein the first motion vector and the second motion vector have different resolutions. | 11-07-2013 |
20130301709 | METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING BIDIRECTIONAL INTRA PREDICTION - The present disclosure provides a method and apparatus for encoding and decoding a video. In particular, the apparatus for encoding a video includes an offset calculator to calculate an offset between pixels of neighboring blocks corresponding to an intra prediction direction; and a prediction unit to adaptively perform an intra prediction on a current block in consideration of the calculated offset so as to generate a predicted block, and to intra-predictively encode the current block. | 11-14-2013 |
20130301717 | INTRA PREDICTION METHOD AND APPARATUS, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - The present disclosure relates to an intra prediction method and apparatus and an image encoding/decoding method and apparatus using the same. The disclosure provides the intra prediction apparatus that predicts the pixel values of respective pixels in a current block by weight-averaging the pixel values of one or more adjacent pixels in neighboring blocks to the current block according to the distances between each pixel in the current block and the adjacent pixel(s). According to the disclosure, the current block to be encoded can be predicted more accurately so that the encoding efficiency is improved by reducing the difference between the original block and the predicted block, and thereby video compression efficiency can be improved. | 11-14-2013 |
20130315299 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE SIZED MACROBLOCKS - A video encoding apparatus includes a candidate block type configuration unit for configuring block type candidates for encoding an image by using variable sized macroblocks; a video encoder for encoding an input image for each block type candidate; and a block type determiner for determining a block type based on encoding costs by the block type candidate, and generating a bitstream including image data encoded by the determined block type and information for the determined block type. Determining the block type to match the image characteristics enables combinations of diverse modes such as a large block and macroblock size, a minimum subblock size, available divisional block type, prediction mode type within a macroblock, and so on to achieve more effective encoding and decoding of high resolution images. | 11-28-2013 |
20130315302 | METHOD AND APPARATUS FOR CODING/DECODING IMAGE - The present disclosure provides an apparatus for encoding a video including: a prediction unit to generate a predicted block of a current block; a subtraction unit to generate a residual block by subtracting the predicted block from the current block; a transformer to transform the residual block into a frequency transform block by performing different transform methods on different transform units; a quantization unit to quantize the frequency transform block to generate a quantized frequency transform block; and a bitstream generator to encode the quantized frequency transform block into a bitstream. | 11-28-2013 |
20140105284 | METHOD AND APPARATUS FOR CODING/DECODING THROUGH HIGH-SPEED CODING UNIT MODE DECISION - An apparatus for encoding a video includes: a predictor to predict a current block by using a plurality of prediction unit types and generate one or more predicted blocks; a subtracting unit to generate a residual block by the subtracting the predicted blocks from the current block; a transformer to generate a frequency transform block by transforming the residual block; a quantizer to generate a quantized frequency transform block by quantizing the frequency transform block; and an encoder to encode the quantized frequency transform block into a bitstream. When the quantized frequency transform block for one of the prediction unit types has all zero coefficients, the predictor terminates predicting the current block by using the remainder of the prediction unit types and determines the prediction unit type with said all zero coefficients as the prediction unit type for the current block. | 04-17-2014 |
20140112392 | APPARATUS AND METHOD FOR CODING AND DECODING IMAGE - A video encoding apparatus includes: a parameter calculator to calculate a brightness compensation parameter based on one or more first pixels adjacent to a current block and one or more second pixels adjacent to a motion prediction block obtained by using a prediction motion vector, the one or more second pixels being located in locations corresponding to the one or more first pixels; a target pixel selector to select one or more target pixels for a brightness compensation from pixels in a prediction block determined by a motion vector of the current block, by using pixels adjacent to the motion prediction block; and a predictive encoder to generate a compensated prediction block of the prediction block by applying the brightness compensation parameter to the selected one or more target pixels and to perform a predictive encoding on the generated compensated prediction block. | 04-24-2014 |
20140133564 | ENCODING/DECODING APPARATUS AND METHOD USING FLEXIBLE DEBLOCKING FILTERING - A video decoding method includes decoding a bitstream including generating a quantized frequency transform block from the bitstream, reconstructing a residual block by inversely quantizing and inversely transforming the quantized frequency transform block, generating a prediction block by predicting a current block to be reconstructed, reconstructing the current block by adding the generated prediction block to the reconstructed residual block and performing a deblocking filtering with respect to a boundary between subblocks within a frame including the reconstructed current block, by allowing numbers of filtered pixels in a first block of the subblocks and a second block of the subblocks that engage in the filtering to be different depending on one or more predetermined criterion. | 05-15-2014 |
20140185675 | APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTABILITY OF INTRA-PREDICTION MODE - An apparatus and a method for video encoding/decoding using predictability of an intra-prediction mode are disclosed. The apparatus for encoding a video of the present disclosure includes: an intra-prediction mode determiner for determining an encoder prediction mode which is an intra-prediction mode of a current block of the video; an encoder for encoding a residual block generated by subtracting, from the current block, a predicted block generated by predicting the current block according to the encoder prediction mode; a mode information generator for generating mode information according to whether or not a video decoding apparatus is able to predict the encoder prediction mode; and an encoded data generator for generating encoded data including the encoded residual block and the mode information. The present disclosure can enhance compression in video encoding/decoding by using intra-prediction to predict the video with a minimum necessary bit rate. | 07-03-2014 |
20140254684 | METHOD AND APPARATUS FOR EFFECTIVE ENCODING/DECODING USING DETAILED PREDICTIVE UNIT - An apparatus for encoding images includes: a predictor to determine a prediction unit (PU) mode among a plurality of PU modes indicating types of partition of a current coding unit (CU) into one or more prediction units (PUs), and generate a predicted block of the current CU by performing an intra prediction or an inter prediction for each PU of the determined PU mode, wherein a size of the current CU is 2N×2N, and the plurality of PU modes includes 2N×hN or hN×2N PU mode in which the current CU is partitioned into PUs respectively having a size of 2N×hN or hN×2N, h being a fractional number smaller than 1; a subtractor to subtract the predicted block from the current CU to generate a residual block; a transformer to transform the residual block into a frequency domain to generate a frequency one or more transform blocks. | 09-11-2014 |
20140254686 | METHOD AND APPARATUS FOR PREDICTIVE ENCODING/DECODING OF MOTION VECTOR - A video encoding apparatus for predicting a motion vector of a current block to be encoded is to determine one or more representative blocks from neighboring blocks of the current block according to priorities of the neighboring blocks; and encode the motion vector of the current block by using, as a predicted motion vector of the current block, a first motion vector selected from motion vectors of the determined one or more representative blocks and a second motion vector of at least one block within a reference picture. | 09-11-2014 |
20140269916 | METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING USING IMPROVED MERGE - A video encoding apparatus includes an inter predictor to check for availability of merge candidates configured from neighboring blocks of a current block, add into a merge candidate set, as one of the merge candidates, a combined bi-predictive motion parameter with respect to an unavailable block, the combined bi-predictive motion parameter generated by combining a list 0 motion parameter of a first available andidate block and a list 1 motion parameter of a second available candidate block, when the unavailable block is checked to be present among the merge candidates, and predict the current block by using a motion parameter corresponding to a merge candidate selected from the merge candidates including the combined bi-predictive motion parameter, to thereby generate a predicted block for the current block. | 09-18-2014 |
20140286392 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE BY USING ADAPTIVE LOOP FILTER ON FREQUENCY DOMAIN USING CONVERSION - A video encoding method for reducing encoding error by using a loop filter is provided, the method including: generating a reconstructed image from encoded data of an original image; determining one or more regions on which the loop filter is applied in the reconstructed image; transforming the original image and the reconstructed image which correspond to each region of the determined one or more regions from a spatial domain into a frequency domain; determining loop filter coefficients for said each region by comparing the transformed original image and the transformed reconstructed image; loop-filtering the reconstructed image based on the loop filter coefficients for said each region; and encoding information on the loop filter coefficients for said each region. | 09-25-2014 |
20140294083 | METHOD AND AN APPARATUS FOR DECODING A VIDEO - The present disclosure relates to a method and an apparatus for motion vector encoding/decoding through estimations of multiple motion vectors, and to a method and an apparatus for video encoding/decoding using the same. The disclosure provides a motion vector encoding apparatus including a motion vector estimator for estimating a plurality of motion vectors with estimating one of the plurality of motion vectors as a motion vector of a current block and estimating the remaining motion vectors by one or more predefined estimation criteria in agreement with a video decoding apparatus; and a motion information encoder for encoding motion information generated by using the plurality of motion vectors. According to the disclosure, estimations are enabled by using more accurate motion vectors while reducing the bit rate for encoding the motion vectors leading to an improvement of the compressing efficiency. | 10-02-2014 |
20140307788 | METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO USING SKIP MODE - A video encoding apparatus includes: an inter prediction unit to determine a motion parameter of a current block and generate a predicted block of the current block, by performing a motion estimation on the current block; and an optimal mode determining unit to set a prediction mode of the current block as a SKIP mode when (i) the motion parameter of the current block is identical to a motion parameter of a candidate block among a plurality of candidate blocks and (ii) all-zero coefficients result from a transform and a quantization performed on a residual data block representing the difference between the current block and the predicted block. | 10-16-2014 |
20140321543 | METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING - A method and an apparatus for image encoding/decoding are disclosed. The apparatus includes: a block decomposer for decomposing a current block into a plurality of sub-blocks; and an intra prediction encoder for performing an intra prediction encoding by referring to already encoded and decoded adjacent pixel information of each sub-block, based on an intra prediction mode equal to an intra prediction mode of the current block, thereby generating a bit stream for the current block. In image encoding and image decoding, when a current block to be encoded or decoded is predicted, the disclosed method and apparatus can improve the accuracy of the prediction, which can provide an image with a satisfactory reproduction quality by improved coding efficiency. | 10-30-2014 |
20140328403 | IMAGE ENCODING/DECODING METHOD AND APPARATUS USING WEIGHT PREDICTION - A method for decoding video images includes: determining a coding block, from a bitstream, which is divided in a quadtree structure from a largest coding block; decoding, from the bitstream, motion information on one or more prediction blocks divided from the coding block; predicting the prediction blocks based on the motion information; reconstructing a residual block from the bitstream; and reconstructing the coding block by adding the predicted prediction blocks and the reconstructed residual block. The predicting of the prediction blocks includes: generating first predicted pixels within each of the prediction blocks by using the motion information; decoding, from the bitstream, a weighted prediction parameter applicable to each of the prediction blocks; and generating second predicted pixels within each of the prediction blocks by applying the weighted prediction parameter to the first predicted pixels within each of the prediction blocks. | 11-06-2014 |
20150016526 | IMAGE ENCODING/DECODING METHOD AND DEVICE - The present disclosure relates to a video encoding/decoding apparatus and method, in which skip information indicating whether a block is a skip block is encoded, partition information of the block and skip motion information of the block are encoded or prediction information of the block containing the partition information of the block and intra prediction mode information or motion information are encoded according to the skip information, residual signal information of the block is predictive-encoded based on the prediction information and the transform information, and an encoded signal is reconstructed. The method and the apparatus can improve the video compression efficiency by efficiently encoding the encoding information used for the video encoding and selectively using various encoding methods and decoding methods in encoding the video. | 01-15-2015 |
20150078437 | IMAGE ENCODING/DECODING METHOD AND DEVICE USING COEFFICIENTS OF ADAPTIVE INTERPOLATION FILTER - An image encoding and decoding method comprising: a coefficient calculator for calculating adaptive interpolation filter coefficient of a current frame; an image encoder for interpolating reference frames using the adaptive interpolation filter coefficient of the current frame and encoding the current frame using the interpolated reference frames; a filter flag encoder for generating and encoding a coefficient-inserted flag or coefficient non-inserted flag as a filter flag according to the adaptive interpolation filter coefficient of the current frame; a coefficient encoder for encoding the adaptive interpolation filter coefficient of the current frame when the filter flag is a coefficient-inserted flag; and a bit stream generator for generating and outputting a bit stream, which includes the encoded current frame and encoded filter flag, and further includes encoded adaptive interpolation filter coefficient of the current frame when the filter flag is the coefficient-inserted flag. | 03-19-2015 |
20150195543 | METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING SPLIT LAYER - The present invention relates to a method and an apparatus for encoding/decoding a video using a split layer. The video encoding/decoding method generates an encoded image data by encoding a current block partitioned into a plurality of subblocks, generates an encoded partition information data by encoding partition information of the current block, generates a bitstream including the encoded image data and the encoded partition information data, and then reconstructs the video image from the generated bitstream. According to the present disclosure, when encoding a high resolution video with variable sized blocks, various block shapes may be used for the encoding, and efficient encoding and decoding of the block partition information can improve the compression efficiency. | 07-09-2015 |
20150201192 | METHOD AND APPARATUS FOR ENCODING FREQUENCY TRANSFORMED BLOCK USING FREQUENCY MASK TABLE, AND METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING SAME - A video encoding/decoding apparatus including a video encoder for generating a prediction block, generating a residual block by subtracting the prediction block from the current block. The video encoder is for generating a frequency-transformed block by transforming and quantizing the residual block, generating a masked frequency-transformed block by masking the frequency-transformed block by using one or more frequency mask tables. The video encoder is for encoding information about a frequency mask table used for masking the masked frequency-transformed block. The apparatus includes a video decoder for extracting a masked quantized frequency coefficient string recorded in the bitstream. The video decoder is for generating a quantized frequency coefficient string by zero setting all quantized frequency coefficients at positions of no records in the bitstream from a masked quantized frequency coefficient string. The video decoder is for generating a quantized frequency-transformed block by inversely scanning the generated quantized frequency coefficient string. | 07-16-2015 |
20150201221 | ENCODING / DECODING METHOD AND APPARATUS USING A TREE STRUCTURE - The present disclosure provides an encoding/decoding method using a tree structure. The encoding method for encoding image information includes: grouping predetermined areas having the image information into a plurality of groups, and generating a node value of each layer up to an uppermost layer by determining a minimum value or a maximum value of information to be encoded within grouped areas as information on the grouped areas; and encoding a difference value between the node value of each layer and a node value of an upper layer or a difference value between the node value of each layer and a value determined based on a preset criterion. Accordingly, the encoding efficiency and in turn the video compression efficiency are improved by using the tree structure in the encoding of various pieces of image information and the decoding of the resultant encoded data. | 07-16-2015 |
