Patent application number | Description | Published |
20080252196 | Active-Matrix Field Emission Display - Provided is a field emission display (FED) in which field emission devices are applied to a flat panel display. The FED includes: a cathode plate including a substrate, first and second thin film transistors (TFTs) that are serially connected on the substrate, a field emitter disposed on a drain electrode of the second TFT, a gate insulating layer having a gate hole surrounding the field emitter, and field emission gate electrodes disposed on the gate insulating layer; and an anode plate including a substrate, and red, green, and blue phosphors disposed on the substrate, wherein the cathode plate and the anode plate are vacuum-packaged parallel and opposite to each other. According to the present invention, uniformity of the FED panel can be significantly improved, and an inherent source-drain leakage current of the TFT can be significantly reduced, so that a contrast ratio of the FED can be significantly enhanced. | 10-16-2008 |
20080284314 | Active-Matrix Field Emission Pixel and Active-Matrix Field Emission Display - Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a phosphor occurs and a TFT for driving the emission element; a current source for applying a scan signal to each unit pixel; and a voltage source for applying a data signal to each unit pixel. Here, the on-current of the current source is high enough to take care of the load resistance and capacitance of a scan row within a given writing time, and the off-current of the current source is so low that the electron emission of each pixel can be ignored. In addition, the pulse amplitude or pulse width of the data signal applied from the voltage source is changed, and thereby the gray scale of the display is represented. | 11-20-2008 |
20090028005 | WRISTWATCH-TYPE MOBILE DEVICE - Provided is a wristwatch-type mobile device. The wristwatch-type mobile device includes a wristwatch device, a mobile device, and an I/O device. The I/O device is selectively used as one of an output device of the wristwatch device and an I/O device of the mobile device. | 01-29-2009 |
20100096619 | ELECTRONIC DEVICES USING CARBON NANOTUBES HAVING VERTICAL STRUCTURE AND THE MANUFACTURING METHOD THEREOF - Provided are an electronic device to which vertical carbon nanotubes (CNTs) are applied and a method of manufacturing the same. The method of manufacturing an electronic device having a vertical CNT includes the steps of: (a) preparing a substrate on which a silicon source is formed; (b) forming a first insulating layer on the substrate, and etching the first insulating layer such that a top surface of the silicon source is exposed; (c) forming a second insulating layer on the silicon source, and forming a gate by patterning the second insulating layer; (d) forming a third insulating layer on the gate, and forming a through hole in which a carbon nanotube channel is to be formed by etching the third insulating layer and the second insulating layer; (e) forming a fourth insulating layer surrounding the gate on the through hole and the third insulating layer, and forming a spacer by etching the fourth insulating layer; (f) forming a metal catalyst on the silicon source; (g) vertically growing the carbon nanotube channel on the silicon source using the metal catalyst; (h) forming a fifth insulating layer on the through hole in which the carbon nanotube is formed and the third insulating layer; and (i) patterning the fifth insulating layer such that the carbon nanotube channel is exposed, and forming a silicon drain. An arrangement problem of horizontal CNTs can be solved by applying vertical CNTs and a selective silicon growth technique. | 04-22-2010 |
20110031817 | RECTIFYING ANTENNA ARRAY - A rectifying antenna array includes a plurality of rectifying antennas connected in parallel. Each of the rectifying antennas includes a reception-side antenna receiving AC power through magnetic induction with a reception-side resonant antenna of a resonant wireless power receiver and a rectifier diode connected to the reception-side antenna and converting the AC power into DC power. | 02-10-2011 |
20110229432 | THERMOSENSITIVE COMPOSITION PREVENTING TISSUE ADHESION AND PREPARATION METHOD THEREOF - Provided is a thermosensitive composition preventing tissue adhesion and a method for preparing the same, and, more particularly, a thermosensitive composition preventing tissue adhesion which further contains a drug selectively inhibiting inflammatory response and a method for preparing the composition, in which the composition is produced through a chemical reaction by adding a cross-linking agent to an aqueous solution which contains a block copolymer containing a polyethyleneoxide block having the ability to suppress tissue adhesion, and a polymer with 10,000 to 1,000,000 g/mol of molecular weight which can be mixed with the copolymer; the composition is characterized in that the difference of viscosity, absorbance of visible rays region, and stability between the upper and lower liquid layers are within 10% when centrifuging the composition; and also the method for preparing the composition enhances cross-linking homogenization and viscosity stability through simultaneous spraying and stirring methods without a reaction retardant. | 09-22-2011 |
20120097958 | ACTIVE-MATRIX FIELD EMISSION PIXEL - A field emission pixel includes a cathode on which a field emitter emitting electrons is formed, an anode on which a phosphor absorbing electrons from the field emitter is formed, and a thin film transistor (TFT) having a source connected to a current source in response to a scan signal, a gate receiving a data signal, and a drain connected to the field emitter. The field emitter is made of carbon material such as diamond, diamond like carbon, carbon nanotube or carbon nanofiber. The cathode may include multiple field emitters, and the TFT may include multiple transistors having gates to which the same signal is applied, sources to which the same signal is applied, and drains respectively connected to the field emitters. An active layer of the TFT is made of a semiconductor film such as amorphous silicon, micro-crystalline silicon, polycrystalline silicon, wide-band gap material like ZnO, or an organic semiconductor. | 04-26-2012 |
20120098057 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the same. The method includes: forming a trench in a semiconductor substrate of a first conductive type; forming a trench dopant containing layer including a dopant of a second conductive type on a sidewall and a bottom surface of the trench; forming a doping region by diffusing the dopant in the trench dopant containing layer into the semiconductor substrate; and removing the trench dopant containing layer. | 04-26-2012 |
20120257012 | METHOD AND APPARATUS FOR 3-DIMENSIONAL IMAGE DISPLAY - A display method and a display apparatus of a 3D image are provided. The display method includes: receiving an image stream; determining a viewing mode of the image stream; determining whether or not a screen of a display apparatus is adjusted according to the determined viewing mode; and adjusting the screen of the display apparatus in the case in which it is determined in the determining of whether or not the screen of the display apparatus is adjusted that the screen is adjusted, wherein the viewing mode of the image stream includes a 2D image viewing mode and a 3D image viewing mode. | 10-11-2012 |
20120263229 | ADAPTIVE IMAGE ENCODING DEVICE AND METHOD - Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters. | 10-18-2012 |
