Patent application number | Description | Published |
20090168891 | METHOD FOR CONTROLLING VIDEO ENCODING BIT RATE BASED ON TRANSPORT PACKET LENGTH, AND APPARATUS FOR CODING VIDEO USING THE SAME - Provided is a video encoding rate controlling method based on the length of a Transport Stream (TS) packet in a video coding apparatus, the method including the steps of: a) setting up an initial target bit quantity for a picture to be coded; b) calculating a length of a payload used to packetize a coded picture into TS packets; c) adjusting the target bit quantity based on the length of the payload; and d) controlling a rate based on the adjusted target bit quantity in the step c). | 07-02-2009 |
20100278234 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image which may effectively code the image and an apparatus for decoding an image which may decode the effectively coded image. The apparatus for coding the image includes: an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block; a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block; and coding unit to code an image included in the second image block based on the first waveform information and second waveform information. | 11-04-2010 |
20100329347 | METHOD AND APPARATUS FOR ENCODING AND DECODING VIDEO SIGNAL USING MOTION COMPENSATION BASED ON AFFINE TRANSFORMATION - A video encoding method and apparatus are provided. The video encoding method includes determining whether a current block includes an affine-transformation object having an affine transformation; if the current block includes an affine-transformation object, generating a prediction block by performing affine transformation-based motion compensation on the current block in consideration of an affine transformation of the affine-transformation object; and if the current block does not include any affine-transformation object, generating a prediction block by performing motion vector-based motion compensation on the current block using a motion vector of the current block. Therefore, it is possible to achieve high video encoding/decoding efficiency even when a block to be encoded or decoded includes an affine transformation. | 12-30-2010 |
20110149031 | STEREOSCOPIC IMAGE, MULTI-VIEW IMAGE, AND DEPTH IMAGE ACQUISITION APPARATUS AND CONTROL METHOD THEREOF - Provided is a camera apparatus, including: a camera unit including at least two cameras to acquire a stereoscopic image; a camera control unit to adjust a view angle of the at least two cameras and an interval between the at least two cameras; a depth information obtainment unit to obtain depth information from the stereoscopic image; and an intermediate image generator to generate an intermediate image based on the stereoscopic image and the depth information. | 06-23-2011 |
20110149153 | APPARATUS AND METHOD FOR DTV CLOSED-CAPTIONING PROCESSING IN BROADCASTING AND COMMUNICATION SYSTEM - An apparatus for extracting and creating a closed caption of a DTV stream in broadcasting and communication system, the apparatus comprising: a demultiplexer to receive the stream and demultiplex the received stream into additional information and a video stream; a decoder to receive and decode the video stream; an ST converter to receive PTS information, and convert PTS information into synchronization time information; a storage unit to store the demultiplexed additional information; an analyzer to receive the additional information and analyze CSD information; a closed caption extractor to receive the decoded data and the CSD information, and extract closed caption data; a closed caption file creator to create a closed caption file; a closed caption data processing unit to construct a segment-by-segment closed caption stream; a segmentation unit to construct a segment-by-segment stream; and a keyword search unit to provide the segment-by-segment stream corresponding to the keyword. | 06-23-2011 |
20110150321 | METHOD AND APPARATUS FOR EDITING DEPTH IMAGE - Provided is a method of editing a depth image, comprising: receiving a selection on a depth image frame to be edited and a color image corresponding to the depth image frame; receiving a selection on an interest object in the color image; extracting boundary information of the interest object; and correcting a depth value of the depth image frame using the boundary information of the interest object. | 06-23-2011 |
20110234769 | APPARATUS AND METHOD FOR DISPLAYING IMAGES IN IMAGE SYSTEM - An apparatus for displaying images in an image system includes: an encoder configured to encode color and depth images of at least one view received from a plurality of imaging devices and generate a reference image by synthesizing the encoded depth image of a current view and the encoded color and depth images before and after the current view based on a predetermined method; a decoder configured to decode a color image of the current view by using the generated reference image and decode the encoded color and depth images of at least one view; and a splitter configured to divide and split, based on each view, the decoded color and depth images of at least one view. | 09-29-2011 |
20110261254 | APPARATUS AND METHOD FOR CONTROLLING CONVERSION OF BROADCASTING PROGRAM BASED ON PROGRAM PROTECTION INFORMATION - Provided are an apparatus and method for controlling program conversion according to program protection information. The method for controlling conversion of a broadcasting program includes: demultiplexing a broadcasting program into broadcasting program data and program protection information; encrypting the broadcasting program data based on distribution condition of the program protection information when recordation of the broadcasting program data is requested; and recording the encrypted broadcasting program data. | 10-27-2011 |