20150208068 | ENCODING/DECODING METHOD AND APPARATUS USING A TREE STRUCTURE - A method for reconstructing image information divided by a tree structure from a bitstream, includes: decoding the bitstream to reconstruct additional information, the additional information including first information on a minimum block size and second information on a difference between the minimum block size and a maximum block size, wherein the difference between the minimum block size and the maximum block size is a value of a log scale; reconstructing a partition flag indicating whether or not each node, starting from a node of an uppermost layer of the tree structure, is divided into nodes of a lower layer, the node of the uppermost layer identified based on the first and second information; and reconstructing image information of a block corresponding to a node which is not further divided. | 07-23-2015 |
20150208077 | IMAGE ENCODING/DECODING METHOD AND DEVICE - A video decoding method performed by a video decoding apparatus includes: determining a current block to be decoded, by decoding block size information from a bitstream; decoding a skip information of the current block from the bitstream, the skip information indicating whether the current block is a skip block; when the skip information indicates that the current block is the skip block, decoding a skip motion information of the current block from the bitstream, and reconstructing the current block directly from a predicted block predicted based on the skip motion information, without reconstructing a residual signal information from the bitstream; and when the skip information indicates that the current block is not the skip block, decoding an intra or inter prediction information of the current block and a residual signal information from the bitstream, and reconstructing the current block based on the prediction information and the residual signal information. | 07-23-2015 |
20150208100 | ENCODING / DECODING METHOD AND APPARATUS USING A TREE STRUCTURE - An apparatus for encoding image information using a tree structure performs a method by: encoding a partition flag indicating whether each node, starting from a node of an uppermost layer of the tree structure, is divided into nodes of a lower layer; encoding image information of a block corresponding to a node which is not further divided; and encoding additional information including first information on a minimum block size and second information on a difference between the minimum block size and a maximum block size, wherein the first and second information are used for identifying the maximum block size corresponding to the node of the uppermost layer. | 07-23-2015 |
20150208101 | ENCODING/DECODING METHOD AND APPARATUS USING A TREE STRUCTURE - An apparatus for encoding image information using a tree structure, performs a method by: encoding a partition flag indicating whether each node, starting from a node of an uppermost layer of the tree structure, is divided into nodes of a lower layer; encoding image information of a block corresponding to a node which is not further divided; and encoding additional information including first information on a minimum block size and second information on a difference between the minimum block size and a maximum block size, the difference between the minimum block size and the maximum block size being a value of a log scale, wherein the first and second information are used for identifying the maximum block size corresponding to the node of the uppermost layer. | 07-23-2015 |
20150215630 | ENCODING/DECODING METHOD AND APPARATUS USING A TREE STRUCTURE - A method for reconstructing information on transform coefficients of a current block by a tree structure, includes: decoding a bitstream to reconstruct information on a size of the current block and information on a minimum subblock size; determining the size of the current block based on the information on the size of the current block; determining the minimum subblock size based on the information on the minimum subblock size; and reconstructing the information on transform coefficients of each of one or more subblocks by dividing the current block in the determined size into the one or more subblocks by the tree structure, wherein the current block is divided into the subblocks which are not smaller than the minimum subblock size. | 07-30-2015 |
20150222900 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGES CONSIDERING LOW FREQUENCY COMPONENTS - The method performed by an apparatus for encoding a current block, includes: generating a predicted block by predicting the current block; generating a residual block of the current block by subtracting the predicted block from the current block; partitioning the residual block into a plurality of subblocks having various sizes, and transforming each of the subblocks by using a transform unit of a size identical to each of the subblocks, to thereby generate transform blocks of the subblocks; quantizing the transform blocks; and encoding transform coefficients of each of the quantized transform blocks. | 08-06-2015 |
20150222918 | INTER-PREDICTION METHOD AND VIDEO ENCODING/DECODING METHOD USING THE INTER-PREDICTION METHOD - A video decoding method using inter-prediction, includes: identifying, based on information included in a bitstream, whether a first picture is a picture which allows a second picture preceding the first picture in a display order to refer to at least one picture decoded before the first picture, the first picture serving as a random access picture; decoding the first picture without referring to a reference picture which has already decoded; and when the first picture is a picture which allows the second picture to refer to the at least one picture decoded before the first picture, inter-prediction decoding, after decoding the first picture, the second picture by using at least one reference picture which is decoded before the first picture depending on reference picture information of the second picture. | 08-06-2015 |
20150222923 | INTER-PREDICTION METHOD AND VIDEO ENCODING/DECODING METHOD USING THE INTER-PREDICTION METHOD - A video decoding method using inter-prediction, includes: decoding a first picture, wherein the first picture serves as a random access picture and is decoded without referring to a reference picture which has already decoded; and decoding a block, by using an inter-prediction, included in a second picture, which is decoded after the first picture and displayed before the first picture, by using a plurality of reference pictures, wherein the decoding of the block included in the second picture is performed based on reference picture information representing one or more past pictures which are decoded before the first picture and are used as reference pictures for decoding the second picture, and wherein when the one or more past pictures are used for decoding the second picture, the one or more past pictures are deleted from a memory after decoding at least the second picture. | 08-06-2015 |
20150222926 | INTER-PREDICTION METHOD AND VIDEO ENCODING/DECODING METHOD USING THE INTER-PREDICTION METHOD - A video encoding method using inter-prediction, includes: encoding a first picture, wherein the first picture serves as a random access picture and is encoded without referring to a reference picture which has already encoded and then decoded; inter-prediction encoding a block included in a second picture, which is encoded after the first picture and displayed before the first picture, by using a plurality of reference pictures; generating reference picture information representing one or more past pictures which are encoded before the first picture and are used as reference pictures for encoding the second picture; and transmitting the encoded first picture and the encoded second pictures and the reference picture information, wherein, when the one or more past pictures are used as the reference pictures for encoding the second picture, the one or more past pictures are deleted from a memory after encoding at least the second picture. | 08-06-2015 |
20150222927 | INTER-PREDICTION METHOD AND VIDEO ENCODING/DECODING METHOD USING THE INTER-PREDICTION METHOD - A video encoding method using inter-prediction, includes: encoding information indicating whether a first picture is a picture which allows a second picture preceding the first picture in a display order to refer to at least one picture encoded before the first picture, wherein the first picture serves as a random access picture; encoding the first picture without referring to a reference picture which has already encoded; and when the first picture is a picture which allows the second picture to refer to the at least one picture encoded before the first picture, inter-prediction encoding, after encoding the first picture, the second picture by using at least one reference picture encoded before the first picture, and encoding reference picture information used for encoding the second picture, wherein the at least one reference picture encoded before the first picture is not deleted from a memory until the second picture are encoded. | 08-06-2015 |
20150229924 | ENCODING/DECODING METHOD AND DEVICE FOR HIGH-RESOLUTION MOVING IMAGES - A video decoding apparatus includes a decoder to decode division information related to dividing a current block into subblocks, and reconstruct transform coefficients of each of the subblocks identified by the division information, and thereby generate transformed residual subblocks; an inverse transformer to inverse-transform each of the transformed residual subblocks, and thereby generate residual subblocks; a predictor to generate predicted subblocks by intra-predicting each of the subblocks; an adder to reconstruct the current block by adding the predicted subblocks to the residual subblocks corresponding thereto; and a first filter to perform deblocking-filtering on boundaries between the subblocks in a reconstructed picture including the reconstructed current block. | 08-13-2015 |
20150229925 | METHOD AND APPARATUS FOR ENCODING/DECODING THE MOTION VECTORS OF A PLURALITY OF REFERENCE PICTURES, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - A video decoding method using an inter prediction, includes: reconstructing a first differential motion vector and a second differential motion vector of a current block by decoding encoded data; deriving a first predicted motion vector and a second predicted motion vector of the current block from one or more neighboring blocks of the current block; generating a first motion vector of the current block by adding the first candidate motion vector to the first differential motion vector, and a second motion vector of the current block by adding the second candidate motion vector to the second differential motion vector; generating a predicted block of the current block by using the first and second motion vectors; reconstructing a residual block by decoding residual signals included in the encoded data; and adding each pixel value of the predicted block to a corresponding pixel value of the residual block. | 08-13-2015 |
20150229937 | METHOD AND AN APPARATUS FOR DECODING A VIDEO - A video decoding method using an inter prediction, includes: obtaining block mode information and residual data from encoded data; generating a predicted block by performing the inter prediction in the unit of a block identified by the block mode information; identifying one or more conditions for enabling an inverse quantization and an inverse transform; skipping both of the inverse quantization and the inverse transform for the obtained residual data to thereby reconstruct a residual block directly from the obtained residual data, when the one or more identified conditions indicate skipping of both the inverse quantization and the inverse transform; inversely quantizing the obtained residual data and skipping the inverse transform for the inversely quantized residual data to thereby reconstruct a residual block using the inverse-quantized residual data, when the one or more identified conditions indicate skipping of the inverse transform. | 08-13-2015 |
20150229938 | METHOD AND AN APPARATUS FOR DECODING A VIDEO - A method for decoding a residual block, includes: obtaining residual data from encoded data; identifying one or more conditions for enabling an inverse quantization and an inverse transform; skipping both of the inverse quantization and the inverse transform for the obtained residual data to thereby reconstruct a residual block directly from the obtained residual data, when the one or more identified conditions indicate skipping of both the inverse quantization and the inverse transform; inversely quantizing the obtained residual data and skipping the inverse transform for the inversely quantized residual data to thereby reconstruct a residual block using the inverse-quantized residual data, when the one or more identified conditions indicate skipping of the inverse transform; and inversely quantizing the obtained residual data and inversely transforming the inversely quantized residual data to thereby reconstruct a residual block using the inverse transformed residual data. | 08-13-2015 |
20150229939 | IMAGE-FILTERING METHOD AND APPARATUS, AND ENCODING/DECODING METHOD AND APPARATUS USING SAME - The present disclosure provides a video decoding apparatus including a decoder configured to decode, from encoded data, transform information for identifying one or more transform blocks, wherein a residual block of a current block to be decoded is comprised of the transform blocks, and reconstruct, from the encoded data, transform coefficients of each of the transform blocks identified by the transform information, an inverse transformer configured to reconstruct the residual block by inversely transforming the transform coefficients in units of a size of each of the transform block, a predictor configured to generate a predicted block by predicting the current block, an adder configured to reconstruct the current block by adding the residual block to the predicted block, and a filter configured to perform deblocking-filtering on at least part of transform boundaries between the transform blocks in the reconstructed current block. | 08-13-2015 |
20150229943 | DEVICE AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTION DIRECTION CONVERSION AND SELECTIVE ENCODING - A video decoding apparatus for decoding a current block comprised of a plurality of subblocks by using an intra prediction, includes: an inverse quantization unit to inversely quantize transformed and quantized residual subblocks corresponding to the subblocks of the current block to thereby generate transformed residual subblocks; an inverse transform unit to inversely transform the transformed residual subblocks to thereby reconstruct residual subblocks; a prediction unit to sequentially predict the subblocks from neighboring pixels which have been already reconstructed to thereby generate a plurality of predicted subblocks corresponding to the subblocks; and an adder to sequentially reconstruct the subblocks by adding each of the reconstructed residual subblocks to a predicted subblock corresponding thereto, wherein the prediction unit uses one or more pixels of at least one previously reconstructed subblock within the current block as the neighboring pixels. | 08-13-2015 |
20150229954 | METHOD AND AN APPARATUS FOR DECODING A VIDEO - A video decoding method using an inter prediction, includes: obtaining a differential motion vector and residual data from encoded data; determining a predicted motion vector; generating a predicted block by performing the inter prediction based on the differential motion vector and the predicted motion vector; identifying one or more conditions for enabling an inverse quantization and an inverse transform; skipping both of the inverse quantization and the inverse transform for the obtained residual data to thereby reconstruct a residual block directly from the obtained residual data, when the one or more identified conditions indicate skipping of both the inverse quantization and the inverse transform; and inversely quantizing the obtained residual data and skipping the inverse transform for the inversely quantized residual data to thereby reconstruct a residual block using the inverse-quantized residual data, when the one or more identified conditions indicate skipping of the inverse transform. | 08-13-2015 |
20150229961 | INTRA PREDICTION METHOD AND APPARATUS, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - A video decoding apparatus using an intra prediction, includes: a decoder to decode a bitstream to thereby extract residual signals; an inverse quantizer to inversely quantize the residual signals; an inverse transformer to inversely transform the inversely quantized residual signals; an intra predictor to predict a current block from a plurality of neighboring blocks of the current block; and an adder to add the inversely transformed residual signals to the predicted pixels in the predicted block, wherein the intra predictor includes a weighted pixel calculator to calculate a plurality of weighted pixel values of pixels selected in the neighboring blocks by applying weights to the pixels selected in the neighboring blocks, the weights being decided variably based on a position of a current pixel to be predicted in the current block; and a pixel predictor to derive a predicted pixel value of the current pixel using the weighted pixel values. | 08-13-2015 |
20150229962 | INTRA PREDICTION METHOD AND APPARATUS, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - A video decoding method using an intra prediction, includes: predicting a current block from a plurality of neighboring blocks of the current block; decoding a bitstream to thereby extract residual signals; inversely quantizing the residual signals; inversely transforming the inversely quantized residual signals; and adding the inversely transformed residual signals to the predicted pixels in the predicted block, wherein the prediction of the current block comprises: calculating a plurality of weighted pixel values of pixels selected in the neighboring blocks by applying weights to the pixels selected in the neighboring blocks, wherein the weights are decided variably based on a position of a current pixel to be predicted in the current block; and deriving a predicted pixel value of the current pixel using the weighted pixel values. | 08-13-2015 |