20120275513 | VIDEO ENCODING/DECODING METHOD AND DEVICE - Disclosed are a video encoding/decoding method and device. The video encoding method may comprise the steps of: establishing an adaptive filter corresponding to the current image; comparing the adaptive filter established in this way with at least one existing adaptive filter contained in a filter list; establishing whether to add the adaptive filter established in the way described to the adaptive filter list, based on the results of the comparison; and encoding the current image by using an adaptive filter contained in the filter list. In this way, encoding efficiency can be improved. | 11-01-2012 |
20120288436 | APPARATUS AND METHOD FOR TREATING INCINERATION ASH USING PLASMA ARC - The present invention relates to an apparatus and a method for melting incineration ash generated in an incinerator using a steam plasma torch which is capable of minimizing secondary pollutants and collecting calcium chloride from the melt. An exemplary embodiment of the present invention provides a method for treating incineration ash, including: generating a melt by melting the incineration ash comprising fly ash and bottom ash using a steam plasma torch; cooling the melt using water to dissolve molten salt included in the melt in the water and vitrify slag included in the melt; and collecting calcium chloride from the water in which the molten salt is dissolved. | 11-15-2012 |
20130058585 | APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME - The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal. | 03-07-2013 |
20130108184 | METHOD AND APPARATUS FOR ENCODING IMAGES USING TEMPLATE MATCHING AND METHOD AND APPARATUS FOR DECODING IMAGES | 05-02-2013 |
20130136172 | METHOD AND APPARATUS FOR ENCODING VIDEO, AND DECODING METHOD AND APPARATUS - The present invention relates to a video encoding method and apparatus for setting and encoding quantization parameters, and to a video decoding method and apparatus for decoding and setting quantization parameters in a video encoding and decoding apparatus which uses blocks having various sizes and depths as encoding and decoding units. | 05-30-2013 |
20130177078 | APPARATUS AND METHOD FOR ENCODING/DECODING VIDEO USING ADAPTIVE PREDICTION BLOCK FILTERING - Provided are a method and apparatus for encoding/decoding video. The method and apparatus of the present invention involve generating a first prediction block for a block to be decoded, calculating a filter coefficient on the basis of the block adjacent to the first prediction block, and performing filtering on the first prediction block using the filter coefficient so as to generate a second prediction block if information relating to the performance of filtering indicates that filtering should be performed. According to the present invention, accuracy in video prediction and encoding performance are improved. | 07-11-2013 |
20130182768 | METHOD AND APPARATUS FOR ENCODING / DECODING VIDEO USING ERROR COMPENSATION - According to the present invention, a method for decoding a video in a skip mode comprises the steps of: deriving a pixel value of an estimation block for a current block; deriving an error compensation value for the current block; and deriving a pixel value of a final prediction block using the pixel value of the prediction block and the error compensation value. According to the present invention, the amount of transmitted information is minimized, and the efficiency of video encoding/decoding is improved. | 07-18-2013 |
20130182779 | METHOD AND APPARATUS FOR VIDEO-ENCODING/DECODING USING FILTER INFORMATION PREDICTION - Provided is a scalable video-decoding method based on multiple layers. The scalable video-decoding method according to the present invention comprises: a step of predicting first filter information of a video to be filtered using the information contained in an object layer and/or information contained in another layer, and generating second filter information in accordance with the prediction; and a step of filtering the video to be filtered using the second filter information. According to the present invention, the amount of information being transmitted is reduced, and video compression performance is improved. | 07-18-2013 |
20130188731 | METHOD FOR ENCODING/DECODING BLOCK INFORMATION USING QUAD TREE, AND DEVICE FOR USING SAME - Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit. | 07-25-2013 |
20130188740 | METHOD AND APPARATUS FOR ENTROPY ENCODING/DECODING - Provided is an entropy decoding method. The entropy decoding method according to the present invention comprises the steps of: drawing context information about a symbol to be decoded using at least either context information about corresponding layer or context information about other layers; and performing entropy decoding on the symbol using the drawn context information. According to the present invention, image compression efficiency can be enhanced. | 07-25-2013 |
20130188884 | METHOD FOR ENCODING AND DECODING IMAGES AND APPARATUS FOR ENCODING AND DECODING USING SAME - The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks. | 07-25-2013 |
20130223528 | METHOD AND APPARATUS FOR PARALLEL ENTROPY ENCODING/DECODING - The present invention relates to an entropy encoding method comprising the following steps: updating probability information using the update information derived based on a bit stream received from an encoder; deriving a bin corresponding to the current codeword based on the updated probability information; and performing the inverse binarization of the derived bin to acquire a syntax element. According to the present invention, video-encoding/decoding efficiency may be improved. | 08-29-2013 |
20130294474 | GASIFICATION MELTING FURNACE AND METHOD FOR TREATING COMBUSTIBLE MATERIAL USING THE SAME - A gasification melting furnace includes a gasification part into which the combustible material inputs, a sedimentary part communicating with a lower part of the gasification part, and a melting part communicating with a lateral face of the sedimentary part and having a heater, wherein the sedimentary part is filled with the combustible material and a gas generated in the melting part passes through the combustible material and inputs into the gasification part, thereby stably and rapidly treating the combustible material, reducing energy consumption of the heater, and providing a synthetic gas containing decreased hazardous substances. | 11-07-2013 |
20140010283 | ADAPTIVE IMAGE ENCODING DEVICE AND METHOD - Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters. | 01-09-2014 |
20140029668 | APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME - The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal. | 01-30-2014 |
20140036994 | MOTION PICTURE ENCODING APPARATUS AND METHOD THEREOF - Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit. | 02-06-2014 |
20140037001 | METHOD AND DEVICE FOR DETERMINING REFERENCE UNIT - An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved. | 02-06-2014 |
20140077302 | POWER RECTIFYING DEVICES - According to a power rectifying device of embodiments of the inventive concept, a gate electrode, a source region, and a body region are connected in common to a first terminal, and a substrate beside the body region is connected to a second terminal. Thus, the power rectifying device having two terminals is realized. The gate electrode has s spacer-shape. Thus, a width of the gate electrode may be controlled to accurately control a channel length of a channel region of a transistor structure in the power rectifying device. | 03-20-2014 |