20120062698 | APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM - Disclosed is an apparatus and method for transmitting/receiving reference image data and 3D additional image data in 3D image data so as to provide a 3D image in a digital broadcasting system. In the method, a basic image and a 3D additional image in a 3D image of a 3D broadcasting service is processed in a stereoscopic image format of one of a side-by-side method and a top-down method. The basic image and the 3D additional image processed in the stereoscopic image format are encoded to a basic image stream and a 3D additional image stream. The encoded basic image stream and the encoded 3D additional image stream are multiplexed to a 3D image stream of a single stream using a dual stream method, and the multiplexed 3D image stream is then transmitted. | 03-15-2012 |
20120212578 | METHOD AND APPARATUS OF CODING STEREOSCOPIC VIDEO - Disclosed are a method and an apparatus for coding a stereoscopic video. The method of coding a stereoscopic video includes coding an original reference image; performing preprocessing based on the original reference image, a decoded reference image, and an original additional image; coding the original addition image based on the original additional image and an improved decoding image obtained by performing the preprocessing; and performing postprocessing based on the original additional image and a decoded additional image. | 08-23-2012 |
20120274741 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING STEREOSCOPIC VIDEO - A method of receiving stereoscopic video according to the present invention includes receiving a bit stream including image information, extracting a base image stream corresponding to a base image and an additional image stream corresponding to an additional image from the bit stream, generating the base image and the additional image by decoding the base image stream and the additional image stream, respectively, and generating a left image and a right image by using at least one of the base image and the additional image. According to the present invention, | 11-01-2012 |
20130271568 | TRANSMITTING SYSTEM AND RECEIVING APPARATUS FOR PROVIDING HYBRID SERVICE, AND SERVICE PROVIDING METHOD THEREOF - A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a RF communication network; a second receiving unit that can be connected to an IP network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the IP communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data. | 10-17-2013 |
20130271657 | RECEIVING APPARATUS FOR PROVIDING HYBRID SERVICE, AND HYBRID SERVICE PROVIDING METHOD THEREOF - A receiving apparatus includes a first receiving unit that receives signaling information and a first signal comprising reference data through a radio frequency broadcast network; a control unit that detects a plurality of additional data source information from the signaling information; a second receiving unit that accesses an internet protocol communication network, and receives a second signal comprising additional data from a source apparatus corresponding to each of the plurality of additional data source information; a storage unit that stores the reference data contained in the first signal and the additional data contained in the second signal; and an output unit that processes, synchronizes and outputs each of the reference data and additional data. | 10-17-2013 |
20140112395 | METHOD AND APPARATUS FOR DECODER BUFFERING IN HYBRID CODED VIDEO SYSTEM - Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (T-STD) stipulated in the first video encoder and a buffer size of a second T-STD stipulated in the second video encoder. | 04-24-2014 |
20140160541 | HOLOGRAPHIC IMAGE IDENTIFICATION APPARATUS AND METHOD, AND HOLOGRAPHIC IMAGE SELECTIVE RECONSTRUCTION APPARATUS, METHOD AND SYSTEM - Disclosed is an apparatus for identifying authenticity of a holographic image, which is capable of identifying the authenticity by comparing a holographic image reconstructed by irradiating light having the same characteristic as an irradiation characteristic of a first reference beam used in generating the holographic image with an original image. Accordingly, since an image or a pattern is recorded by using a reference beam having a specific angle and a specific laser wavelength band in making a hologram, replication or copying for forgery is prevented from being easy. | 06-12-2014 |
20140165125 | BROADCASTING SYSTEM AND BROADCASTING METHOD OF PROVIDING MULTI-PICTURE - A broadcasting transmitting apparatus of providing a multi-picture may include a multi-picture generator configured to divide an acquired video into a first video and a second video; a first video encoder configured to encode the first video; a second video encoder configured to encode the second video; a multiplexer configured to multiplex the first and second videos to a single stream video; and a transmitter configured to modulate the multiplexed single stream video to transmit the modulated single stream video to a receiving apparatus through a broadcasting network. | 06-12-2014 |
20140177722 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information. | 06-26-2014 |
20140192871 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information. | 07-10-2014 |