20150229963 | INTRA PREDICTION METHOD AND APPARATUS, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - A video encoding apparatus using an intra prediction, includes: an intra predictor to predict a current block from a plurality of neighboring blocks of the current block; a subtractor to generate residual signals by subtracting predicted pixels in the predicted block from pixels in the current block; a transformer to transform the residual signals into a frequency domain; a quantizer to quantize the transformed residual signals; and an encoder to encode the quantized residual signals into a bitstream, wherein the intra predictor includes: a weighted pixel calculator configured to calculate a plurality of weighted pixel values of pixels selected in the neighboring blocks by applying weights to the pixels selected in the neighboring blocks. | 08-13-2015 |
20150249825 | APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTABILITY OF INTRA-PREDICTION MODE - An apparatus for decoding a video, includes: a mode information extractor to extract mode information on an intra-prediction mode of a current block from encoded data; a prediction mode determiner to determine a candidate intra-prediction mode selected from a plurality of candidate intra-prediction modes as the intra-prediction mode of the current block, when the mode information indicates a first encoding mode; a prediction mode extractor to determine the intra-prediction mode of the current block by using a prediction mode identifier, when the mode information indicates a second encoding mode and includes the prediction mode identifier; and a decoder to decode the encoded data to produce a residual block, and reconstruct the current block by adding the produced residual block to a prediction block predicted based on the intra-prediction mode of the current block determined by either the prediction mode determiner or the prediction mode extractor. | 09-03-2015 |
20150249826 | APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTABILITY OF INTRA-PREDICTION MODE - An apparatus for decoding a video includes: a mode information extractor to extract mode information on an intra-prediction mode of a current block from encoded data; a prediction mode determiner to determine a candidate intra-prediction mode selected from a plurality of candidate intra-prediction modes as the intra-prediction mode of the current block, when the mode information indicates a first encoding mode; a prediction mode extractor to determine the intra-prediction mode of the current block by using a prediction mode identifier, when the mode information indicates a second encoding mode and includes the prediction mode identifier; and a decoder to decode the encoded data to produce a residual block, and reconstruct the current block by adding the produced residual block to a prediction block predicted based on the intra-prediction mode of the current block determined by either the prediction mode determiner or the prediction mode extractor. | 09-03-2015 |
20150256836 | VIDEO ENCODING/DECODING APPARATUS AND METHOD - A video decoding apparatus includes: a decoder to reconstruct a syntax corresponding to at least one of a first block, a second block and a third block, the first block being generated by dividing a frame for decoding, the second block corresponding to a unit of a prediction and is generated by dividing the first block, and the third block corresponding to a unit of transformation and is generated by dividing the first block in a tree structure; and a predictor to reconstruct a prediction block corresponding to at least one of the first block, the second block and the third block. | 09-10-2015 |
20150256847 | APPARATUS AND METHOD FOR MOTION VECTOR ENCODING/DECODING, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - A video decoding method using an inter-prediction is disclosed. The method includes at least: determining a motion vector of a current block to be decoded in a current picture; predicting pixels in current block using the motion vector of the current block; extracting quantized transform coefficients by decoding a bitstream; reconstructing residual signals by inversely quantizing and then inversely transform the quantized transform coefficients; and adding the predicted pixels and the reconstructed residual signals which correspond to the predicted pixels, wherein the determination of the motion vector of the current block comprises: obtaining a flag by decoding a bitstream, the flag indicating one among a plurality of modes for determining the motion vector of the current block. | 09-10-2015 |
20150256848 | APPARATUS AND METHOD FOR MOTION VECTOR ENCODING/DECODING, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - A video decoding apparatus using an inter-prediction is disclosed. The apparatus includes at least: a decoder configured to reconstruct a flag and quantized transform coefficients by decoding a bitstream, the flag indicating one among a plurality of modes for determining the motion vector of the current block; a predictor configured to determine a motion vector of a current block to be decoded in a current picture, and predict pixels in current block using the motion vector of the current block; an inverse quantizer and inverse transformer configured to inversely quantize and then inversely transform the quantized transform coefficients to thereby reconstruct residual signals; and an adder configured to add the predicted pixels to the reconstructed residual signals which correspond to the predicted pixels. | 09-10-2015 |
20150256849 | APPARATUS AND METHOD FOR MOTION VECTOR ENCODING/DECODING, AND APPARATUS AND METHOD FOR IMAGE ENCODING/DECODING USING SAME - A video decoding apparatus using an inter-prediction is disclosed. The apparatus includes at least: a decoder configured to reconstruct a flag and quantized transform coefficients by decoding a bitstream, the flag indicating one among a plurality of modes for determining the motion vector of the current block; a predictor configured to determine a motion vector of a current block to be decoded in a current picture, and predict pixels in current block using the motion vector of the current block; an inverse quantizer and inverse transformer configured to inversely quantize and then inversely transform the quantized transform coefficients to thereby reconstruct residual signals; and an adder configured to add the predicted pixels to the reconstructed residual signals which correspond to the predicted pixels. | 09-10-2015 |
20150281690 | IMAGE ENCODING/DECODING METHOD AND DEVICE - A video decoding apparatus includes an encoding information decoder to reconstruct a skip information indicating whether a block to be decoded in an image is a skip block by decoding a bitstream, and reconstruct either a skip motion information of the block, or an intra or inter prediction information of the block and a transform information of the block by decoding the bitstream, according to the skip information; and a video decoder to either reconstruct the block based on the skip motion information or reconstruct the block based on both the prediction information and a residual signal information reconstructed by decoding the bitstream based on the transform information, wherein the encoding information decoder is configured to reconstruct the transform information which includes partition information related to partitioning the block into subblocks by a tree structure. | 10-01-2015 |
20150281700 | IMAGE ENCODING/DECODING METHOD AND DEVICE - A video encoding apparatus includes: an encoding information encoder to encode a skip information indicating whether a block to be encoded is a skip block, and encode either a skip motion information of the block, or an intra or inter prediction information of the block and a transform information of the block, according to whether the block to be encoded is the skip block, wherein the transform information includes partition information related to partitioning the block into subblocks by a tree structure; and a video encoder to encode a residual signal information of each of the subblocks partitioned from the block. | 10-01-2015 |
20150288960 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE SIZED MACROBLOCKS - A method performed by an apparatus of decoding a video in the unit of blocks, includes: decoding information on a block size from a bitstream; determining a maximum block size to be used for decoding an encoded image, based on the information on the block size; and reconstructing an image by decoding the encoded image using the determined maximum block size, wherein the information on the block size includes a first information on a minimum block size and a second information on a difference between the minimum block size and the maximum block size. | 10-08-2015 |
20150288961 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE SIZED MACROBLOCKS - A method performed by an apparatus of encoding a video in the unit of blocks, includes: determining a maximum block size to be used for encoding an image; encoding size information for indicating the determined maximum block size; and encoding the image using the determined maximum block size, wherein the size information includes a first information on a minimum block size, and a second information on a difference between the minimum block size and the determined maximum block size. | 10-08-2015 |
20150288969 | VIDEO ENCODING/DECODING APPARATUS AND METHOD - A video decoding method, includes: reconstructing a syntax corresponding to at least one of a first block, a second block and a third block, wherein the first block is generated by dividing a frame for decoding, the second block corresponds to a unit of a prediction and is generated by dividing the first block, and the third block corresponds to a unit of transformation and is generated by dividing the first block in a tree structure; and reconstructing a prediction block corresponding to at least one of the first block, the second block and the third block, wherein the second block includes a batch mode flag for indicating whether a batch mode is used. | 10-08-2015 |
20150288971 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE-SIZE MACROBLOCKS - A video decoding apparatus using a tree structure, includes: a decoder to decode, from a bitstream, a partition flag indicating whether each block, starting from a block corresponding to an uppermost layer of the tree structure, is divided into four blocks of a lower layer, and thereby identify a block which is not further divided, and decode prediction type information on the identified block from the bitstream; and a reconstructor to reconstruct the identified block by using a prediction mode indicated by the prediction type information, wherein, when a block of a first layer is divided into four blocks of a second layer which is a lower layer of the first layer, the decoder is configured to decode the partition flag for each of the four blocks of the second layer in a predetermined order. | 10-08-2015 |
20150288972 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE-SIZE MACROBLOCKS - A video decoding apparatus for reconstructing residual signals of a current block to be decoded by using a tree structure, includes: a decoder to decode, from a bitstream, prediction type information on the current block to be decoded, and divide, by the tree structure, the current block into one or more subblocks of which information on residual signals is to be reconstructed, by decoding, from the bitstream, a partition flag which indicates whether a block corresponding thereto is divided into blocks of a lower layer in the tree structure, wherein blocks which are not further divided are identified as the subblocks of which information on the residual signals is to be reconstructed; and a reconstructor to reconstruct information on residual signals of each of the subblocks from the bitstream. | 10-08-2015 |
20150288987 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING VARIABLE-SIZE MACROBLOCKS - A video encoding apparatus using a tree structure, includes: a splitter to generate a partition flag indicating whether each block, starting from a block corresponding to an uppermost layer of the tree structure, is divided into four blocks of a lower layer; and an encoder to encode, into a bitstream, the partition flag and prediction type information on a block which is not further divided in the tree structure, wherein, when a block of a first layer is divided into four blocks of a second layer which is a lower layer of the first layer, the encoder is configured to encode the partition flag for each of the four blocks of the second layer in a predetermined order. | 10-08-2015 |
20150296216 | APPARATUS AND METHOD FOR ENCODING/DECODING IMAGES - A method performed by a video decoding apparatus, includes: identifying a current block to be decoded by dividing a maximum size block; decoding, from a bitstream, block mode information indicating whether a block mode of the current block to be decoded is a skip mode; when the block mode information indicates that the block mode of the current block is the skip mode, decoding, from the bitstream, a skip motion information of the current block and determining a motion vector of the current block based on the skip motion information, predicting the current block using the determined motion vector current block, and reconstructing the current block directly from the predicted block, without decoding information on residual signals of the current block from the bitstream. | 10-15-2015 |
20150296217 | APPARATUS AND METHOD FOR ENCODING/DECODING IMAGES - A method performed by a video encoding apparatus, includes: encoding block mode information indicating whether a block mode of a current block to be decoded is a skip mode; when the block mode of the current block is the skip mode, encoding a skip motion information of the current block without encoding information on residual signals of the current block, wherein the skip motion information is used for determining a motion vector of the current block; and when the block mode of the current block is not the skip mode, encoding prediction information of the current block, and encoding partition information of a tree structure related to dividing the current block into one or more subblocks, and thereby encoding information on residual signals of the subblocks. | 10-15-2015 |
20150296220 | VIDEO ENCODING AND DECODING METHOD USING AN INTRA PREDICTION - A method performed by an apparatus for intra-predicting a current block in the unit of subblocks, comprises: determining an intra prediction mode of the current block among a plurality of intra prediction modes; identifying the subblocks split from the current block; and sequentially reconstructing the identified subblocks using an intra prediction mode identical to the determined intra prediction mode of the current block, wherein a subblock to be reconstructed is predicted using at least one pre-reconstructed neighboring subblock in the current block. | 10-15-2015 |
20150312570 | IMAGE ENCODING/DECODING DEVICE AND METHOD - A video decoding method includes: decoding a skip information indicating whether or not a current block to be decoded is a skip block; when the skip information indicates that the current block is the skip block, decoding motion information of the current block, determining a motion vector of the current block, and reconstructing the current block directly from a predicted block, without decoding information on residual signals of the current block; and when the skip information indicates that the current block is not the skip block, decoding prediction information of the current block from the bitstream, decoding information on a quantization parameter and transform coefficients which correspond to the current block, when at least one of the transform coefficients is not zero, reconstructing residual signals from the transform coefficients and reconstructing the current block based on the prediction information and the reconstructed residual signals. | 10-29-2015 |
20150334402 | IMAGE ENCODING AND DECODING APPARATUS AND METHOD - An method of encoding a video in the unit of blocks, includes: encoding information on a picture size of the video and information on available block sizes; setting an initial size of a current block to be encoded to a largest block size among the available block sizes; determining a location of the current block within a picture; identifying whether the current block is fully located inside the picture, based on the picture size, the size of the current block and the location of the current block; resetting the size of the current block to a smaller size among the available block sizes, when the current block is not fully located inside the picture; and encoding the current block in the reset size. | 11-19-2015 |
20150341637 | METHOD AND APPARATUS FOR ENCODING/DECODING VIDEO USING SPLIT LAYER - A method performed by an apparatus of decoding a video in the unit of blocks, includes: extracting and decoding a first information corresponding to a minimum block size and a second information corresponding to a difference between the minimum block size and a maximum block size, from a bitstream; calculating the maximum block size based on the first information corresponding to the minimum block size and the second information corresponding to the difference; decoding, from the bitstream, partition information of a square current block having the derived maximum block size to identify one or more subblocks in the current block which have sizes equal to or larger than the minimum block size; decoding a prediction mode information of each of the subblocks, the prediction mode information indicating whether a subblock is inter-predicted or intra-predicted; and reconstructing each of the subblocks in the current block by predicting each of the subblocks. | 11-26-2015 |
20150350643 | METHOD AND APPARATUS FOR GENERATING A REFERENCE FRAME AND METHOD AND APPARATUS FOR ENCODING/DECODING IMAGE USING THE SAME - A method for encoding pixels in an image, includes: encoding an offset to be applied to a reference frame; generating predicted pixels of the pixels in the image, based on interpolating pixels in the reference frame and then adding the offset to the interpolated pixels; and encoding residual signals that are differences between the pixels in the image and the predicted pixels, wherein the encoding of the residual signals comprises: skipping both transform and quantization with respect to residual signals of which an encoding scheme corresponds to skipping of both transform and quantization, the encoding scheme related to transform and quantization, skipping transform and performing quantization with respect to residual signals of which the encoding scheme corresponds to skipping of transform, and performing transform and quantization with respect to residual signals of which the encoding scheme corresponds to skipping neither transform nor quantization. | 12-03-2015 |