20140091388 | SEMICONDUCTOR DEVICE AND METHOD OF FABRICATING THE SAME - Provided are a semiconductor device and a method of fabricating the same. The method includes: forming a trench in a semiconductor substrate of a first conductive type; forming a trench dopant containing layer including a dopant of a second conductive type on a sidewall and a bottom surface of the trench; forming a doping region by diffusing the dopant in the trench dopant containing layer into the semiconductor substrate; and removing the trench dopant containing layer. | 04-03-2014 |
20140197449 | SEMICONDUCTOR RECTIFIER DEVICE - Provided is a semiconductor rectifier device. The semiconductor rectifier device may include a substrate doped with a first conductive type, a second electrode provided on a bottom surface of the substrate, an active region and a field region defined on the substrate, a gate provided in the active region, a gate insulating film provided between the gate and the substrate, body regions provided on the substrate adjacent to first and second sides of the gate, facing each other, and doped with a second conductive type dopant different from the first conductive type, and a second conductive type plug region formed on the substrate adjacent to third and fourth sides of the gate, connecting the first and second sides. | 07-17-2014 |
20140235016 | METHOD OF FABRICATING SEMICONDUCTOR PACKAGE - Provided is a method of fabricating a semiconductor package, including preparing a die including a first metal layer and a second metal layer which are sequentially stacked on a silicon substrate, preparing a package substrate including a lead frame, and forming an adhesive layer between the lead frame and the first metal layer and attaching the die to the package substrate, wherein the forming of the adhesive layer is performed by eutectic bonding between the silicon substrate and the second metal layer. According to the semiconductor package according to an embodiment of the present invention, an adhesive layer can be easily formed by eutectic bonding without a process of forming a preform. | 08-21-2014 |
20140307789 | METHOD AND APPARATUS FOR SETTING REFERENCE PICTURE INDEX OF TEMPORAL MERGING CANDIDATE - The present invention relates to a method and apparatus for setting a reference picture index of a temporal merging candidate. An inter-picture prediction method using a temporal merging candidate can include the steps of: determining a reference picture index for a current block; and inducing a temporal merging candidate block of the current block and calculating a temporal merging candidate from the temporal merging candidate block, wherein the reference picture index of the temporal merging candidate can be calculated regardless of whether a block other than the current block is decoded. Accordingly, a video processing speed can be increased and video processing complexity can be reduced. | 10-16-2014 |
20140309474 | PLASMA MELTING FURNACE, SYSTEM AND METHOD FOR WASTE TREATMENT - A melting furnace includes a waste inlet formed on a first side wall of the plasma melting furnace to feed waste therein, an exhaust gas outlet formed on a second side wall facing the first side wall and located diagonally to a direction orthogonal to the first side wall having the waste inlet to discharge the exhaust gas generated in the plasma melting furnace, and a plasma torch mounted on a third side wall for heating inside of the plasma melting furnace at a position nearer to the second side wall than the first side wall so as to inject a plasma into the exhaust gas. | 10-16-2014 |
20140334543 | INTRA PREDICTION MODE ENCODING/DECODING METHOD AND APPARATUS - Disclosed are an intra prediction mode encoding and decoding method, an image decoding device, and an image encoding device. The intra prediction mode decoding method comprises the steps of: deriving most probable modes (MPMs) from surrounding prediction units adjacent to a current prediction unit; and deriving an intra prediction mode of the current prediction unit on the basis of an MPM flag indicating whether an MPM having the same prediction mode as the intra prediction mode of the current prediction unit exists among the derived MPMs. | 11-13-2014 |
20140334551 | METHOD AND DEVICE FOR ENCODING AND DECODING IMAGE - A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a final correction value that is calculated by performing an arithmetic right shift by a binary digit 1 for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. Thus, the operational complexity during image encoding/decoding can be reduced. | 11-13-2014 |
20140341284 | METHOD AND DEVICE FOR SHARING A CANDIDATE LIST - The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks. | 11-20-2014 |
20140355688 | METHOD AND APPARATUS FOR IMAGE CODING/DECODING - A method for decoding an image according to the present invention comprises the steps of: decoding a residual block by quantizing and inverse transforming an entropy-decoded residual block; generating a prediction block via motion compensation; and decoding an image by adding the decoded residual block to the prediction block, wherein on the basis of the maximum number of motion vector candidates of the motion vector candidate list related to the prediction block, a motion vector candidate list is adjusted by adding a particular motion vector candidate or by discarding a portion from among the motion vector candidates, and in the prediction block generation step, a prediction motion vector of the prediction block is determined on the basis of the adjusted motion vector candidate list. Accordingly, the complexity of arithmetic operations is reduced during encoding/decoding of an image. | 12-04-2014 |
20140362906 | METHOD AND DEVICE FOR ENCODING AND DECODING IMAGE - A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a fmal correction value that is calculated by performing an arithmetic right shift by a binary digit I for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. The operational complexity during image encoding/decoding can be reduced. | 12-11-2014 |
20150016548 | VIDEO DECODING METHOD AND APPARATUS USING THE SAME - A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency. | 01-15-2015 |
20150063438 | ENCODING METHOD AND DECODING METHOD, AND DEVICE USING SAME - The present invention relates to an encoding method and decoding method, and a device using the same. The encoding method according to the present invention comprises the steps of: specifying an intra prediction mode for a current block; and scanning a residual signal by intra prediction of the current block, wherein the step of scanning the residual signal can determine a scanning type for a luminance signal and a chroma signal of the current block according to an intra prediction mode for a luminance sample of the current block. | 03-05-2015 |
20150078442 | METHOD AND DEVICE FOR ENCODING/DECODING IMAGE - A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients. | 03-19-2015 |
20150103912 | METHOD AND APPARATUS FOR VIDEO ENCODING/DECODING BASED ON MULTI-LAYER - Disclosed are a method and apparatus for video encoding/decoding based on a multi-layer. The method for video decoding to support a plurality of layers, includes: decoding Picture Order Count (POC) reset information indicating whether a POC value of a current picture is reset to 0; calculating the POC value of the current picture and respective POC values of a long-term reference picture and a short-term reference picture in a decoded picture buffer (DPB) referred by the current picture; and configuring a Reference Picture Set (RPS) for inter-prediction of the current picture based on the POC value of the long-term reference picture and the POC value of the short-term reference picture. | 04-16-2015 |
