公开(公告)号：WO2012099433A3

公开(公告)日：2012-12-06

申请号：PCT/KR2012000540

申请日：2012-01-20

Applicant: KOREA ELECTRONICS TELECOMM ,  KIM JONG HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： KIM JONG HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/26

CPC classification number: H04N19/1887 ,  H04N19/61 ,  H04N19/91

Abstract: Disclosed is an entropy coding method using an index mapping table, and an apparatus using the method. An image-decoding 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.

Abstract translation: 公开了使用索引映射表的熵编码方法和使用该方法的装置。 图像解码方法包括：参照反码字映射表将输入的码字映射到码号，并计算表索引中的映射码数的步骤; 以及基于代码号的出现次数，代码号的顺序出现次数，相邻块编码/解码信息和/或用于更新反向索引映射的阈值信息来更新反向映射表的步骤 表。 根据本发明，基于特定条件重新分配索引映射表，从而提高编码/解码效率。

公开(公告)号：WO2012081949A3

公开(公告)日：2012-09-07

申请号：PCT/KR2011009772

申请日：2011-12-19

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/36

CPC classification number: H04N19/51 ,  H04N19/52 ,  H04N19/70

Abstract: 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.

Abstract translation: 根据本发明的帧间预测方法包括：用于导出与当前图片中的待解码单元有关的参考运动信息的步骤; 以及使用已经导出的参考运动信息来对要解码的单元执行运动补偿的步骤。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：WO2012067412A3

公开(公告)日：2012-07-12

申请号：PCT/KR2011008724

申请日：2011-11-15

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  PARK SEA NAE ,  RYU EUN KYUNG ,  OH SEOUNG JUN ,  PARK GWANG HOON

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  PARK SEA NAE ,  RYU EUN KYUNG ,  OH SEOUNG JUN ,  PARK GWANG HOON

IPC: H04N7/26

CPC classification number: H03M7/3079 ,  H04N19/91

Abstract: 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.

Abstract translation: 本发明涉及熵编码方法，包括以下步骤：使用基于从编码器接收的比特流导出的更新信息来更新概率信息; 基于更新的概率信息导出与当前码字对应的bin; 并执行导出的bin的逆二值化以获取语法元素。 根据本发明，可以提高视频编码/解码效率。

公开(公告)号：WO2011139121A3

公开(公告)日：2012-03-08

申请号：PCT/KR2011003401

申请日：2011-05-06

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  LIM SUNG CHANG ,  LEE HA HYUN ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  KIM JONG HO ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  OH SEOUNG JUN ,  PARK GWANG HOON ,  PARK SEA NAE ,  JEON CHAN WOONG

Inventor： LIM SUNG CHANG ,  LEE HA HYUN ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  KIM JONG HO ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  SIM DONG GYU ,  OH SEOUNG JUN ,  PARK GWANG HOON ,  PARK SEA NAE ,  JEON CHAN WOONG

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/117 ,  H04N19/109 ,  H04N19/132 ,  H04N19/159 ,  H04N19/17 ,  H04N19/174 ,  H04N19/192 ,  H04N19/46 ,  H04N19/50 ,  H04N19/593 ,  H04N19/82

Abstract: 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.

Abstract translation: 本发明涉及通过跳过编码对图像进行编码和解码的装置和方法。 执行帧内预测的通过跳过编码的图像编码方法包括：对编码对象图像中的编码对象信号之前重构的信号进行滤波处理; 使用滤波后的重构信号生成编码对象信号的预测信号; 将生成的预测信号设置为编码对象信号的重构信号; 并且不对基于编码对象信号和预测信号之间的差异可以产生的残差信号进行编码，从而对编码对象信号执行跳过编码。

公开(公告)号：WO2012057583A2

公开(公告)日：2012-05-03

申请号：PCT/KR2011008167

申请日：2011-10-28

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KYUNG HEE UNIV IND COOP GROUP ,  JEONG SE YOON ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHO SUK HEE ,  LEE JIN HO ,  LEE HA HYUN ,  KIM JONG HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  LEE HAN SOO

Inventor： JEONG SE YOON ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHO SUK HEE ,  LEE JIN HO ,  LEE HA HYUN ,  KIM JONG HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  LEE HAN SOO

IPC: H04N7/32 ,  H04N7/26

CPC classification number: H04N19/00587 ,  H04N19/46 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/61 ,  H04N19/70

Abstract: 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.

Abstract translation: 本发明涉及一种用于编码和解码视频信息的方法和设备。 根据本发明的视频信息编码方法包括：对当前块执行预测的步骤; 以及对预测信息进行熵编码并发送编码信息的步骤。 执行预测的步骤包括：从当前块的相邻块获取关于相邻块的运动信息的步骤; 以及基于所获取的运动信息确定关于当前块的运动信息的步骤。 发送步骤还涉及发送预测当前块所需的信息。 根据本发明，可以减少视频压缩的复杂度和传输的信息的数量。

公开(公告)号：WO2012005537A3

公开(公告)日：2012-04-19

申请号：PCT/KR2011005001

申请日：2011-07-08

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE HA HYUN ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  KIM JONG HO ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KO SUNG JEA ,  JUNG SEUNG WON ,  YOON YEO JIN

Inventor： LEE HA HYUN ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  KIM JONG HO ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KO SUNG JEA ,  JUNG SEUNG WON ,  YOON YEO JIN

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/61 ,  H04N19/105 ,  H04N19/176

Abstract: Provided are a method and an apparatus for encoding images using template matching and a method and an apparatus for decoding images. The method for encoding the images can determine a template of an encoding target block and can determine a matching search target image for performing a matching search with the determined template among the recovered reference images. In addition, an optimum prediction block can be determined on the basis of the determined matching search target image and the template of the encoding target block.