20150358618 | METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING - A video decoding apparatus using an intra prediction, includes: a decoder to obtain mode information of a current block and residual sub-blocks corresponding to a plurality of sub-blocks included in the current block, from a bitstream; an intra predictor to select an intra prediction mode of the current block from among a plurality of intra prediction modes, based on the obtained mode information, identify the plurality of sub-blocks of the current block, and sequentially predict the plurality of sub-blocks by using neighboring pixels adjacent to each of the plurality of sub-blocks; an inverse quantization and transform unit configured to inversely quantize and then inversely transform each of the residual subblocks; and an adder configured to sequentially reconstruct the plurality of sub-blocks by adding each of the predicted sub-blocks to an inversely quantized and inversely transformed residual sub-block corresponding thereto. | 12-10-2015 |
20150365672 | METHOD AND DEVICE FOR SUBBAND CODING FREQUENCY CONVERSION UNIT, AND METHOD AND DEVICE FOR IMAGE ENCODING/DECODING USING SAME - A method performed by an apparatus for decoding a video, includes: generating a predicted block by predicting a current block to be decoded; reconstructing frequency coefficients in a frequency conversion unit by decoding a bitstream, to generate a frequency conversion block having a size of the frequency conversion unit; inversely transforming the frequency conversion block by using a transform size identical to the size of the frequency conversion unit, to reconstruct a residual block; and adding the reconstructed residual block to the predicted block. | 12-17-2015 |
20150365700 | DEVICE AND METHOD FOR IMAGE ENCODING/DECODING USING PREDICTION DIRECTION CONVERSION AND SELECTIVE ENCODING - A video decoding apparatus for decoding a current block comprised of a plurality of subblocks by using an intra prediction, includes: a prediction mode extractor to extract information on an intra prediction mode of the current block; an inverse quantization unit to inversely quantize transformed and quantized residual subblocks corresponding to the subblocks of the current block to thereby generate transformed residual subblocks; an inverse transform unit to inversely transform the transformed residual subblocks to thereby reconstruct residual subblocks; a prediction unit to sequentially predict each of the subblocks from neighboring pixels selected based on the information on the intra prediction mode of the current block and thereby generate a plurality of predicted subblocks corresponding to the subblocks; and an adder to sequentially reconstruct the subblocks by adding each of the reconstructed residual subblocks to a predicted subblock corresponding thereto. | 12-17-2015 |
20160029023 | ENCODING/DECODING METHOD AND DEVICE FOR HIGH-RESOLUTION MOVING IMAGES - A video encoding method includes: determining a size of a current block to be encoded and encoding information for indicating the size of the current block; encoding division information related to dividing the current block into one or more subblocks; predicting a subblock divided from the current block by using an intra prediction mode corresponding to the subblock; generating a residual block by subtracting the predicted block from the subblock; transforming the residual subblock by using a transform size identical to a size of the subblock; and encoding information on transform coefficients of the transformed residual subblock. | 01-28-2016 |
20160044316 | ENCODING/DECODING APPARATUS AND METHOD USING FLEXIBLE DEBLOCKING FILTERING - A video decoding method performed by a video decoding apparatus includes: generating a quantized frequency transform block by decoding a bitstream; reconstructing a residual block by inversely quantizing and inversely transforming the quantized frequency transform block; generating a prediction block corresponding to a current block; reconstructing the current block by adding the generated prediction block to the reconstructed residual block; and performing a deblocking filtering with respect to a boundary between subblocks within a frame including the reconstructed current block, by allowing numbers of filtered pixels in a first block of the subblocks and a second block of the subblocks that engage in the filtering to be different depending on one or more predetermined criterion. | 02-11-2016 |
20160044331 | METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING USING IMPROVED MERGE - A video encoding apparatus includes an inter predictor to check for whether predetermined candidate adding conditions are satisfied, add into a merge candidate set including merge candidates corresponding to neighboring blocks of a current block, a combined bi-predictive motion parameter, the combined bi-predictive motion parameter generated by combining a list 0 motion parameter of a first available candidate block and a list 1 motion parameter of a second available candidate block, when the predetermined candidate adding conditions are satisfied, and predict the current block by using a motion parameter corresponding to a merge candidate selected from the merge candidate set, to thereby generate a predicted block for the current block. Herein, the merge candidate set corresponds to a maximum number of the merge candidates, the maximum number of the merge candidates corresponding to information on the number of the merge candidates included in a bistream. | 02-11-2016 |
20160065972 | METHOD AND APPARATUS FOR GENERATING ENCODED MOTION INFORMATION /RECOVERING MOTION INFORMATION USING MOTION INFORMATION INTEGRATION, AND IMAGE ENCODING/DECODING METHOD AND APPARATUS USING SAME - An apparatus for decoding a current block includes: a decoding unit to extract a first identification information from a bitstream, and reconstruct a quantized frequency residual block of the current block from the bitstream; a dequantization and inverse transform unit to dequantize and inversely transform the quantized frequency residual block to reconstruct a residual block of the current block; an inter prediction unit to generate the plurality of motion vector candidates of the current block from neighboring blocks of the current blocks, select a motion vector candidate from the plurality of motion vector candidates based on a second identification information, the second identification information being decoded from the bitstream, reconstruct the motion vector of the current block as the selected motion vector candidate, and generate a predicted block of the current block by using the reconstructed motion vector of the current block. | 03-03-2016 |
Byung-Chul Jeon, Seongnam-Si KR
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20090009495 | USB display driver, and small-scale mobile monitor and USB display system having the USB display diriver - Provided is a universal serial bus (USB) display driver including a USB receiving unit that serially receives an image data signal from a host via a USB interface and extracts display data and control data from the image data signal, and a display driver that generates a display data voltage corresponding to the display data based on the control data and applies the display data voltage to a small-scale mobile panel. The USB receiving unit, the display driver and the small-scale mobile panel operate using power delivered via the USB interface, and a panel size of the small-scale mobile panel is less than or equal to a panel size corresponding to a maximum speed of data transmission of the USB interface. | 01-08-2009 |
20130169244 | DIGITAL BUCK-BOOST CONVERSION CIRCUIT AND METHOD OF OPERATING THE SAME - A digital buck-boost conversion circuit includes an analog-to-digital converter configured to convert an output voltage signal into a digital signal, a pulse period control block configured to output a pulse period control signal based on degrees of scattering at different frequencies of the digital signal, a pulse generation block configured to output a pulse based on the pulse period control signal, and a buck-boost converter configured to convert the pulse into the output voltage signal. | 07-04-2013 |
20150180249 | CHARGING CIRCUITS, CHARGING SYSTEMS, AND WIRELESS POWER RECEPTION DEVICES INCLUDING THE SAME - A charging circuit may include a battery unit in which a rechargeable battery is mounted; a charging unit configured to provide a charging current to the rechargeable battery in the battery unit, based on a direct current (DC) voltage converted from an alternating current (AC) voltage, and configured to charge the rechargeable battery; and/or a controller configured to control the charging unit such that the charging unit provides the rechargeable battery with a first charging current following a first current profile in a first charging mode as the charging current at least in a first period of the first charging mode, based on the charging current, a battery voltage of the rechargeable battery, and a temperature of the rechargeable battery, wherein the first current profile is smaller than an available maximum current in the first period. | 06-25-2015 |
Byung Deuk Jeon, Seongnam-Si KR
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20160064049 | SEMICONDUCTOR DEVICES AND SEMICONDUCTOR SYSTEMS INCLUDING THE SAME - A semiconductor device includes a first data input/output unit storing first internal input data in a first cell block in response to a first shift data strobe signal generated by shifting a first data strobe signal in a test mode, a second data input/output unit storing second internal input data in a second cell block in response to a second shift data strobe signal generated by shifting a second data strobe signal in the test mode, and a connector electrically coupling the first data input/output unit to the second data input/output unit in the test mode. | 03-03-2016 |
Byung-Hee Jeon, Seongnam-Si KR
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20080309362 | PROBE ASSEMBLY WITH PROBES FOR ELECTRICAL TESTING - Disclosed is a probe assembly for use in electrical testing of an object, a probe, and a method of making the probe assembly. The probe assembly has a probe supporter body elongated in a first direction and comprising a first side surface, a second side surface, a first facing surface and a second facing surface, wherein the first and second facing surfaces are configured to face a testing object, wherein the first and second facing surfaces are substantially nonparallel to each other. The assembly further has a plurality of first slots formed on the first side surface and the first facing surface and a plurality of second slots formed on the second side surface and the second facing surface. Each slot is configured to receive a portion of a probe. | 12-18-2008 |
20080309363 | PROBE ASSEMBLY WITH WIRE PROBES - Disclosed is a probe assembly for use in electrical testing of a testing object and a method of the probe assembly. The probe assembly has a probe supporter body having a first side surface and a first facing surface and a plurality of wire probes. One of the plurality of wire probes has a first arm generally extending in a first direction, a second arm electrically and physically connected to the first arm and generally extending in a second direction other than the first direction, a first terminal portion formed at a distal end of the first arm and comprising a first tip, and a second terminal portion formed at a distal end of the second arm and comprising a second tip. The assembly further has a securing film placed over a portion of the second arm and keeping the portion of the second arm from moving. | 12-18-2008 |
20100225990 | MICRO THIN-FILM STRUCTURE, MEMS SWITCH EMPLOYING SUCH A MICRO THIN-FILM, AND METHOD OF FABRICATING THEM - A micro thin-film structure, a micro electro-mechanical system (MEMS) switch, and methods of fabricating them. The micro thin-film structure includes at least two thin-films having different properties and laminated in sequence to form an upper layer and a lower layer, wherein an interface between the upper and lower layers is formed to be oriented to at least two directions. The micro thin film structure, and method of forming, may be applied to a movable electrode of an MEMS switch. The thin-film structure may be formed by forming through-holes in the lower layer, and depositing the upper layer in the form of being engaged in the through-holes. Alternatively, the thin-film structure may be made by forming prominence and depression parts on the top side of the lower layer and then depositing the upper layer on the top side of the lower layer having the prominence and depression parts. | 09-09-2010 |
20100225991 | MICRO THIN-FILM STRUCTURE, MEMS SWITCH EMPLOYING SUCH A MICRO THIN-FILM, AND METHOD OF FABRICATING THEM - A micro thin-film structure, a micro electro-mechanical system (MEMS) switch, and methods of fabricating them. The micro thin-film structure includes at least two thin-films having different properties and laminated in sequence to form an upper layer and a lower layer, wherein an interface between the upper and lower layers is formed to be oriented to at least two directions. The micro thin film structure, and method of forming, may be applied to a movable electrode of an MEMS switch. The thin-film structure may be formed by forming through-holes in the lower layer, and depositing the upper layer in the form of being engaged in the through-holes. Alternatively, the thin-film structure may be made by forming prominence and depression parts on the top side of the lower layer and then depositing the upper layer on the top side of the lower layer having the prominence and depression parts. | 09-09-2010 |
20130071304 | MICROFLUIDIC DEVICE - A micro-fluidic device includes a filter cabinet, a first filtering unit and a second filtering unit. The filter cabinet includes a first path and a second path branched from the first path. The first path and the second path are formed within the filter cabinet so that a sample containing different kinds of targets can flow through the first path and the second path. The first filtering unit is installed in an upstream portion of the first path to filter the different kinds of targets from the sample, the first filtering unit configured to guide the different kinds of targets toward the second path. The second filtering unit is installed in the second path to receive the different kinds of targets from the first filtering unit and to filter the different kinds of targets on a size-by-size basis. | 03-21-2013 |
20130074613 | MICROFLUIDIC DEVICE AND METHOD FOR ISOLATING TARGET USING SAME - A micro-fluidic device includes a filter case, a first capture array and a second capture array. The filter case includes an inlet for introducing a sample containing different kinds of targets, an outlet for discharging the sample and a channel extending between the inlet and the outlet. The first capture array is arranged in an upstream portion of the channel, the first capture array including a plurality of first forward funnels arranged along a direction orthogonal to a flow direction of the sample so as to capture the different kinds of targets. The second capture array is arranged in a downstream portion of the channel, the second capture array including a plurality of second forward funnels arranged along the direction orthogonal to the flow direction of the sample so as to capture the different kinds of targets. | 03-28-2013 |
20130264272 | CELL COLLECTING DEVICE - A cell collecting device is configured to collect target cells from a fluid sample such as blood or physiological fluid. The cell collecting device includes a conduit through which a fluid sample containing target cells passes. The cell collecting device further includes a screen filter installed inside the conduit and configured to guide the target cells toward a specified region. The screen filter includes a plurality of filtering holes for filtering the target cells. | 10-10-2013 |
20130288360 | CELL COLLECTING DEVICE - A cell collecting device is configured to collect target cells from a fluid sample such as blood or physiological fluid. The cell collecting device includes a first filter having a plurality of first pores formed into a size that enables target cells contained in a fluid sample to pass through the first pores, and a second filter having a plurality of second pores formed into a size that enables the target cells contained to pass through the second pores. The second filter is arranged below the first filter in such a position as to filter the target cells. | 10-31-2013 |
Chang-Seong Jeon, Seongnam-Si KR
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20150155259 | SUBSTRATE OF SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING SEMICONDUCTOR PACKAGE USING THE SAME - A substrate of a semiconductor package includes a first wiring substrate having a first surface and a second surface facing each other, the first surface having a semiconductor chip mounted thereon, a first support carrier, and an adhesive film connecting the second surface and the first support carrier. | 06-04-2015 |
Chan-Uk Jeon, Seongnam-Si KR
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20110023914 | METHOD AND APPARATUS FOR CLEANING PHOTOMASK - Provided is a method and apparatus for cleaning a photomask. The photomask including a first region and a second region surrounding the first region, a pattern to be protected disposed on the first region, and a material to be removed exists on the second region. A cleaning liquid is sprayed from an inside region of the second region toward an outer region of the second region to remove the material, and a gas is blown from the first region toward the second region to protect the pattern. | 02-03-2011 |
20110063601 | PELLICLE FRAME, PELLICLE, LITHOGRAPHY APPARATUS, AND METHOD OF FABRICATING THE PELLICLE FRAME - A pellicle frame, including aluminum, aluminum oxide, and a transition metal. | 03-17-2011 |
20110297182 | METHOD OF MEGASONIC CLEANING OF AN OBJECT - A megasonic cleaning method and a megasonic cleaning apparatus are provided. Microcavitation bubbles may be formed by applying an electromotive force to a cleaning solution using a megasonic energy in a separate room from an object to be cleaned. The microcavitation bubbles having a stable oscillation among the formed microcavitation bubbles may be moved to the object to be cleaned. A surface of the object to be cleaned may be cleaned using the microcavitation bubbles having the stable oscillation. Particles attached onto the surface of the object to be cleaned may be effectively removed while preventing pattern damage. | 12-08-2011 |