20150139323 | METHOD OF DECODING IMAGES AND DEVICE USING SAME - Scalable video encoding uses interlayer texture prediction, interlayer motion information prediction, and interlayer residual signal prediction in order to remove redundancy from interlayer images. In order to increase the accuracy in interlayer prediction, the present invention may find a reference layer block on a location corresponding to the current target block and a block that is most similar to a sample of the current target block from images of a reference layer and use them as a prediction signal. Also, in interlayer prediction, a prediction signal obtained from an intra-layer image to which the current target block belongs and a prediction signal obtained from a reference layer image may be weighted and then used as a prediction signal. | 05-21-2015 |
20150189277 | APPARATUS FOR ENCODING AND DECODING IMAGE BY SKIP ENCODING AND METHOD FOR SAME - The present invention relates to an apparatus and method for encoding and decoding an image by skip encoding. The image-encoding method by skip encoding, which performs intra-prediction, comprises: performing a filtering operation on the signal which is reconstructed prior to an encoding object signal in an encoding object image; using the filtered reconstructed signal to generate a prediction signal for the encoding object signal; setting the generated prediction signal as a reconstruction signal for the encoding object signal; and not encoding the residual signal which can be generated on the basis of the difference between the encoding object signal and the prediction signal, thereby performing skip encoding on the encoding object signal. | 07-02-2015 |
20150189289 | METHOD AND APPARATUS FOR CODING/DECODING IMAGE - Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block. | 07-02-2015 |
20150215616 | METHOD AND DEVICE FOR ENCODING AND DECODING IMAGE - A method for decoding an image according to the present invention comprises the steps of: restoring a residual block by performing inverse quantization and inverse transformation for the entropy-decoded residual block; generating a prediction block by performing intra prediction for a current block; and restoring an image by adding the restored residual block to the prediction block, wherein the step of generating the prediction block further comprises a step for generating a final prediction value of a pixel to be predicted, on the basis of a first prediction value of the pixel to be predicted, which is included in the current block, and of a final correction value that is calculated by performing an arithmetic right shift by a binary digit 1 for a two's complement integer representation with respect to an initial correction value of the pixel to be predicted. Thus, the operational complexity during image encoding/decoding can be reduced. | 07-30-2015 |
20150245075 | METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING - Disclosed are a method and an apparatus for image encoding/decoding. The image decoding method which supports a plurality of layers according to the present invention comprises the steps of: receiving a bitstream including inter-layer switching time information that indicates whether inter-layer switching from a first layer to a second layer is possible; and decoding the bitstream based on the inter-layer switching time information. The inter-layer switching time information includes information on the layer switching picture (LSP) of the time when inter-layer switching is possible. The information on the layer switching picture is induced from the network abstraction layer (NAL) unit type parsed from the bitstream. | 08-27-2015 |
20150283743 | BASE MOLD AND METHOD OF FABRICATING MOLD - Provided is a method of fabricating a mold, the method including: forming a first preliminary layer and a second preliminary layer, which are spaced apart from each other and stacked on a substrate; forming a first pattern by patterning the first preliminary layer; forming a first spacer on both sidewalls of the first pattern; | 10-08-2015 |
20150319453 | METHOD FOR ENCODING/DECODING IMAGES, AND APPARATUS USING SAME - According to the present invention, an image decoding method for supporting a plurality of layers includes the steps of: receiving and parsing layer-dependent information for reference layers that can be referenced by a current layer in an entire bitstream; when interlayer prediction is used in decoding a current picture in the current layer, receiving and parsing layer information for a reference layer referenced by the current picture among the reference layers; and decoding the current picture on the basis of the layer information. | 11-05-2015 |
20150334396 | METHOD FOR ENCODING AND DECODING QUANTIZED MATRIX AND APPARATUS USING SAME - The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix. | 11-19-2015 |
20150350683 | MOTION PICTURE ENCODING APPARATUS AND METHOD THEREOF - Provided is a video encoding apparatus, including a signal separator to separate a differential image block into a first domain and a second domain, based on a boundary line included in the differential image block, the differential image block indicating a difference between an original image and a prediction image with respect to the original image, a transform encoder to perform a transform encoding with respect to the first domain using a discrete cosine transform (DCT), a quantization unit to quantize an output of the transform encoding unit in a frequency domain, a space domain quantization unit to quantize the second domain in a space domain, and an entropy encoder to perform an entropy encoding using outputs of the quantization unit and the space domain quantization unit. | 12-03-2015 |
20150365686 | IMAGE ENCODING/DECODING METHOD AND DEVICE - Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of; receiving a bitstream comprising the plurality of layers; and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers. | 12-17-2015 |
20160029029 | IMAGE ENCODING/DECODING METHOD AND DEVICE - Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture. | 01-28-2016 |
20160044327 | METHOD FOR ENCODING AND DECODING IMAGES AND APPARATUS FOR ENCODING AND DECODING USING SAME - The present invention relates to image encoding and image decoding. A method for encoding images according to the present invention comprises the steps of: acquiring division information from peripheral blocks of an encoding target block with respect to the peripheral blocks; predicting the division of the encoding target block on the basis of the acquired division information; encoding information on the difference between the practical division information of the encoding target information and the predictive division information predicted in the predicting process; and transmitting the encoded information. The present invention can encode/decode the division information of the encoding/decoding target blocks using the information about the peripheral blocks. | 02-11-2016 |
20160053099 | RUBBER POLYMER AND METHOD OF PREPARING THE SAME - Disclosed are a rubber latex and a method of preparing the same. The rubber latex comprises a diene based rubber polymer core and a multilayer shell structure wherein an aromatic or non-aromatic polymer having an unsaturated double bond and a diene based polymer are alternatively laminated on the core. When a rubber reinforced graft copolymer is prepared through emulsion polymerization of the rubber latex, a product having excellent impact resistance and colorability may be provided. | 02-25-2016 |