20140192872 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information. | 07-10-2014 |
20140192878 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information. | 07-10-2014 |
20140215547 | METHOD AND SYSTEM FOR PROVIDING REALISTIC BROADCASTING IMAGE - A method of providing a realistic broadcasting image including an ultra high definition (UHD) image, the method including generating a first encoding stream from a high definition (HD) image, generating a second encoding stream from at least one of a UHD image and an image restored from the first encoding stream, generating a third encoding stream from at least one of the UHD image and an image restored from the second encoding stream, generating a first transmission stream by applying at least one of packetization, synchronization, and multiplying to the first encoding stream and the second encoding stream, generating a second transmission stream by applying at least one of packetization and synchronization to the third encoding stream, transmitting the first transmission stream via a first transmission channel, and transmitting the second transmission stream via a second transmission channel having a lower transmission capacity than the first transmission channel. | 07-31-2014 |
20140286415 | VIDEO ENCODING/DECODING METHOD AND APPARATUS FOR SAME - According to the present invention, a video decoding method comprises: a step of decoding a first bitstream corresponding to a base layer image based on first decoding information corresponding to the image that belongs to the view which is different from the view to which the base layer image belongs; and a step of decoding a second bitstream corresponding to an enhancement layer image based on second decoding information corresponding to the base layer image and third decoding information corresponding to the image that belongs to the view which is different from the view to which the enhancement layer image belongs. | 09-25-2014 |
20140344470 | METHOD AND APPARATUS FOR STREAMING SERVICE FOR PROVIDING SCALABILITY AND VIEW INFORMATION - A method and apparatus for a streaming service to provide scalability and view information are provided. When a scalable video or multi-view video is transmitted using a Moving Picture Experts Group-2 (MPEG-2) system, scalability information or view information regarding the scalable video or multi-view video in a payload may be used. Using the scalability information or view information, a packetized scalable video or multi-view video may be efficiently adapted to various terminal performances, various network characteristics, a specific user preference, and the like. | 11-20-2014 |
20140362676 | OPTICAL INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING SAME - The present invention relates to an optical information processing apparatus and to a method for controlling same. Provided is an optical information processing apparatus and a method for controlling same, the optical information processing apparatus comprising: a light source for irradiating light; an optical modulator for modulating the light irradiated from the light source; an optical system for collecting the light modulated by the optical modulator and enabling the modulated light to be incident to an optical medium; a stage on which the optical medium is placed; an optical detection unit for detecting the pattern of the light reflected from the optical medium; and a control unit for analyzing the pattern of the light detected by the optical detection unit so as to control the optical system and the location of the stage. | 12-11-2014 |
20150077515 | METHOD AND DEVICE FOR COMPENSATING FOR SYNCHRONIZATION BETWEEN LEFT AND RIGHT IMAGE FRAMES IN THREE-DIMENSIONAL IMAGING SYSTEM, AND REPRODUCTION DEVICE AND METHOD - An apparatus for compensating for synchronization between left and right image frames in a stereoscopic system includes a similarity calculating unit configured to calculate similarity between left and right image frames on the basis of a scene change point in time of the left and right image frames, a left and right image frame difference value extracting unit configured to search a stereoscopic pair on the basis of the similarity and extract a temporal frame difference value between the left and right image frames, and a left and right image frame synchronization compensating unit configured to perform synchronization by shifting any one of the the left and right image frames on a time axis on the basis of the left and right image frame difference value. | 03-19-2015 |
20150085928 | APPARATUS FOR CODING OR DECODING INTRA IMAGE BASED ON LINE INFORMATION OF REFERENCE IMAGE BLOCK - An apparatus for coding an image is provided to effectively code the image. The apparatus for coding the image includes an input image segmentation unit to segment an input image into a plurality of image blocks including a first image block and a second image block. The apparatus also includes a waveform information generation unit to select a plurality of reference pixels from among pixels included in the first image block, generate first waveform information about the first image block based on a pixel value difference between the selected plurality of reference pixels, and generate second waveform information about the second image block based on a pixel value difference between the pixels included in the second image block. The apparatus also includes a coding unit to code an image included in the second image block based on the first waveform information and the second waveform information. | 03-26-2015 |