20120148944 | PHOTOMASKS AND METHODS OF MANUFACTURING THE SAME - In a method of manufacturing a photomask pattern, a light-shielding layer pattern and an anti-reflective layer pattern are formed sequentially on a transparent substrate. Oxidation and nitridation processes are performed on a sidewall of the light-shielding layer pattern to form a protection layer pattern on a lateral portion of the light-shielding layer pattern. | 06-14-2012 |
20120159405 | METHOD OF FORMING PHOTOMASK USING CALIBRATION PATTERN, AND PHOTOMASK HAVING CALIBRATION PATTERN - A method of forming a photomask using a calibration pattern that may exactly transfer a desired pattern to a substrate. The method includes providing one-dimensional calibration design patterns each having first design measures and providing two-dimensional calibration design patterns each having second design measures; obtaining one-dimensional calibration measured patterns using the one-dimensional calibration design patterns and obtaining two-dimensional calibration measured patterns using the two-dimensional calibration design patterns; obtaining first measured measures of the one-dimensional calibration measured patterns and obtaining second measured measures of the two-dimensional calibration measured patterns; establishing a correlation between the first measured measures and the second measured measures; and converting a main measured measure of a main pattern into a corresponding one of the first measured measures using the correlation. | 06-21-2012 |
20130008476 | METHOD OF MEGASONIC CLEANING OF AN OBJECT - A megasonic cleaning method and a megasonic cleaning apparatus are provided. Microcavitation bubbles may be formed by applying an electromotive force to a cleaning solution using a megasonic energy in a separate room from an object to be cleaned. The microcavitation bubbles having a stable oscillation among the formed microcavitation bubbles may be moved to the object to be cleaned. A surface of the object to be cleaned may be cleaned using the microcavitation bubbles having the stable oscillation. Particles attached onto the surface of the object to be cleaned may be effectively removed while preventing pattern damage. | 01-10-2013 |
20130186436 | APPARATUS FOR CLEANING PHOTOMASK - Provided is a method and apparatus for cleaning a photomask. The photomask including a first region and a second region surrounding the first region, a pattern to be protected disposed on the first region, and a material to be removed exists on the second region. A cleaning liquid is sprayed from an inside region of the second region toward an outer region of the second region to remove the material, and a gas is blown from the first region toward the second region to protect the pattern. | 07-25-2013 |
20130202993 | METHOD OF FABRICATING THE PELLICLE FRAME - A pellicle frame, including aluminum, aluminum oxide, and a transition metal. | 08-08-2013 |
Dong Hyun Jeon, Seongnam-Si KR
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20100092346 | PHOTOCATALYST DEVICE USING POROUS PIPE AND AIR PURIFICATION APPARATUS USING THE SAME - The present invention relates to an air purification apparatus designed to sterilize contaminated air, eliminate bad smells and decompose harmful substances, and more particularly, to a photocatalyst device using a porous pipe, which can improve photocatalyst reactions with ultraviolet light, and an air purification apparatus using the photocatalyst device. The photocatalyst device of the present invention comprises a porous pipe having a plurality of holes bored therethrough, the porous pipe being capable of receiving an ultraviolet lamp therein; and a photocatalyst pouch consisting of a glass fiber coated with a photocatalyst, the photocatalyst pouch configured to surround the porous pipe. | 04-15-2010 |
Eunjoo Jeon, Seongnam-Si KR
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20150347389 | METHOD, SYSTEM AND RECORDING MEDIUM FOR PROVIDING DICTIONARY FUNCTION AND FILE DISTRIBUTION SYSTEM - A method of providing a dictionary service may include configuring a first area of a display to receive a keyword as an input thereto and a second area of the display to display a dictionary search result of the keyword when the user terminal is operating in a dictionary mode; switching from the dictionary mode to a translation mode in response to the keyword input into the first area being greater than or equal to a threshold length; and setting the extended keyword as a source text to translate and display in a third area of the display. | 12-03-2015 |
Ha-Jun Jeon, Seongnam-Si KR
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20100166039 | APPARATUS AND METHOD FOR GENERATING SMALL-SIZE SPREAD SPECTRUM CLOCK SIGNAL - An apparatus and method for generating a small-size spread spectrum clock signal that can include generating a reference clock signal by dividing an external clock signal, detecting frequency and phase differences between a reference clock signal and a comparison clock signal as error signals, modulating a controlled voltage corresponding to the current in accordance with a modulation control signal, outputting an oscillation clock signal having a frequency oscillated according to the modulated controlled voltage as a spectrum-spread version of the external clock signal, and generating the comparison clock signal by dividing the oscillation clock signal, and then compensating for the modulation of the controlled voltage in accordance with a demodulation magnitude that is generated for use in compensating for the modulation magnitude. | 07-01-2010 |
Han Kyung Jeon, Seongnam-Si KR
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20120065884 | METHOD AND SYSTEM FOR PROVIDING SOCIAL NETWORK SERVICE WITH MOBILE TERMINAL - A method and system for providing mobile terminal users with a social network service using a mobile terminal are provided. The method includes transmitting an event generated by the service proposer from the service proposer to the service provider, registering the event with the service provider, transmitting the registered event from the service provider to the service user, transmitting personal information input by the service user who is performing the event from the service user to the service provider, and updating, at the service provider, a personal information database with the personal information received from the service user. | 03-15-2012 |
20120274652 | METHOD FOR DISPLAYING MARKER IN A MAP SERVICE - A method for displaying a marker in a map service is provided. In the method, a plurality of markers each representing information are displayed differentially in a propagation range set according to importance of a user in the map service, and when the plurality of markers are displayed overlapped, only a marker representing information of highest importance is displayed. | 11-01-2012 |
20130054772 | METHOD AND APPARATUS FOR CONTENT MANAGEMENT USING NETWORK SERVER - A method and apparatus for content management using a network server are provided. The method for content management includes producing a basis data package, producing a modified data package, and producing a data package list. The method and apparatus set a sharing scheme adequate for the purpose of specific content and to manage content modification activities. | 02-28-2013 |
20130205304 | APPARATUS AND METHOD FOR PERFORMING MULTI-TASKING IN PORTABLE TERMINAL - A multi-tasking execution apparatus and a method for easily controlling applications running in a portable terminal are provided. The apparatus includes a display and a controller. The display displays an application-containing image in which at least one specific image representing at least one application running in a background is contained and arranged. The controller operatively displays at least one specific image representing at least one application running in the background, so as to be contained in the application-containing image, and controls the at least one application running in the background by controlling the specific image based on a specific gesture. | 08-08-2013 |
20150067568 | APPARATUS AND METHOD FOR DISPLAYING CHART IN ELECTRONIC DEVICE - An apparatus and a method for displaying a chart in a mobile electronic device are provided. The apparatus includes a display unit configured to receive an input of an object associated with a chart, and a controller configured to control display of at least one chart component based on characteristics of the object. | 03-05-2015 |
20150161167 | METHOD FOR DISPLAYING MARKER IN A MAP SERVICE - A method for displaying a marker in a map service is provided. In the method, a plurality of markers each representing information are displayed differentially in a propagation range set according to importance of a user in the map service, and when the plurality of markers are displayed overlapped, only a marker representing information of greatest importance is displayed. | 06-11-2015 |
20160041734 | APPARATUS AND METHOD FOR PERFORMING MULTI-TASKING IN PORTABLE TERMINAL - A multi-tasking execution apparatus and a method for easily controlling applications running in a portable terminal are provided. The apparatus includes a display and a controller. The display displays an application-containing image in which at least one specific image representing at least one application running in a background is contained and arranged. The controller operatively displays at least one specific image representing at least one application running in the background, so as to be contained in the application-containing image, and controls the at least one application running in the background by controlling the specific image based on a specific gesture. | 02-11-2016 |
Heekyoung Jeon, Seongnam-Si KR
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20150018543 | ANTI-INFECTIVE COMPOUNDS - The present invention relates to 4H-pyrido[1,2-a]pyrimidin-4-one compounds and their use in the treatment of bacterial infections, in particular Tuberculosis. | 01-15-2015 |
Hee Sang Jeon, Seongnam-Si KR
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20140203207 | ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY AND METHOD OF MANUFACTURING THE SAME - An anode active material for a lithium secondary battery having high-capacity and high-efficient charging/discharging characteristics. The anode active material includes silicon single phases, and silicon-metal alloy phases distributed around the silicon single phases. The silicon single phases have a fine structure in which crystalline particles obtained through rapid-cooling solidification are thermally treated to be grown to crystal grains. | 07-24-2014 |
Hee-Seog Jeon, Seongnam-Si KR
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20090011589 | METHOD OF MANUFACTURING SPLIT GATE TYPE NONVOLATILE MEMORY DEVICE - A method of manufacturing a split gate type nonvolatile semiconductor memory device in which control gates are formed by a self aligning process. | 01-08-2009 |
Hosang Jeon, Seongnam-Si KR
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20130226467 | SYSTEM AND METHOD FOR PROCESSING REFERENCE SEQUENCE FOR ANALYZING GENOME SEQUENCE - Provided are systems and methods for processing a reference sequence. Exemplary systems for processing a reference sequence may include a seed extractor configured to extract a seed from a reference sequence; a determiner configured to determine whether an unidentified base is present or absent in a seed extracted by the seed extractor; and an index generator configured to add a seed to an index when unidentified bases are absent from an extracted seed. | 08-29-2013 |
Hyesung Jeon, Seongnam-Si KR
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20100316989 | METHOD FOR SCREENING AN INHIBITORY AGENT OF HBV PROLIFERATION BY USING THE INTERACTION BETWEEN HBV CAPSID AND SURFACE PROTEINS BASED ON CELLULAR IMAGING - The present invention relates to a method for screening an inhibitory agent of HBV proliferation by measuring the interaction (binding strength) between capsid protein and surface protein, necessary for the proliferation of HBV, by using cellular imaging, more precisely a method for measuring changes on cellular imaging caused by the interaction between a fusion protein containing PreS domain of HBV surface protein and PH (Pleckstrin homology) domain sequence and a fusion protein containing capsid protein and fluorescence protein (GFP) interacting with the said fusion protein. The method of the present invention detecting the interaction between proteins necessary for HBV proliferation at cellular level can be effectively used for the screening of a novel inhibitory agent of HBV proliferation at cellular level. | 12-16-2010 |
Hyung Joon Jeon, Seongnam-Si KR
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20090232080 | FREQUENCY REUSING METHOD IN WIRELESS COMMUNICATION SYSTEM AND RADIO ACCESS STATION SYSTEM FOR THE SAME - The present invention relates to a wireless communication system, and more particularly, to a frequency reusing method for efficiently transmitting traffics in a radio access station system. A frequency reusing method in a wireless communication system including a coverage region, which has first, second and third regions comprises (a) transmitting traffics by assigning a total frequency band, which includes different three sub-frequency bands, to the first, second and third regions during a first interval; and (b) transmitting the traffics by respectively assigning the different three sub-frequency bands to the first, second and third regions during a second interval. | 09-17-2009 |
20100241919 | METHOD AND APPARATUS FOR ARQ FEEDBACK IN WIRELESS COMMUNICATION SYSTEM - A method and apparatus for Automatic Repeat reQuest (ARQ) feedback in a wireless communication system. The ARQ feedback method includes checking whether feedback transmission on received ARQ blocks with a Cumulative ACK type is possible, and performing ARQ feedback transmission with the Cumulative ACK type when the feedback transmission with the Cumulative ACK type is possible; calculating the number of blocks to be transmitted feedback with a Cumulative ACK with Block Sequence ACK type and the number of blocks to be transmitted feedback with a Cumulative with Selective ACK type, when the feedback transmission with the Cumulative ACK type is not possible; selecting a feedback type by comparing the number of blocks to be transmitted between the Cumulative ACK with Block with Block Sequence ACK type and the Cumulative with Selective ACK type; and performing ARQ feedback with the selected feedback type. | 09-23-2010 |
20110002286 | METHOD AND APPARATUS FOR ALLOCATING DATA BURST - A method and apparatus for allocating a data burst is disclosed, which is capable of differently setting a start symbol offset, at which an allocation of data burst is started, by each sector when allocating the data burst into a downlink sub-frame for each of neighboring sectors, wherein the method is comprised of dividing a data region of a downlink sub-frame for each of neighboring sectors into a plurality of segment regions, and allocating each of the segment regions into the respective sectors without being overlapped; and allocating downlink data bursts for the respective sectors, wherein the allocation of downlink data bursts is sequentially started from the segment region allocated for each sector. | 01-06-2011 |
20110164507 | RADIO COMMUNICATION SYSTEM FOR SUPPORTING HYBRID AUTOMATIC REPEAT REQUEST (HARQ) AND DATA TRANSMISSION METHOD - Disclosed is a radio communication system and a data transmission method, which facilitates to improve reliability and efficiency of the communication system by the use of HARQ (Hybrid Automatic Repeat Request), wherein the data transmission method using an HARQ method comprises determining a service class in a service flow of a data packet to be transmitted; setting a target PER according to the service class; and determining whether or not the data packet is re-transmitted based on the target PER. | 07-07-2011 |
20140220995 | UPLINK INTERFERENCE MITIGATION METHOD AND APPARATUS - Disclosed is a method and apparatus for mitigating uplink interference in the wireless communication system, wherein the method comprises determining a loading-status value for each sector; if the loading-status value is not greater than the first threshold value, generating UL zone switch IE and UL allocation start IE to allocate data bursts of the sectors to different subchannels; and preparing an uplink map using the UL zone switch IE and UL allocation start IE for each sector, wherein the uplink duration indicates a duration where all the subchannels are used for allocation of the data burst. | 08-07-2014 |
In-Gyun Jeon, Seongnam-Si KR
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20100264504 | IMAGE SENSOR HAVING WAVE GUIDE AND METHOD FOR MANUFACTURING THE SAME - An image sensor having a wave guide includes a semiconductor substrate formed with a photodiode and a peripheral circuit region; an anti-reflective layer formed on the semiconductor substrate; an insulation layer formed on the anti-reflective layer; a wiring layer formed on the insulation layer and connected to the semiconductor substrate; at least one interlayer dielectric stacked on the wiring layer; and a wave guide connected to the insulation layer by passing through the interlayer dielectric and the wiring layer which are formed over the photodiode. | 10-21-2010 |
20110156113 | BACK SIDE ILLUMINATION IMAGE SENSOR REDUCED IN SIZE AND METHOD FOR MANUFACTURING THE SAME - A back side illumination image sensor reduced in chip size has a capacitor disposed in a vertical upper portion of a pixel region in the back side illumination image sensor in which light is illuminated from a back side of a subscriber, thereby reducing a chip size, and a method for manufacturing the back side illumination image sensor. The capacitor of the back side illumination image sensor reduced in chip size is formed in the vertical upper portion of the pixel region, not in the outside of a pixel region, so that the outside area of the pixel region for forming the capacitor is not required, thereby reducing a chip size. | 06-30-2011 |
20110207258 | METHOD FOR FORMING PAD IN WAFER WITH THREE-DIMENSIONAL STACKING STRUCTURE - A method for forming a pad in a wafer with a three-dimensional stacking structure includes: (a) a first process of bonding a device wafer and a handling wafer; (b) a second process of thinning a back side of an Si substrate which is formed on the device wafer, after the first process; (c) a third process of forming an anti-reflective layer and a PMD (preferential metal deposition) dielectric layer, after the second process; (d) a fourth process of forming vias on back sides of super contacts which are formed on the Si substrate, after the third process; and (e) a fifth process of forming a pad, after the fourth process. | 08-25-2011 |