Patent application number | Description | Published |
20080234007 | Mobile communication terminal for providing backgroud picture during communication - A mobile communication terminal provides a still or motion picture as a background picture during communication to allow the terminal to perform voice communication with a counterpart terminal using a stored background picture. In the terminal, a memory stores at least one background picture, each including a picture signal corresponding to a respective user input. A multi-codec converts the background picture and a communication voice and a mixing unit mixes the background picture with the communication voice. A wireless transceiver wirelessly transmits the mixed background picture and communication voice. An output unit outputs the mixed background picture and communication voice. A central processing unit selects, controls, and transmits a background signal according to the user input. | 09-25-2008 |
20090271023 | AUTOMATED SYSTEM FOR MANUFACTURING PART OF FUEL CELL STACK - The present invention realizes an automated system which automatically performs all processes including an inputting process, a bonding process, and a punching process using a robot in manufacturing an integrated part of an MEA and GDLs. Accordingly, with the automated system, it is possible to improve productivity and ensure consistent product quality. | 10-29-2009 |
20100053434 | AUTO INSTALL APPARATUS AND METHOD FOR AV DEVICE CONNECTION WITH DIGITAL TV - Disclosed herein are an apparatus and a method for automatically setting an external device ( | 03-04-2010 |
20120017911 | FILTERING FACE-PIECE RESPIRATOR HAVING FOAM SHAPING LAYER - A filtering face mask | 01-26-2012 |
20120113618 | OPTICAL MEMBER AND DISPLAY DEVICE - Disclosed are an optical member and a display device. The display device includes a light source, a plurality of wavelength conversion particles to convert a wavelength of a light emitted from the light source, a receptacle receiving the wavelength conversion particles and having a protrusion on an inner surface thereof, a sealing part inserted into the receptacle to seal an inner part of the receptacle, and a display panel to display an image by receiving a light converted by the wavelength conversion particles. | 05-10-2012 |
20120188746 | Optical Member, Display Device Having the Same and Method of Fabricating the Same - Disclosed are an optical member, a display device including the optical member and a method of fabricating the optical member. The display device includes a light source; a wavelength conversion member into which light generated from the light source is incident; and a display panel into which light is incident from the wavelength conversion member. The wavelength conversion member includes a receiving part having a pipe shape; a matrix in the receiving part; and a plurality of wavelength conversion particles disposed in the matrix to convert a wavelength of the light generated from the light source. | 07-26-2012 |
20120260920 | FACE MASK HAVING WELDED THERMOPLASTIC MASK BODY - A respirator | 10-18-2012 |
20130139823 | RESPIRATOR HAVING FOAM SHAPING LAYER WITH RECESSED REGIONS SURROUNDING AIR PASSAGEWAYS - A filtering face mask | 06-06-2013 |
20130318142 | REMOTE CARD CONTENT MANAGEMENT USING SYNCHRONOUS SERVER-SIDE SCRIPTING - Remote card content management using synchronous server-side scripting is provided. A method includes parsing a script configured to perform a card content management operation as a sequence of operations for a secure element based on receiving a request from a mobile device located remotely from a computer processor. The method also includes creating an execution context for the script to identify the sequence of operations in the script as non-flushing and flushing nodes. A flushing node is identified as an operation that sends a response to the request and expects a subsequent request from the mobile device for the secure element. The method further includes pausing execution of the script upon sending the response at the flushing node. | 11-28-2013 |
20130318508 | REMOTE CARD CONTENT MANAGEMENT USING SYNCHRONOUS SERVER-SIDE SCRIPTING - Remote card content management using synchronous server-side scripting is provided. A system includes a computer processor and a script interpreter executable by the computer processor. The script interpreter is configured to perform a method. The method includes parsing a script configured to perform a card content management operation as a sequence of operations for a secure element based on receiving a request from a mobile device located remotely from the computer processor. The method also includes creating an execution context for the script to identify the sequence of operations in the script as non-flushing and flushing nodes. A flushing node is identified as an operation that sends a response to the request and expects a subsequent request from the mobile device for the secure element. The method further includes pausing execution of the script upon sending the response at the flushing node. | 11-28-2013 |
20140036532 | DISPLAY DEVICE - Disclosed is a display device. The display device includes a light source; a wavelength conversion member to convert a wavelength of light generated from the light source; and a light guide member to guide the light converted by the wavelength conversion member, wherein the wavelength conversion member is disposed in an insertion hole formed in the light guide member. | 02-06-2014 |
20140190492 | FILTERING FACE-PIECE RESPIRATOR HAVING A FACE SEAL COMPRISING A WATER-VAPOR-BREATHABLE LAYER - Herein is disclosed a shaped filtering face-piece respirator having a face seal that includes a water-vapor-breathable layer. | 07-10-2014 |
20140313692 | OPTICAL MEMBER, DISPLAY DEVICE HAVING THE SAME AND METHOD OF FABRICATING THE SAME - Disclosed are an optical member, a display device including the optical member and a method of fabricating the optical member. The display device includes a light source; a wavelength conversion member into which light generated from the light source is incident; and a display panel into which light is incident from the wavelength conversion member. The wavelength conversion member includes a receiving part having a pipe shape; a matrix in the receiving part; and a plurality of wavelength conversion particles disposed in the matrix to convert a wavelength of the light generated from the light source. | 10-23-2014 |
20150033228 | METHOD AND APPARATUS FOR RECOVERING LOCK HOLDER PREEMPTION - According to one embodiment of the present invention, the scheduling method includes an acquisition step of acquiring operation state information on a virtual CPU (vCPU) and lock information on an OS in the operation of the vCPU and of a virtual machine (VM) driving the vCPU and including the OS, and a determination step for determining whether the vCPU is in a lock holder preemption (LHP) state on the basis of the operation state information and the lock information. According to one embodiment of the present invention, the LHP can be easily and precisely known on a system using the VM. Also, even with an increase in the number of cores, scalability can be supported in a system by adjusting the pCPU to which operations of the vCPU are allocated through a scheduling scheme. In addition, a fairness hindering problem between the existing technology and the VM can be solved by adjusting the operations for each vCPU and continuously performing a critical section of a lock holder by using a time quantum allocated to a lock contender vCPU which awaits a lock release. | 01-29-2015 |