Abstract translation: 提供了一种使用模板匹配对图像进行编码的方法和装置，以及用于对图像进行解码的方法和装置。 用于编码图像的方法可以确定编码目标块的模板，并且可以确定用于在恢复的参考图像中与所确定的模板执行匹配搜索的匹配搜索目标图像。 此外，可以基于确定的匹配搜索目标图像和编码目标块的模板来确定最佳预测块。

公开(公告)号：WO2012036436A2

公开(公告)日：2012-03-22

申请号：PCT/KR2011006726

申请日：2011-09-09

Applicant: KOREA ELECTRONICS TELECOMM ,  INDUSTRY ACADEMIC COOPERATION FOUNDATION HANBAT NATIOANL UNIV ,  LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  CHOI HAE CHUL

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  KIM JONG HO ,  LEE HA HYUN ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  CHOI HAE CHUL

IPC: H04N7/26

CPC classification number: H04N19/31 ,  H04N19/33 ,  H04N19/44 ,  H04N19/91

Abstract: 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.

Abstract translation: 提供了一种熵解码方法。 根据本发明的熵解码方法包括以下步骤：使用至少关于相关层的上下文信息或关于其他层的上下文信息来绘制关于要解码的符号的上下文信息; 以及使用所绘制的上下文信息对所述符号执行熵解码。 根据本发明，可以提高图像压缩效率。

公开(公告)号：WO2012087042A3

公开(公告)日：2012-09-07

申请号：PCT/KR2011009971

申请日：2011-12-22

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE YONG JU ,  LEE TAE JIN ,  KANG KYEONG OK ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LEE YONG JU ,  LEE TAE JIN ,  KANG KYEONG OK ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/24 ,  H04N21/434

CPC classification number: G10L19/167 ,  G10L19/008 ,  G10L19/20 ,  H04H20/89 ,  H04H20/95 ,  H04N21/2335 ,  H04N21/4394 ,  H04N21/8106

Abstract: Provided are a broadcast transmitting apparatus and a broadcast transmitting method for providing an object-based audio using multi-channel audio encoding and decoding, and a broadcast playback apparatus and a broadcast playback method. The broadcast transmitting apparatus may generate audio identification information for identifying whether a multi-channel audio signal is an object-based audio signal. Then, if the multi-channel audio signal is identified as an object-based audio signal based on the audio identification information, the broadcast playback apparatus may control multi-channel audio signals for each channel and output the signals.

Abstract translation: 提供了一种广播发送装置和广播发送方法，用于使用多声道音频编码和解码提供基于对象的音频，以及广播回放装置和广播回放方法。 广播发送装置可以生成用于识别多声道音频信号是否是基于对象的音频信号的音频识别信息。 然后，如果基于音频识别信息将多声道音频信号识别为基于对象的音频信号，则广播回放装置可以控制每个声道的多声道音频信号并输出​​信号。

公开(公告)号：WO2012044116A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007261

申请日：2011-09-30

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE HA HYUN ,  KIM HUI YONG ,  LIM SUNG CHANG ,  JEONG SE YOON ,  KIM JONG HO ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KO SUNG JEA ,  YOON YEO JIN ,  BYUN KEUN YUNG

Inventor： LEE HA HYUN ,  KIM HUI YONG ,  LIM SUNG CHANG ,  JEONG SE YOON ,  KIM JONG HO ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KO SUNG JEA ,  YOON YEO JIN ,  BYUN KEUN YUNG

IPC: H04N7/32 ,  H04N7/26

CPC classification number: H04N19/82

Abstract: 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.

Abstract translation: 提供了一种用于编码/解码视频的方法和设备。 本发明的方法和设备涉及生成要解码的块的第一预测块，基于与第一预测块相邻的块来计算滤波器系数，并且使用滤波器系数对第一预测块执行滤波 以便如果与过滤性能有关的信息指示应该执行过滤，则生成第二预测块。 根据本发明，提高了视频预测和编码性能的准确性。

公开(公告)号：WO2011126349A2

公开(公告)日：2011-10-13

申请号：PCT/KR2011002514

申请日：2011-04-11

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE JIN HO ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  LEE HA HYUN ,  KIM JONG HO ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

Inventor： LEE JIN HO ,  KIM HUI YONG ,  JEONG SE YOON ,  CHO SUK HEE ,  LEE HA HYUN ,  KIM JONG HO ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK

IPC: H04N7/32

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/117 ,  H04N19/136 ,  H04N19/147 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/82

Abstract: 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.

Abstract translation: 提供了一种使用自适应滤波器来执行帧内预测的方法和装置。 用于执行帧内预测的方法包括以下步骤：基于当前块的相邻块的信息，确定是否对参考像素值应用第一滤波器; 当确定施加第一过滤器时，将第一过滤器应用于参考像素值; 基于参考像素值对当前块执行帧内预测; 根据相邻块的信息，根据帧内预测性能来预测是否根据当前块的各预测模式对预测值应用第二滤波器; 以及当确定应用所述第二滤波器时，根据当前块的每个预测模式对所述预测值应用所述第二滤波器。