20120295389 | IMAGE SENSOR HAVING WAVE GUIDE AND METHOD FOR MANUFACTURING THE SAME - An image sensor having a wave guide includes a semiconductor substrate formed with a photodiode and a peripheral circuit region; an anti-reflective layer formed on the semiconductor substrate; an insulation layer formed on the anti-reflective layer; a wiring layer formed on the insulation layer and connected to the semiconductor substrate; at least one interlayer dielectric stacked on the wiring layer; and a wave guide connected to the insulation layer by passing through the interlayer dielectric and the wiring layer which are formed over the photodiode. | 11-22-2012 |
20120301996 | BACK SIDE ILLUMINATION IMAGE SENSOR REDUCED IN SIZE AND METHOD FOR MANUFACTURING THE SAME - A back side illumination image sensor reduced in chip size has a capacitor disposed in a vertical upper portion of a pixel region in the back side illumination image sensor in which light is illuminated from a back side of a subscriber, thereby reducing a chip size, and a method for manufacturing the back side illumination image sensor. The capacitor of the back side illumination image sensor reduced in chip size is formed in the vertical upper portion of the pixel region, not in the outside of a pixel region, so that the outside area of the pixel region for forming the capacitor is not required, thereby reducing a chip size. | 11-29-2012 |
20130189828 | METHOD FOR FORMING PAD IN WAFER WITH THREE-DIMENSIONAL STACKING STRUCTURE - A method for forming a pad in a wafer with a three-dimensional stacking structure includes: (a) a first process of bonding a device wafer and a handling wafer; (b) a second process of thinning a back side of an Si substrate which is formed on the device wafer, after the first process; (c) a third process of forming an anti-reflective layer and a PMD (preferential metal deposition) dielectric layer, after the second process; (d) a fourth process of forming vias on back sides of super contacts which are formed on the Si substrate, after the third process; and (e) a fifth process of forming a pad, after the fourth process. | 07-25-2013 |
20140138847 | METHOD FOR ELECTRICALLY CONNECTING WAFERS USING BUTTING CONTACT STRUCTURE AND SEMICONDUCTOR DEVICE FABRICATED THROUGH THE SAME - The present invention relates to a method for electrically connecting wafers, which physically bonds two wafers through an oxide-to-oxide bonding method and then electrically connects the two wafers through a butting contact structure. The wafers are physically bonded to each other through a relatively simple method, and then electrically connected to through TSVs or butting contact holes. Therefore, since the fabrication process may be simplified, a process error may be reduced, and the product yield may be improved. | 05-22-2014 |
20160047749 | BIOCHIP INCLUDING SIDE EMITTING-TYPE LIGHT-EMITTING DEVICE AND FABRICATION METHOD THEREOF - The present disclosure a biochip including a side emitting-type light-emitting device, in which the bio-chip includes: a light-emitting device for emitting light from a fluorescent material; reflective layers provided over and under the light-emitting device so as to emit light from the sides of the light-emitting device; and reaction regions formed by etching of flanking regions of the light-emitting device. In the biochip, light emitted from the sides of the light-emitting device causes a biochemical reaction in the reaction regions. According to the present disclosure, light emitted from the light-emitting device moves only laterally without being transferred to the top or bottom of the bio-layer, and is transferred to the reaction regions formed by etching of flanking regions of the light-emitting device, so that a biochemical reaction in the reaction regions can be more efficiently performed. | 02-18-2016 |
In Hwan Jeon, Seongnam-Si KR
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20140238166 | ELECTRIC POWER STEERING APPARATUS OF BALL SCREW TYPE - A rack-driven auxiliary power steering apparatus prevents a ball nut and a nut pulley from idling due to a slip thereof and increases durability when the drive belt is operated by driving of a motor, and minimizes vibrations and noise transferred through the rack bar, the ball nut, and the nut pulley when the rack bar is slid while the nut pulley and the ball nut are rotating, thereby providing a comfortable steering feeling to the driver. | 08-28-2014 |
Jaeho Jeon, Seongnam-Si KR
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20160112902 | APPARATUS AND METHOD FOR BALANCING TRAFFIC LOAD USING INTER-SITE CARRIER AGGREGATION - A method for selecting a serving cell by a user equipment (UE) to which the inter-site carrier aggregation (CA) technology is according to the intensity of a reception signal of each carrier wave is provided. However, in order to improve resource usage and a throughput of the entire cells, a method is performed in which a PCell and an SCell are selected considering the intensity of a reception signal and a load between cells, the SCell is activated, and loads of the PCell and the SCell are adjusted. The method can balance an inter-cell traffic load, and eventually, increase usage of the entirety of a network and improve a throughput. | 04-21-2016 |
Jae-Hong Jeon, Seongnam-Si KR
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20080210943 | THIN FILM TRANSISTOR ARRAY PANEL AND MANUFACTURING METHOD THEREOF - A thin film transistor array panel is provided, which includes: a substrate; a first signal line formed on the substrate; a second signal line formed on the substrate and intersecting the first signal line; a thin film transistor including a gate electrode connected to the first signal line and having an edge substantially parallel to the first signal line, a source electrode connected to the second signal line, and a drain electrode overlapping the edge of the gate electrode; and a pixel electrode connected to the drain electrode. | 09-04-2008 |
20080284961 | LIQUID CRYSTAL DISPLAY AND A METHOD FOR MANUFACTURING THE SAME - A liquid crystal display includes opening patterns in the electrodes or protrusions on the electrodes. The opening patterns or the protrusions have a pattern which controls the direction of the liquid crystal molecules. Thus the quality of the LCD can be improved. | 11-20-2008 |
20090096977 | LIQUID CRYSTAL DISPLAY - A liquid crystal display is provided, which includes: a first substrate; a first signal line formed on the first substrate; a second signal line formed on the first substrate and intersecting the first signal line; a thin film transistor connected to the first and the second signal lines; a pixel electrode connected to the thin film transistor; a second substrate; a common electrode formed on the second substrate; a liquid crystal layer interposed between the first substrate and the second substrate; and a tilt direction determining member formed on one of the first and the second substrates and having a notch that divides the domain determination member into a plurality of portions. | 04-16-2009 |
20110187978 | LIQUID CRYSTAL DISPLAY AND METHOD FOR MANUFACTURING THE SAME - A liquid crystal display includes opening patterns in the electrodes or protrusions on the electrodes. The opening patterns or the protrusions have a pattern which controls the direction of the liquid crystal molecules. Thus the quality of the LCD can be improved. | 08-04-2011 |
Jaewoo Jeon, Seongnam-Si KR
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20110295478 | METHOD OF CONTROLLING ELECTRIC PARKING BRAKE - A method of controlling an electric parking brake of a vehicle includes calculating a desired braking force based on the vehicle condition at an instruction of applying a braking force, and starting a braking motor of the electric parking brake. The method further includes determining whether a braking force is increasing by measuring current applied to the braking motor, calculating a braking correction value based on the measured current when determined that a braking force is not increasing, calculating a load torque based on the braking correction value and the measured current when determined that a braking force is increasing, and stopping the braking motor when the load torque is greater than the desired braking force. | 12-01-2011 |
Jae Woo Jeon, Seongnam-Si KR
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20150217746 | APPARATUS AND METHOD FOR WARNING AGAINST LACK OF STROKE FOR ELECTRONIC PARKING BRAKE - An apparatus for warning against lack of stroke in an electronic parking brake may include: a tension sensor for sensing the tension of a cable which is provided in an actuator so as to transmit power; a motor for providing power to the actuator; and a controller for controlling whether to operate the motor based on the sensed tension of the cable and a preset target tension, and calculating an operating stroke of the actuator based on an operating time of the motor. The controller may issue a stroke lack warning based on the operating stroke and a preset critical stroke. | 08-06-2015 |
20160090069 | CONTROL METHOD AND APPARATUS OF ELECTRONIC PARKING BRAKE - A control method and apparatus of an electronic parking brake is disclosed. In an embodiment, a control method of an electronic parking brake comprises, determining by a control part whether a braking power transfer generation condition is satisfied, the braking power transfer generation condition being a condition that a braking power by a main brake is transferred to a braking power by a parking brake; determining whether a braking power transfer to the braking power by the parking brake is generated if the braking power transfer generation condition is satisfied; counting a lapsed time after the braking power transfer is generated if it is determined that the braking power transfer is generated; and generating an additional braking power to the parking brake according to the counted lapsed time. | 03-31-2016 |
Jeong-Yul Jeon, Seongnam-Si KR
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20130194569 | SUBSTRATE INSPECTION METHOD - A substrate inspection apparatus for inspecting a substrate, on which a measurement object is formed, is shown. The substrate inspection method includes measuring a substrate, on which a measurement object is formed, generating a plane equation of the substrate, and acquiring a region of the measurement object formed on the substrate. After, by considering a height of measurement object a region of the measurement object is converted into a substrate plane by plane equation,. Then, the measurement object is inspected based on a region of the measurement object converted into a substrate plane by plane equation and a region of the measurement object by reference data. Therefore, an offset value of a measurement object is acquired according to a tilted pose of the substrate, and a distortion of measurement data is compensated by using the offset value, to improve a measurement credibility of a measurement object. | 08-01-2013 |
20130222579 | MEASUREMENT APPARATUS AND CORRECTION METHOD OF THE SAME - A measurement apparatus for measuring a substrate, on which a measurement object is formed, and a correction method of the same is shown. The correction method includes measuring a reference phase by measuring a phase of a substrate for measuring the reference phase by using an image-capture part, acquiring a tilted pose of a reference plane of the measured reference phase to an image plane of the image-capture part, and calculating a height that is required to correct the reference plane with regard to the image-capture part based on the tilted pose. Therefore, based on a tilted pose of a reference phase in order to correct a reference plane being a reference of measuring a height, a measurement credibility of the measurement object may be improved. | 08-29-2013 |
Jin-Woo Jeon, Seongnam-Si KR
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20090077591 | METHOD AND SYSTEM FOR PROVIDING GREENWICH MEAN TIME IN MOBILE BROADCASTING SERVICE - An apparatus and method for providing mobile broadcasting services through a communication network and a broadcast network, wherein a mobile terminal receives and stores Greenwich Mean Time (GMT) access address through an Electronic Service Guide (ESG) bootstrap File deLivery over Unidirectional Transport (FLUTE) session. The GMT access address is included in the ESG bootstrap FLUTE session when transmitted. The mobile terminal requests the GMT from the communication network using the GMT access address, receives the GMT from the communication network, and stores and sets the GMT. | 03-19-2009 |
20090083794 | METHOD AND DIGITAL BROADCASTING SYSTEM FOR TRANSMITTING AND RECEIVING ESG - Disclosed is a method and a digital broadcasting system for transmitting and receiving an Electronic Service Guide (ESG). When there are ESG fragments to be transmitted through a communication network among ESG fragments included in ESG data, a digital broadcast transmitter generates an ESG data session such that the ESG data session may include route information through the communication network of the relevant ESG fragments. Then, the digital broadcast transmitter transmits the generated ESG data session to a broadcast receiving terminal, which obtains the route information through the communication network of the relevant ESG fragments. Accordingly, a user can more easily and conveniently receive the ESG data by using the route information through the communication network obtained by the broadcast receiving terminal. | 03-26-2009 |
20090100472 | METHOD AND SYSTEM FOR TRANSMITTING PLURAL DATA IN PORTABLE BROADCASTING SERVICE - A method and system for transmitting a plurality of ESG data to an MS over a communication network in a DVB-H CBMS portable broadcasting service are provided. The MS requests ESG data over the communication network, a server collects the requested ESG data and transmits at least one of the collected ESG data in an ESG data group file to the MS over the communication network. The MS receives the ESG data group file and stores the ESG data included in the ESG data group file. | 04-16-2009 |
20100177156 | Method and apparatus for sharing mobile broadcast service - Two different communication terminals share a broadcast content received through a mobile broadcast service. If a mobile broadcast-sharing mode for sharing a broadcast content with a specific communication terminal is set, a mobile broadcast terminal extracts broadcast video data and broadcast audio data from a mobile broadcast signal being received. The mobile broadcast terminal converts a codec of the broadcast video data and the broadcast audio data into a codec used in video communication, and delivers at least one of the converted broadcast video data and the converted broadcast audio data through video communication formed to the communication terminal. | 07-15-2010 |
20100180309 | METHOD AND SYSTEM FOR PROVIDING A UNICAST SERVICE IN A MOBILE DIGITAL BROADCASTING SERVICE - A system and method for providing a unicast service in a mobile digital broadcasting service. The method includes setting a delivery scheme and an information request scheme, which are supportable by each channel, in a specified region of an electronic service guide (ESG) data session, and receiving, by a terminal, a first data session of the ESG, and identifying information on the delivery scheme and the information request scheme, which are supportable by each channel and are set in the specified region. | 07-15-2010 |
Jong-Gu Jeon, Seongnam-Si KR
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20140180968 | METHOD AND APPARATUS FOR MANAGING ENERGY CONSUMPTION IN A HOME NETWORK SYSTEM - Provided is a method and apparatus for managing energy consumption in a home network system including multiple home devices. The method includes collecting measurement results of power consumptions of the respective multiple home devices, generating power consumption information of the multiple home devices by analyzing the collected measurement results, and transmitting the generated power consumption information to a user device if receiving a request for transmitting the power consumption information from the user device, in which the power consumption information comprises in-home room-specific power consumption information. | 06-26-2014 |
Jong Su Jeon, Seongnam-Si KR
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20120043873 | Refrigerator - A refrigerator including left and right doors of rotating opening/closing type and a sliding door between the left and right doors. The left and right rotating opening/closing doors have an improved slim edge structure such that a door thickness is hidden. The sliding door includes door guards to accommodate food. | 02-23-2012 |
20140375188 | DOOR HINGE APPARATUS AND DRUM TYPE WASHING MACHINE HAVING THE SAME - A door hinge apparatus having a coupling structure between a door and a cabinet, and a drum-type washing machine having the same. The drum type washing machine includes an inlet formed through the cabinet to allow laundry to be inserted or withdrawn therethrough, a door coupled to the cabinet to open and close the inlet, and a hinge between the door and the cabinet. The hinge includes a cabinet bracket coupled to a front surface of the cabinet, a door bracket coupled to the door, a first moving unit coupled to the door bracket to allow the door to be pivoted with respect to the cabinet, and a second moving unit coupled to the cabinet bracket to allow the door to protrude forward from the cabinet and be substantially parallel and spaced from the cabinet. The door opens the inlet by moving forward by a predetermined distance or more from the cabinet and then pivoting, so that moisture in the drum is removed to some extent before the inlet is opened and the door can open without friction between the door and the cabinet. | 12-25-2014 |
20150123521 | WASHING MACHINE - A washing machine includes a cabinet having an opening, a door to open and close the opening, and a locking unit to selectively restrict an operation of the door when the door is closed. A position of the door is adjusted through this configuration to stably close the opening and to prevent the door from being undesirably opened, and thus it is possible to improve washing efficiency. Further, a front structure of the opening may be improved, and thus laundry may be easily put in or taken out. | 05-07-2015 |