20150042219 | WASHING MACHINE HAVING AN IMPROVED COUPLING STRUCTURE - A washing machine including a cabinet, a tub placed within the cabinet, a wash tub located within the tub to receive laundry therein, an element receiving unit in which elements are received, the element receiving unit being coupled to one side of the cabinet, a coupling panel provided at the element receiving unit so as to be coupled to the cabinet, a receiving panel provided at the cabinet so as to receive at least a portion of the coupling panel, a first holder and a second holder formed at the coupling panel, and a first receiving hole and a second receiving hole perforated in the receiving panel to receive the first holder and the second holder respectively therein. The coupling panel is pivotally rotated after the first holder is positioned into the first receiving hole, causing the second holder to be fitted into the second receiving hole. | 02-12-2015 |
20150205186 | CAMERA MODULE - A camera module includes a lens holder, a base coupled to the lens holder and integrally formed with a cable by being molded with the cable, and a sealing member positioned at a coupled surface between the lens holder and the base. The lens holder includes a lens barrel including a first concave unit formed at a front surface with a hollow hole part to accommodate a first O-ring, and a second concave unit formed at a periphery to accommodate a second O-ring. A lens unit includes a front lens arranged at a front surface of a lens barrel and includes at least one lens arranged at the hollow hole part of the lens barrel, and a retainer including a recess groove configured to accommodate a third O-ring configured to fix the front lens by being formed at a periphery to be coupled at an inner surface to the periphery of the lens barrel. | 07-23-2015 |
20150296405 | METHOD AND APPARATUS FOR CONTROLLING APERIODIC TRAFFIC IN ELECTRONIC DEVICE - The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as a smart home, a smart building, a smart city, a smart car, a connected car, healthcare, digital education, smart retail, security and safety services. A method and an apparatus for controlling aperiodic traffic in an electronic device are provided. The method includes determining a delay allowed time for first traffic associated with the first application based on a prediction time of generation of second traffic associated with a second application and processing the first traffic associated with the first application based on the delay allowed time. | 10-15-2015 |
20150304848 | METHOD AND APPARATUS FOR CONTROLLING ACCESS TO LOCATION INFORMATION ABOUT USER EQUIPMENT EXECUTING APPLICATION - The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and a User Equipment (UE) for controlling access to location information about the UE are provided. The UE includes a controller configured, upon sensing access to the location information about the UE by an application operating in an operating system (OS) of the UE, to match a rule defining access authorization of the application to the location information, and to determine whether to allow or deny access of the application to the location information based on the access authorization, and a display configured to display a screen under control of the controller. | 10-22-2015 |
20150320819 | METHOD FOR TREATING INFLAMMATION, ARTHRITIS OR DISC DISEASES USING A MIXED EXTRACT OF CIBOTII RHIZOMA, LEDEBOURIELLAE RADIX, ACHYRANTHIS RADIX, PAEONIA LACTIFLORA PALL AND GLYCYRRHIZAE RADIX - The present invention relates to a method for treating inflammation, arthritis or disc diseases using a pharmaceutically effective amount of a mixed extract of Cibotii Rhizoma, Ledebouriellae Radix, Achyranthis Radix, | 11-12-2015 |
20160041327 | DISPLAY DEVICE - A display device including a light source; a wavelength conversion member to convert a wavelength of light generated from the light source; a light guide member to guide the light converted by the wavelength conversion member; and an adhering member. In addition, the wavelength conversion member includes a first surface facing the light source; a second surface facing the light guide member; a top surface extending from the first surface to the second surface; and a bottom surface facing the top surface. Furthermore, the adhering member is disposed on the top surface and the bottom surface. Also, the wavelength conversion member includes a tube, the tube receives a sealing member, an air layer and a matrix therein, and the air layer is formed between the sealing member and the matrix. | 02-11-2016 |
20160066271 | Apparatus and Method for Controlling TCP Connections in a Wireless Communication System - The present disclosure relates to an apparatus and a method for controlling Transmission Control Protocol (TCP) connection close to improve a battery life time of a client such as a smart phone in a wireless communication system are provided. A method of operating a client in a wireless communication system includes determining a data transfer inactivity time of at least one of TCP connections, and closing the at least one of TCP connections at the data transfer inactivity time. | 03-03-2016 |
20160073801 | FUNCTONAL PILLOW - Disclosed herein is a functional pillow. The functional pillow includes a back head placement part formed of a material with a predetermined shape and thickness and allowing the back of a user's head to be placed on an upper surface thereof when the user lies on the back; a pair of core parts coupled to the back head placement part, defining a space, into which an user's arm is allowed to be inserted, under both ends thereof, and configured to support a user's face on an upper surface thereof when the user lies on the side while the back of the user's head is placed on the back head placement part; a cervical vertebra support part coupled to the back head placement part, and protruding with an inclination from the back head placement part to support the cervical vertebra; and a pair of wing parts formed to be coupled to the pair of core parts and the cervical vertebra support part, formed to be upwardly bent with an inclination, and defining a space, into which user's shoulder is allowed to be inserted, thereunder. | 03-17-2016 |
Patent application number | Description | Published |
20130039421 | METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER - Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction comprises the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter. | 02-14-2013 |
20130215968 | VIDEO INFORMATION ENCODING METHOD AND DECODING METHOD - The present invention relates to a method and apparatus for encoding and decoding video information. The video information encoding method according to the present invention comprises: a step of performing a prediction on a current block; and a step of entropy-encoding the predicted information and transmitting the encoded information. The step of performing a prediction comprises: a step of acquiring motion information on a neighboring block from the neighboring block of the current block; and a step of determining motion information on the current block on the basis of the acquired motion information. The transmitting step also involves transmitting information required for the prediction of the current block. According to the present invention, the complexity of video compression and the quantity of transmitted information may be reduced. | 08-22-2013 |
20130243087 | INTRA PREDICTION MODE ENCODING/DECODING METHOD AND APPARATUS FOR SAME - An intra prediction method according to the present invention comprises the following steps: deriving neighboring prediction mode information from a left neighboring prediction mode and a top neighboring prediction mode; deriving an intra prediction mode for a target unit to be decoded, using the derived neighboring prediction mode information; and performing intra prediction for the target unit to be decoded, based on the intra prediction mode. According to the present invention, video encoding/decoding efficiency may be improved. | 09-19-2013 |
20130243088 | METHOD AND APPARATUS FOR INTER PREDICTION - An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced. | 09-19-2013 |
20130243089 | DEVICE FOR ENCODING ULTRA-HIGH DEFINITION IMAGE AND METHOD THEREOF, AND DECODING DEVICE AND METHOD THEREOF - Provided are an encoding device using predictive coding in a screen and a method thereof, and a decoding device and a method thereof. The encoding device is capable of generating a prediction block of a current block according to one of methods for generating a plurality of predetermined prediction blocks, and outputting at least one of encoding information and differential blocks as bitstream by entropy encoding according to whether differential blocks are encoded or not. | 09-19-2013 |
20130251036 | INTRA PREDICTION METHOD AND APPARATUS - An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved. | 09-26-2013 |
20130251044 | METHOD AND DEVICE FOR DETERMINING REFERENCE UNIT - An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved. | 09-26-2013 |
20130287104 | METHOD FOR ENCODING VIDEO INFORMATION AND METHOD FOR DECODING VIDEO INFORMATION, AND APPARATUS USING SAME - Disclosed herein is a method for coding image information, including: generating prediction information by predicting information on a current coding unit; and determining whether the information on the current coding unit is the same as the prediction information, wherein when the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted, and when the information on the current coding unit is not the same as the prediction information, the flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. | 10-31-2013 |
20130294522 | METHOD AND APPARATUS FOR ENCODING/DECODING IMAGES USING A MOTION VECTOR - The present invention relates to a method and apparatus for encoding/decoding image using a motion vector.According to one embodiment of the present invention, an image-decoding method is provided. The image-decoding method comprises the following steps: clipping a motion vector of a reference picture with a predetermined dynamic range so as to generate a clipped motion vector; storing the clipped motion vector in a buffer; deriving a motion vector of a block to be decoded using the motion vector stored in the buffer; and performing inter-prediction decoding using the motion vector of the block to be decoded. According to the present invention, the size of a memory space required to store a motion vector may be reduced. | 11-07-2013 |
20130301720 | IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved. | 11-14-2013 |
20130301944 | ENTROPY CODING METHOD USING AN INDEX MAPPING TABLE, AND IMAGE-ENCODING/DECODING APPARATUS AND METHOD USING SAID ENTROPY CODING METHOD - Disclosed is an entropy coding method using an index mapping table, and an apparatus using the method. An imagedecoding method comprises: a step of mapping an inputted codeword to a code number with reference to an inverse codeword mapping table, and calculating the mapped code number in a table index; and a step of updating the inverse mapping table based on the accumulated number of occurrences of the code number, the number of sequential occurrences of the code number, neighbor block encoding/decoding information, and/or threshold value information for updating the inverse index mapping table. According to the present invention, an index mapping table is realigned based on a certain condition, thereby improving encoding/decoding efficiency. | 11-14-2013 |
20130322535 | METHOD FOR ENCODING AND DECODING IMAGES USING PLURALITY OF REFERENCE IMAGES AND DEVICE USING METHOD - Disclosed are a method for encoding and decoding images using a plurality of reference images and a device using the method. The decoding method comprises the steps of: decoding predictive direction information; and decoding reference picture index information on the basis of said predictive direction information. Thus, the invention can increase an encoding efficiency by reducing the number of reference picture indexes. | 12-05-2013 |
20130329785 | METHOD FOR DETERMINING COLOR DIFFERENCE COMPONENT QUANTIZATION PARAMETER AND DEVICE USING THE METHOD - Disclosed are a method for determining a color difference component quantization parameter and a device using the method. Method for decoding an image can comprise the steps of: decoding a color difference component quantization parameter offset on the basis of size information of a transform unit; and calculating a color difference component quantization parameter index on the basis of the decoded color difference component quantization parameter offset. Therefore, the present invention enables effective quantization by applying different color difference component quantization parameters according to the size of the transform unit when executing the quantization. | 12-12-2013 |
20130329807 | METHOD FOR SCANNING TRANSFORM COEFFICIENT AND DEVICE THEREFOR - The method for scanning a transform coefficient of the present invention comprises the steps of: determining a reference transform block for a block to be decoded; deriving a scanning map of the block to be decoded using scanning information of the reference transform block; and executing a reverse-scan on the transform coefficient of the block to be decoded using the derived scanning map. The present invention enhances image encoding/decoding efficiency. | 12-12-2013 |
20130336398 | METHOD AND DEVICE FOR INTRA-PREDICTION - The multi sample prediction method of the present invention comprises the steps of: determining a sample group consisting of a plurality of samples inside a decoding target block; determining a representative position corresponding to the sample group, inside the decoding target block; determining a representative prediction value for the sample group, on the basis of the determined representative position; and determining the determined representative prediction value as the final prediction value for each of the plurality of samples making up the sample group. The present invention enhances efficiency in encoding/decoding and reduces complexity thereof. | 12-19-2013 |
20140037004 | METHOD FOR ENCODING VIDEO INFORMATION AND METHOD FOR DECODING VIDEO INFORMATION, AND APPARATUS USING SAME - A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted. At the generating of the prediction information, the prediction information is generated by using the information on the coding unit neighboring to the current coding unit. | 02-06-2014 |
20140126645 | VIDEO ENCODING AND DECODING METHODS AND DEVICE USING SAME - The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit). | 05-08-2014 |
20140133559 | METHOD FOR ENCODING IMAGE INFORMATION AND METHOD FOR DECODING SAME - The present invention relates to a method for encoding image information, to a method for decoding same, and to an apparatus using the methods. The method for decoding the image information according to one embodiment of the present invention comprises the steps of: dividing a prediction area into a first prediction area and a second prediction area according to an intra-prediction mode; performing intra prediction on, and restoration of, the first prediction area; and performing prediction on, and restoration of, the second prediction area. In the step of performing prediction on, and restoration of, the second prediction area, intra-prediction on the second prediction area can be performed with reference to a reference sample for the first prediction area or with reference to a predetermined sample in the restored first prediction area. | 05-15-2014 |