20150252512 | WASHING MACHINE AND METHOD OF MANUFACTURING WASHING TUB BEING PROVIDED THEREIN - A washing machine may include a washing tub that is capable of improving washing effect. The washing machine includes: a casing; a washing tub installed in the casing; a plurality of concave sides formed to be recessed into an inner side surface of the washing tub; and a plurality of protrusions that protrude in an inward direction of the washing tub and include a plurality of first protrusions formed on the plurality of concave sides. A frictional force with laundry is generated using a washing tub including the plurality of protrusions and the plurality of concave sides so that a washing force can be enhanced and a flow of washing water can be guided. | 09-10-2015 |
Joseph Jeon, Seongnam-Si KR
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20110207492 | METHOD AND APPARATUS FOR SELECTING FREQUENCY ALLOCATION IN WIRELESS COMMUNICATION SYSTEM - A method and an apparatus select optimized Frequency Allocation (FA) in a mobile communication system that includes mobile base stations. A first control information is received from neighbor base stations. System capacities of the respective neighbor base stations are determined based on the first control information. The FA that maximizes a sum of the system capabilities of the respective neighbor base stations is selected. Therefore, the method has an advantage of securing maximum capacity by adaptively setting FA with consideration of radio environments of neighbor base stations during network entry of a new mobile base station or during an operation of a mobile base station. | 08-25-2011 |
20110218005 | APPARATUS AND METHOD FOR TRANSMISSION POWER CONTROL AND DYNAMIC FREQUENCY SELECTION DURING MOVEMENT OF BASE STATION - An apparatus and method perform Transmit Power Control and Dynamic Frequency Selection (TPC/DFS) during a movement of a Base Station (BS). A network environment around the mobile BS is modeled. Based on the modeling result, a TPC/DFS operation scheme that is most suitable to the mobile BS is selected. | 09-08-2011 |
20110218013 | APPARATUS AND METHOD FOR POWER CONTROL OF MOBILE BASE STATION OF VARIABLE BACKBONE CAPACITY - An apparatus and method for power control of a mobile BS of variable backbone capacity. The method includes determining a link state and capacity of a backbone of the BS, and determining a link state and service capacity between the BS and a mobile communication terminal. The method also includes, if the capacity of the backbone is less than the service capacity, setting the backbone capacity similar to the service capacity by lowering a transmit power of the BS by a predefined value. | 09-08-2011 |
20120120806 | APPARATUS AND METHOD FOR LOAD BALANCING IN MULTI-CELL WIRELESS ACCESS SYSTEM - An apparatus and method provide load balancing in a multi-cell wireless access system. The method includes determining a change value of a TX power, determining a handover candidate set including at least one MS to be handed over, calculating expected gains after TX power control for each MS classification, and determining whether to control the TX power based on the expected gains. The change value is zero or a positive real number. | 05-17-2012 |
20130310054 | APPARATUS AND METHOD FOR CONTROLLING INTER-CLUSTER INTERFERENCE IN A MULTI CELL NETWORK - An apparatus and method for controlling an inter-cluster interference in a multi cell network are provided. The method includes collecting cluster information in order to cluster base stations into at least one cluster; clustering the base stations into at least one cluster by using at least one of a dynamic clustering method and a hierarchical clustering method, based on the cluster information, determining a cluster boundary base station, which satisfies a predetermined condition, among base stations in a cluster, and controlling the inter-cluster interference. | 11-21-2013 |
Jo-Seph Jeon, Seongnam-Si KR
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20120294214 | METHOD AND APPARATUS FOR SWITCHING A FREQUENCY ASSIGNMENT IN A WIRELESS COMMUNICATION SYSTEM - A method and an apparatus for switching a Frequency Assignment (FA) by a base station in a wireless communication system are provided. The method includes, upon detecting movement of the base station, communicating with a mobile terminal using a first FA via a first FA-transceiver among a plurality of FA-transceivers which process signals transceived via each of the plurality of FAs, and selecting, upon detecting a change in a wireless environment caused by the movement, a second FA from among the plurality of FAs, operating a second FA-transceiver which processes signals transceived via the second FA, transmitting, to the mobile terminal, a scanning-instructing message for instructing the reference signal transmitted via the second FA to be scanned, and switching the first FA to the second FA in accordance with the result of the scanning received from the mobile terminal in response to the scanning-instructing message. | 11-22-2012 |
20130195053 | METHOD AND APPARATUS FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM - A method for transmitting data by a base station in a wireless communication system is provided. The method includes transmitting a response signal for downlink data received from a user equipment and channel state information to a central coordinator, receiving scheduling information from the central coordinator and determining an interference control mode determined according to whether interference of adjacent base stations is controlled, based on the scheduling information, and transmitting data to the user equipment by using a Modulation and Coding Scheme (MCS) level according to the determined interference control mode. | 08-01-2013 |
Kiman Jeon, Seongnam-Si KR
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20100283802 | BACKLIGHT SPLIT CONTROL APPARATUS AND BACKLIGHT SPLIT CONTROL METHOD USING THE SAME - A backlight split control apparatus and a backlight split control method using the same are provided. The backlight split control apparatus, which is a split control apparatus of the backlight divided into a plurality of sections, includes an image signal processor for calculating a section luminance control value which is a representative luminance value of the section, from an image signal; a control signal generator for calculating a backlight control value which is a control signal of the backlight, by correcting a section luminance calculation value using a difference between the section luminance control value and the section luminance calculation value acquired from a section luminance distribution value of a light source of the backlight; and an image signal regulator for adjusting the image signal using the backlight control value. | 11-11-2010 |
Ki-Man Jeon, Seongnam-Si KR
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20090028460 | Method And Apparatus For Adjusting Backlight Brightness - A method for adjusting backlight brightness for an image display device whose backlights are arranged in an M×N, 2-dimensional array, and an apparatus for realizing this are provided. The method comprises a full search step determining the brightness adjustment value for each of the M×N image blocks corresponding to the backlights for the entire input image and selecting a reference block; a partial search step determining the brightness adjustment value for the selected reference block and surrounding blocks thereof for the image frame inputted following the full search step and reselecting a reference block based on the brightness adjustment value of the previous reference block and surrounding blocks thereof; and an adjustment step adjusting brightness of the backlights in accordance with the brightness adjustment value for each block as determined by the full search step and/or partial search step. In accordance with the present invention, it is possible to increase the speed of image analysis for a display that uses backlights. Likewise, controlling the backlight using the characteristics of the analyzed image enables reducing power consumption and increasing the contrast ratio by applying backlight brightness according to the characteristics of the image. | 01-29-2009 |
20120170589 | METHOD FOR PROVIDING SELECTIVE SERVICE BY SELECTIVE SERVICE MODULE AND HOME GATEWAY USING THE SAME - A selective service providing method using a selective service module, and a home gateway using the same are provided. A home gateway includes a module port for mounting a service module which provides a particular service; a communication interface for receiving a function result of the service module mounted to the module port; a display interface connected with a display; and a processor for sending the function result received from the service module through the communication interface, to the display through the display interface. Thus, the user's intended service can be selectively provided using the selective service module. | 07-05-2012 |
20130225116 | METHOD FOR NOTIFYING EMERGENCY BY MOBILE DEVICE AND HEALTH CARE MODULE AND HEALTH CARE SYSTEM USING THE SAME - A method for notifying an emergency and a health care system using the same are provided. The method includes receiving, at a mobile device, user health information from a module mounted to the mobile device; storing, at the mobile device, the received user health information; and when receiving an emergency signal from the mounted module, sending, at the mobile device, user location information and the stored user health information. Since the present invention can be implemented using a user's mobile device and a small module of low price, the user can avoid the financial burden and does not have to carry along a separate health care device. | 08-29-2013 |
20140005947 | HEALTH CARE SYSTEM AND METHOD USING STRESS INDEX ACQUIRED FROM HEART RATE VARIATION | 01-02-2014 |
20150142332 | HEALTH CARE SYSTEM AND METHOD USING STRESS INDEX ACQUIRED FROM HEART RATE VARIATION - A health care system and method using human body indexes acquired from human body information are disclosed. The present health care method includes receiving human body information, calculating a human body index based on the received human body information, generating a health care program based on the calculated human body index and providing the generated health care program to a user. By this system and method, it becomes possible to measure and monitor stress/fatigue/health indexes of a user in living environments, thereby effectively supporting well-being life of the user. | 05-21-2015 |
Ki Suk Jeon, Seongnam-Si KR
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20080308545 | Cooking apparatus with divider - Disclosed herein is a cooking apparatus that is capable of partially heating a cooking chamber depending upon an amount of food to be cooked through a relatively simple mechanical structure without using an additional control unit. The cooking apparatus includes a cooking chamber, a hot air supply unit to supply hot air into the cooking chamber, and a divider to divide the cooking chamber. The hot air supply unit includes a heater, a blowing fan to supply air heated by the heater into the cooking chamber, a fan cover having inlet holes and outlet holes, an opening and closing cover to partially open and close the inlet holes and the outlet holes of the fan cover, and interlocking units operating together with the attachment and detachment of the divider to move the opening and closing cover. | 12-18-2008 |
20090194092 | Oven equipped with steam generation unit - An oven which is convenient to supply water and clean a steam generation unit thereof. The oven includes a cooking chamber in which food is cooked, a door which opens and closes the cooking chamber, and a steam generation unit formed at a front part of a bottom plate of the cooking chamber. | 08-06-2009 |
20090311514 | Coating composition, and cooking device or cooking receptacle coated with the same - A coating composition and a cooking device and/or cooking receptacle coated with the coating composition are described. The coating composition includes 10 to 30 wt. % of SiO | 12-17-2009 |
20100133259 | Heater usable with cooker, method of manufacturing the same and cooker - Disclosed herein are a heater for cookers with high economical efficiency and improved performance, a method of manufacturing the same, and a cooker including the heater. The heater for cookers includes a heat-generator, and a heater body to house the heat-generator, a surface of the heater body having a prominence/depression pattern provided by surface-treating. The heater body is processed by sandblasting. | 06-03-2010 |
20100212512 | Cooking apparatus - A cooking apparatus equipped with a heating device enabling uniform distribution of heat. The cooking apparatus includes a plate to put a cooker thereon, a heater disposed under the plate, and a guide member disposed between the plate and the heater to induce energy emitted from the heater toward the plate. | 08-26-2010 |
20110011422 | POLLUTION SENSOR, COOKING APPARATUS HAVING SENSOR FOR DETECTING POLLUTION, AND CONTROL METHOD OF COOKING APPARATUS - Disclosed are a sensor, a cooking apparatus having the sensor, and a control method of the cooking apparatus. The sensor serves to accurately sense a pollution level of the cooking apparatus and to inform of a cleaning time and/or cleaning method based on the pollution level. The pollution level of a cooking compartment may be objectively determined using the sensor that senses the pollution level via a variation of capacitance. Also, it may be possible to guide a cleaning time and/or cleaning method (e.g., manual cleaning, steam cleaning, thermal decomposition cleaning, etc.) based on the pollution level of the cooking compartment, allowing the cooking compartment to be cleaned in the cleaning method at an appropriate cleaning time. In particular, during a thermal decomposition cleaning operation, the pollution level is sensed in real time to enable variable control the cleaning time and automatic control of a cleaning ending time. This may contribute to reduce energy consumption and discharge of CO2. | 01-20-2011 |
20110214661 | Oven - An oven having enhanced cooling efficiency. The oven includes a cooking chamber, a door to open or close a front side of the cooking chamber, a cooling fan located above the cooking chamber to suction and blow outside air, a discharge duct to discharge the air, blown by the cooling fan, forward of the door, a plurality of flow-paths defined in the door to allow outside air to be introduced into and moved in the flow-path in association with discharge of the air through the discharge duct, and a suction pipe to connect at least one of the flow-paths and the cooling fan to each other. Suction force of the cooling fan is applied to the flow-paths of the door through the suction pipe as well as the interior of an electric machine room, allowing the air in the flow-path to be discharged to the outside through the suction pipe and the discharge duct. This assures more active air movement in the door and maximizes the cooling effect of the door. | 09-08-2011 |
20120325807 | TRAY FOR MICROWAVE OVEN, MICROWAVE OVEN HAVING THE SAME, CONTROL METHOD OF MICROWAVE OVEN AND MANUFACTURING METHOD OF TRAY FOR MICROWAVE OVEN - A tray for a microwave oven and a microwave oven having the same is disclosed. Heat generators are formed on the surface of a tray unit of the tray for a microwave oven through transfer coating carried out at a high temperature, and thus the tray for a microwave oven may be heated to a high temperature, thereby being capable of effectively forming a grill mark on food to be cooked. | 12-27-2012 |
Kwang Seok Jeon, Seongnam-Si KR
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20090289296 | Semiconductor Device and Method of Fabricating the same - A semiconductor device and a method of fabricating the same. In accordance with a method of fabricating a semiconductor device according to an aspect of the invention, a tunnel dielectric layer, a first conductive layer, a dielectric layer, a second conductive layer, and a gate electrode layer are sequentially stacked over a semiconductor substrate. The gate electrode layer and the second conductive layer are patterned. A first passivation layer is formed on sidewalls of the gate electrode layer. Gate patterns are formed by etching the dielectric layer, the first conductive layer, and the tunnel dielectric layer, which have been exposed. A second passivation layer is formed on the entire surface along a surface of the gate patterns including the first passivation layer. | 11-26-2009 |
Min Seon Jeon, Seongnam-Si KR
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20110208596 | METHOD AND SYSTEM FOR PROVIDING ADVERTISING IN WHICH THE BID PRICE PER UNIT TIME IS ADJUSTED IN ACCORDANCE WITH ADVERTISING TRAFFIC - A method and system for offering an advertisement by adjusting a bid price per unit time according to advertising traffic are provided. The advertisement offering method includes determining a bid price per unit time based on an average bid price input by an advertiser and advertising traffic, and determining a charge regarding the advertisement of the advertiser based on the bid price per unit time. | 08-25-2011 |
20110246288 | METHOD AND SYSTEM FOR MANAGING QUALITY OF ADVERTISED WEBPAGE - Disclosed is a method and system for managing quality of an advertising document. The method of managing document quality may include verifying a number of actual clicks corresponding to a number of clicks that may occur during a predetermined period with respect to at least one document that may exist on the Web, verifying a number of expected clicks corresponding to a number of clicks that may be expected to occur during the predetermined period with respect to the at least one document, and determining a quality management index by which quality of the at least one document may be numerically expressed based on the number of the expected clicks and the number of the actual clicks. | 10-06-2011 |
20110251901 | METHOD FOR AUCTIONING AND BILLING FOR SEARCH ADVERTISEMENT, SYSTEM, AND COMPUTER-READABLE RECORDING MEDIUM - A method, system, and computer-readable recording medium for holding an auction and imposing a charge in relation to a search advertisement are provided. The method includes receiving bid information related to the search advertisement from an advertiser calculating device, the bid information including a search keyword, a posted time of the search advertisement, and a bid price for the search advertisement, determining a posting position and/or a posting order of the search advertisement with respect to a predetermined time slot of the posted time of the search advertisement, based on the bid price corresponding to the time slot, and posting the search advertisement according to the determined posting position and/or the posting order for the predetermined time slot. | 10-13-2011 |