20140133560 | INTER PREDICTION METHOD AND APPARATUS FOR SAME - According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved. | 05-15-2014 |
20140140409 | INTER-PREDICTION METHOD AND APPARATUS FOR SAME - An inter-prediction method according to the present invention comprises the steps of: deriving motion information of a current block; and generating a prediction block for the current block on the basis of the derived motion information. According to the present invention, computational complexity can be reduced and encoding efficiency can be improved. | 05-22-2014 |
20140177711 | VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING THE SAME - Disclosed is technology associated with video encoding and decoding having a structure including one or more layers (quality, spatial, and view) and technology associated with a method that predicts an higher layer signal by using one or more reference layers in encoding and decoding an higher layer. In more detail, an interlayer prediction is capable of being performed by considering a characteristic of each layer by separating a spatial and quality reference layer list constituted by spatial and quality layers to be referred at the same view as a target layer and a view reference layer list constituted by the same spatial and quality layers as a target layer in encoding and decoding encoding and decoding pictures of an higher layer in encoding and decoding encoded and decoded pictures of the higher layer to improve encoding and decoding efficiency. | 06-26-2014 |
20140184741 | VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING THE SAME - The present invention is related to a method for moving the position of a base view from an arbitrary GOP (Group Of Pictures) start position to implement an efficient encoding structure in multi-view video encoding. The existing multi-view video encoding method exhibits low encoding efficiency when correlation between the base view and a dependent view is low, since the base view is assumed to be fixed. Moreover, in case the view in a live broadcasting program desired by a producer changes from the base view to another, the user has to consume more bit streams and decoder complexity than those consumed when decoding is performed with respect to the base view. Therefore, to alleviate the drawbacks of the existing multi-view video encoding method, the present invention provides a method for designing syntax elements by which the base view can be moved, thereby supporting an efficient encoding structure. | 07-03-2014 |
20140185671 | VIDEO ENCODING AND DECODING METHOD AND APPARATUS USING THE SAME - Disclosed is a video decoding method supporting a plurality of layers including: decoding a first layer which is referred by a target block of a second layer to be decoded; determining a size of the target block of the second layer which uses information on the first layer; and performing prediction for the target block by using the information on the first layer according to a determined result. | 07-03-2014 |
20140185673 | METHOD AND APPARATUS FOR IMAGE ENCODING/DECODING - This document discloses a method and apparatus for image encoding/decoding which support multiple layers. The method for image decoding comprises analyzing a video parameter set (VPS) extension for layer dependency on a current layer, analyzing slices for layer dependency on a current slice by determining whether not to apply layer dependency to the current slice or to apply new layer dependency to the current slice, the new layer dependency determining within a range of layer dependency analyzed from the VPS extension, and constructing a reference picture list about the current layer based on at least one of layer dependency analyzed from the VPS extension and layer dependency analyzed from the slice. | 07-03-2014 |
20140192873 | IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved. | 07-10-2014 |
20140204998 | IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved. | 07-24-2014 |
20140205000 | IMAGE ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved. | 07-24-2014 |
20140219337 | METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR - Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or a transform unit (TU) supports constrained offset compensation; receives, from the encoder, a second indicator indicating whether constrained sample adaptive offset (SAO) compensation or an adaptive loop filter (ALF) is applied; receives a parameter from the encoder; and applies the SAO compensation or the ALF to pixels of a restored image on the basis of the second indicator and the parameter. | 08-07-2014 |
20140286396 | METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR - Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or a transform unit (TU) supports constrained offset compensation; receives, from the encoder, a second indicator indicating whether constrained sample adaptive offset (SAO) compensation or an adaptive loop filter (ALF) is applied; receives a parameter from the encoder; and applies the SAO compensation or the ALF to pixels of a restored image on the basis of the second indicator and the parameter. | 09-25-2014 |
20140348241 | METHOD FOR INDUCING PREDICTION MOTION VECTOR AND APPARATUSES USING SAME - Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector. | 11-27-2014 |
20150350645 | METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR - Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or a transform unit (TU) supports constrained offset compensation; receives, from the encoder, a second indicator indicating whether constrained sample adaptive offset (SAO) compensation or an adaptive loop filter (ALF) is applied; receives a parameter from the encoder; and applies the SAO compensation or the ALF to pixels of a restored image on the basis of the second indicator and the parameter. | 12-03-2015 |
20150350685 | METHOD FOR ENCODING AND DECODING IMAGES BASED ON CONSTRAINED OFFSET COMPENSATION AND LOOP FILTER, AND APPARATUS THEREFOR - Provided are a method and apparatus for encoding and decoding images based on constrained offset compensation and a loop filter. The image decoding apparatus: receives, from an encoder, a first indicator indicating whether a sequence, a picture, a frame, a slice, a coding unit (CU), a prediction unit (PU), and/or a transform unit (TU) supports constrained offset compensation; receives, from the encoder, a second indicator indicating whether constrained sample adaptive offset (SAO) compensation or an adaptive loop filter (ALF) is applied; receives a parameter from the encoder; and applies the SAO compensation or the ALF to pixels of a restored image on the basis of the second indicator and the parameter. | 12-03-2015 |
20160044336 | METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER - Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction comprises the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter. | 02-11-2016 |
20160044337 | METHOD AND APPARATUS FOR PERFORMING INTRA-PREDICTION USING ADAPTIVE FILTER - Provided is a method and apparatus for performing intra-prediction using an adaptive filter. The method for performing intra-prediction comprises the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring block; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply the second filter. | 02-11-2016 |