20110264514 | BILLING METHOD AND SYSTEM THAT DETERMINES ADVERTISEMENT COSTS ACCORDING TO UNIT TIME - A charging method and system for determining an advertising cost according to a unit time are provided. The charging method includes checking a performance index numerically indicating performance of an advertisement; checking a priority index of a next-priority advertisement to the advertisement; and determining an actual charge per unit time of the advertisement based on the performance index, the priority index, and a predetermined weight. | 10-27-2011 |
20110282751 | METHOD AND SYSTEM FOR ADVERTISING USING MINIMUM INCREMENT BID - A method and system for providing an advertisement using a minimum incremental unit are provided. The advertisement providing method includes adjusting a minimum incremental unit based on an initial bid price, an input bid price, and a maximum bid price bid price during an auction. The minimum incremental unit includes a minimum value of increment to be included in a current input bid price in addition to a previously input bid price. | 11-17-2011 |
Moon-Sik Jeon, Seongnam-Si KR
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20090097711 | Detecting apparatus of human component and method thereof - Disclosed are an apparatus and a method of detecting a human component from an input image. The apparatus includes a training database (DB) to store positive and negative samples of a human component, an image processor to calculate a difference image for the input image, a sub-window processor to extract a feature population from a difference image that is calculated by the image processor for the positive and negative samples of a predetermined human component stored in the training DB, and a human classifier to detect a human component corresponding to a human component model using the human component model that is learned from the feature population. | 04-16-2009 |
20130236057 | DETECTING APPARATUS OF HUMAN COMPONENT AND METHOD THEREOF - Disclosed are an apparatus and a method of detecting a human component from an input image. The apparatus includes a training database (DB) to store positive and negative samples of a human component, an image processor to calculate a difference image for the input image, a sub-window processor to extract a feature population from a difference image that is calculated by the image processor for the positive and negative samples of a predetermined human component stored in the training DB, and a human classifier to detect a human component corresponding to a human component model using the human component model that is learned from the feature population. | 09-12-2013 |
Ock-Youm Jeon, Seongnam-Si KR
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20080249296 | Molecular Transporters Based on Sugar and Its Analogues and Processes For the Preparation Thereof - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules. | 10-09-2008 |
20100330608 | MOLECULAR TRANSPORTERS BASED ON SUGAR AND ITS ANALOGUES AND PROCESSES FOR THE PREPARATION THEREOF - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules. | 12-30-2010 |
20100330671 | MOLECULAR TRANSPORTERS BASED ON SUGAR AND ITS ANALOGUES AND PROCESSES FOR THE PREPARATION THEREOF - The inventive molecular transporter compound shows significantly high permeability through a biological membrane such as a plasma membrane, nuclear membrane and blood-brain barrier, and accordingly, can be effectively used in delivering various biologically active molecules. | 12-30-2010 |
Sang Jun Jeon, Seongnam-Si KR
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20150227270 | METHOD AND SYSTEM FOR CREATING A SITE ON A USER TERMINAL - A method for creating a site on a user terminal connected by a computer network to a site management system includes providing a plurality of cards having predefined functions to the user terminal; and creating a site including at least one of a page corresponding to a card selected at the user terminal by a user from among the plurality of cards and a page including, as a component, at least one card selected at the terminal. The plurality of cards includes a general card configured through a selection and a combination of components by the user and a function card of which a function and a structure are predetermined. | 08-13-2015 |
Soo Kun Jeon, Seongnam-Si KR
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20100127239 | III-Nitride Semiconductor Light Emitting Device - The present disclosure relates to a III-nitride semiconductor light-emitting device including an n-type nitride semiconductor layer, a p-type nitride semiconductor layer doped with a p-type dopant, an active layer disposed between the n-type nitride semiconductor layer and the p-type nitride semiconductor layer and including a quantum well layer to generate light by recombination of electrons and holes, and a diffusion barrier layer disposed between the quantum well layer and the p-type nitride semiconductor layer to be in contact with both layers, having a surface formed to make the interface with the p-type nitride semiconductor layer smooth, and to prevent diffusion of the p-type dopant into the quantum well layer. | 05-27-2010 |
Sujin Jeon, Seongnam-Si KR
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20130211926 | SYSTEM AND METHOD FOR PROVIDING INTEGRATED MARKETPLACE - Provided is a system and method for providing an advertisement that provides an integrated e-marketplace in a portal site managing system that provides a plurality of services including at least one of a shopping information providing service, a web document searching service, a personal page managing service, and a payment service. | 08-15-2013 |
Tae-Hyun Jeon, Seongnam-Si KR
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20090154334 | QR DECOMPOSITION APPARATUS AND METHOD FOR MIMO SYSTEM - Provided are a QR decomposition apparatus and method for a MIMO system. The QR decomposition apparatus includes: a norm calculator for calculating a vector size norm for a channel input; a Q column calculator for calculating a column value of a unitary matrix Q by multiplying a delayed channel input with √{square root over (norm)}; an R row calculator for receiving the delayed channel input, the output of the Q column calculator, and 1/√{square root over (norm)}, and calculating a row value of an upper triangular matrix R; a Q update calculator for receiving the delayed channel input, the output of the R row calculator, and a delayed output of the Q column calculator, and calculating a Q update matrix value; and a norm update calculator for receiving a delayed output of the norm calculator and an output of the R row calculator, and outputting a norm update matrix value. | 06-18-2009 |
Wan-Joon Jeon, Seongnam-Si KR
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20100110512 | IMAGE FORMING APPARATUS AND METHOD OF COMPENSATING COLOR THEREOF - A method of color compensation of an image forming apparatus includes measuring a density value of a pattern formed using auto color registration, determining whether to perform color compensation using the measured density value, and changing the Color Management System (CMS) preset in the image forming apparatus to a new CMS profile if color compensation is required. Accordingly, a CMS table can be updated quickly and conveniently according to the changed density information. | 05-06-2010 |
Woo-Seok Jeon, Seongnam-Si KR
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20080237037 | MASK AND METHOD OF MANUFACTURING THE SAME - A mask includes a transparent substrate, a light-blocking layer and a halftone layer. The light-blocking layer includes a source electrode pattern portion including a first electrode portion, a second electrode portion and a third electrode portion, and a drain electrode pattern portion disposed between the second electrode portion and the third electrode portion. The halftone layer includes a halftone portion corresponding to a spaced-apart portion between the source electrode pattern portion and the drain electrode pattern portion, and a dummy halftone portion more protrusive than ends of the second electrode portion and the third electrode portion. Thus, a photoresist pattern corresponding to a channel portion of a thin film transistor (TFT) may be formed with a uniform thickness, to thereby prevent an excessive etching of the channel portion. | 10-02-2008 |
20090135347 | DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A manufacturing method of a display device, wherein the manufacturing method for an embodiment includes: forming color filters in a plurality of pixel regions; forming a conductive layer on the color filters; and separating the conductive layer in each of the pixel regions through a photolithography process and forming a pixel electrode; wherein a groove is formed between the adjacent color filters having different colors at boundaries between the pixel regions; and wherein the photolithography process uses a negative photoresist material. | 05-28-2009 |
20090159888 | DISPLAY PANEL AND METHOD FOR MANUFACTURING THE SAME - A display panel and a manufacturing method thereof which includes forming a color filter on an insulating substrate, forming a plurality of trenches in the color filter, forming a first metal layer in the trenches, forming a second metal layer on the first metal layer to form gate lines, forming a gate insulating layer on the color filter and the gate lines, forming a semiconductor on the gate insulating layer, forming data lines including source electrodes and drain electrodes, and forming pixel electrodes connected to the drain electrodes. | 06-25-2009 |
20090176325 | HALFTONE MASK, METHOD OF MANUFACTURING THE SAME, AND METHOD OF MANUFACTURING AN ARRAY SUBSTRATE USING THE SAME - A halftone mask includes a transparent substrate, a light-blocking layer, a first semi-transparent layer and a second semi-transparent layer. The transparent substrate includes a light-blocking area, a light-transmitting area, a first halftone area transmitting first light, and a second halftone area transmitting second light that is less than the first light. The light-blocking layer is formed in the light-blocking area to fully block light from being transmitted. The first and second semi-transparent layers are formed on the transparent substrate. At least one of the first and second semi-transparent layers is formed in the first halftone area, and the first and second semi-transparent layers are overlapped with each other on the second halftone area. | 07-09-2009 |
20100055851 | PHOTORESIST COMPOSTION, METHOD FOR FORMING THIN FILM PATTERNS, AND METHOD FOR MANUFACTURING A THIN FILM TRANSISTOR USING THE SAME - The present invention relates to a photoresist composition that comprises a resin that is represented by Formula 1, a method for forming a thin film pattern, and a method for manufacturing a thin film transistor array panel by using the same. | 03-04-2010 |
20100167206 | PHOTORESIST COMPOSITION AND METHOD FOR MANUFACTURING A DISPLAY SUBSTRATE USING THE PHOTORESIST COMPOSITION - A photoresist composition includes a novolac resin, a benzophenone photosensitizer and an ethylidyne tris phenol photosensitizer, and an organic solvent. Thus, a micropattern having a higher resolution than the resolution of an exposure apparatus is formed to decrease an amount of exposure and/or exposure time, thereby improving manufacturing reliability and productivity. | 07-01-2010 |
Yong Weon Jeon, Seongnam-Si KR
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20090195266 | HIGH VOLTAGE STRESS TEST CIRCUIT - A high voltage stress test circuit includes an internal data generation unit for generating internal data and inverted internal data, and a level shifter for receiving the internal data and the inverted internal data and for generating digital data and inverted digital data. In a normal mode, the internal data and the inverted internal data have logic states corresponding to input data, while the digital data and the inverted digital data have logic states corresponding to the internal data and the inverted internal data. In a high voltage stress test mode, the internal data and the inverted internal data have predetermined logic states regardless of a logic state of the input data, while the digital data and the inverted digital data have predetermined logic states regardless of logic states of the internal data and the inverted internal data. | 08-06-2009 |
20100123690 | SOURCE DRIVER FOR DISPLAY DEVICES - A source driver for display devices includes line pair driving blocks. Each of the line pair driving blocks includes a de-multiplexing portion for de-multiplexing first and second digital data to generate first and second de-multiplexing data, a decoding portion for decoding the first and second de-multiplexing data to generate first and second analog data, and a multiplexing portion for multiplexing the first and second analog data to generate first and second gradation voltages. In the source driver, the de-multiplexing portion is controlled by signals having information of loading timing for the digital data and information of polarity for the gradation voltages. | 05-20-2010 |
20110038425 | DIFFERENTIAL DATA TRANSFERRING SYSTEM AND METHOD USING THREE LEVEL VOLTAGES - A differential data transferring system and method uses three level voltages to simultaneously transfer three signals (for example, two data signals and one clock signal) across two transfer line sets (i.e., four transfer lines). Therefore, the differential data transferring method increases transferring efficiency by using fewer transfer lines. Also, according to the differential data transferring system and method, one of two transfer lines forming a transfer line set is controlled to a middle voltage level, while the other transfer line is controlled to either a high voltage or a low voltage. Accordingly, the voltage difference between the two transfer lines may be maintained at a constant amplitude. Additionally, the difference between first and second dividing voltages DC | 02-17-2011 |
20110199143 | INTERNAL CLOCK GENERATING CIRCUIT AND METHOD FOR GENERATING INTERNAL CLOCK SIGNAL WITH DATA SIGNAL - An internal clock generating circuit and a method for generating an internal clock signal are disclosed. The internal clock generating circuit includes a transition detecting block for detecting transitions in a data signal and generating data transition information, and an internal clock generating block for generating and storing a period digital data while detecting the unit period of the data signal in a period confirming mode. In the internal clock generating circuit, the internal clock signal can be generated without the external clock signal, so that the internal clock generating circuit can be implemented with a simple constitution. Additionally, an extra locking time is not required for locking the extra clock signal, so that the operating speed of the internal clock generating circuit is improved. The internal clock signal is dependent on the data signal, so that it is easy to control the set-up and hold for data. | 08-18-2011 |
Youn Geun Jeon, Seongnam-Si KR
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20150143526 | ACCESS POINT CONTROLLER AND CONTROL METHOD THEREOF - Provided is a control method of an access point controller (APC), the method including: (a) if occurrence of a predetermined security vulnerability checking event on particular terminal equipment is sensed, controlling the plurality of APs so that port scanning is capable of being performed on the particular terminal equipment; and (b) determining that security vulnerability has occurred in the particular terminal equipment in at least one of a case where the predetermined port is opened, a case where the predetermined port is closed, and a case where the number of opened ports exceeds a predetermined number, as a result of performing port scanning on the particular terminal equipment. | 05-21-2015 |
20160007285 | APPARATUS FOR SUPPORTING POWER-SAVING FOR WIRELESS REPEATER AND METHOD THEREOF - Provided are an apparatus for supporting power-saving for a wireless repeater and a method thereof. The apparatus for supporting power-saving for the wireless repeater includes: an information receiving unit that receives information regarding adjacent wireless repeaters from each of peripheral wireless repeaters; a group forming unit that forms groups of wireless repeaters based on the information regarding adjacent wireless repeaters received by the information receiving unit; a leader setting unit that sets a leader in the group of wireless repeaters formed by the group forming unit; and a mode providing unit that provides a power-saving mode to the remaining wireless repeaters except for the wireless repeater as the leader by the leader setting unit among the groups of wireless repeaters formed by the group forming unit. | 01-07-2016 |
Yu Hun Jeon, Seongnam-Si KR
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20130227213 | MEMORY CONTROLLER AND OPERATION METHOD THEREOF - A memory controller and an operation method thereof are provided. The operation method includes storing a plurality of random sequences, selecting at least one random sequence among the plurality of random sequences according to a data pattern of a data block, and performing conversion by at least one of randomizing the data block using the selected at least one random sequence and derandomizing the randomized data block using the selected at least one random sequence. | 08-29-2013 |
Yu-Jin Jeon, Seongnam-Si KR
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20100224939 | SEMICONDUCTOR DEVICE - Provided is a metal-oxide semiconductor (MOS) transistor containing a metal gate pattern. The semiconductor device includes a p-channel metal-oxide semiconductor (PMOS) transistor including a semiconductor substrate, a first insulating film formed on the semiconductor substrate, a first metal gate conductive film formed on the first insulating film, and a nitrogen diffusion blocking film formed between the first insulating film and the first metal gate conductive film, and an n-channel metal-oxide semiconductor (NMOS) transistor including the semiconductor substrate, a second insulating film formed on the semiconductor substrate, a second metal gate conductive film formed on the second insulating film, and a reaction blocking film formed of metal nitride and formed between the second insulating film and the second metal gate conductive film. According to the inventive concept, a reaction between a metal gate film and an insulating film may be minimized so as to result in a highly reliable MOS transistor. | 09-09-2010 |