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：WO2011074924A3

公开(公告)日：2011-11-03

申请号：PCT/KR2010009092

申请日：2010-12-17

Applicant: KOREA ELECTRONICS TELECOMM ,  JEONG SE YOON ,  KIM HUI YONG ,  CHOI HAE CHUL ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  KIM JONG HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  HONG JIN WOO

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

IPC: H04N7/26

CPC classification number: H04N19/117

Abstract: 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.

Abstract translation: 公开了一种视频编码/解码方法和装置。 视频编码方法可以包括以下步骤：建立对应于当前图像的自适应滤波器; 将以这种方式建立的自适应滤波器与包含在滤波器列表中的至少一个现有自适应滤波器相比较; 基于比较结果确定是否将以所述方式建立的自适应滤波器添加到自适应滤波器列表; 并且通过使用包含在过滤器列表中的自适应滤波器对当前图像进行编码。 这样可以提高编码效率。

公开(公告)号：WO2011074896A2

公开(公告)日：2011-06-23

申请号：PCT/KR2010009026

申请日：2010-12-16

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM SUNG CHANG ,  KIM JONG HO ,  CHOI HAE CHUL ,  KIM HUI YONG ,  LEE HA HYUN ,  LEE JIN HO ,  JEONG SE YOON ,  CHO SUK HEE ,  CHOI JIN SOO ,  HONG JIN WOO ,  KIM JIN WOONG

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

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/105 ,  H04N19/11 ,  H04N19/157 ,  H04N19/176 ,  H04N19/46 ,  H04N19/503 ,  H04N19/593

Abstract: 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.

Abstract translation: 提供了一种图像编码方法和设备。 当对切片内的块执行图像编码时，切片的恢复块中的至少一个块被设置为参考块。 当完成时，区分参考块的编码参数，并基于编码参数自适应编码待编码块。

公开(公告)号：WO2010039000A3

公开(公告)日：2013-01-03

申请号：PCT/KR2009005647

申请日：2009-10-01

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  CHOI HAE CHUL ,  JEONG SE YOON ,  LIM SUNG-CHANG ,  CHOI JIN SOO ,  HONG JIN WOO ,  SIM DONG GYU ,  OH SEOUNG-JUN ,  AHN CHANG-BEOM ,  PARK GWANG HOON ,  KOOK SEUNG RYONG ,  PARK SEA-NAE ,  JEONG KWANG-SU

Inventor： CHOI HAE CHUL ,  JEONG SE YOON ,  LIM SUNG-CHANG ,  CHOI JIN SOO ,  HONG JIN WOO ,  SIM DONG GYU ,  OH SEOUNG-JUN ,  AHN CHANG-BEOM ,  PARK GWANG HOON ,  KOOK SEUNG RYONG ,  PARK SEA-NAE ,  JEONG KWANG-SU

IPC: H04N7/50

CPC classification number: H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/132 ,  H04N19/157 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/463 ,  H04N19/50 ,  H04N19/587 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625 ,  H04N19/70 ,  H04N19/96

Abstract: The present invention relates to an image encoding and decoding technique, and more particularly, to an image encoder and decoder using unidirectional prediction. The image encoder includes a dividing unit to divide a macro block into a plurality of sub-blocks, a unidirectional application determining unit to determine whether an identical prediction mode is applied to each of the plurality of sub-blocks, and a prediction mode determining unit to determine a prediction mode with respect to each of the plurality of sub-blocks based on a determined result of the unidirectional application determining unit.

Abstract translation: 本发明涉及图像编码和解码技术，更具体地说，涉及使用单向预测的图像编码器和解码器。 图像编码器包括将宏块划分为多个子块的分割单元，单向应用确定单元，用于确定是否将相同的预测模式应用于多个子块中的每一个;以及预测模式确定单元 基于所述单向应用确定单元的确定结果来确定关于所述多个子块中的每一个的预测模式。

公开(公告)号：WO2012118359A3

公开(公告)日：2012-12-13

申请号：PCT/KR2012001620

申请日：2012-03-05

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

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

IPC: H04N7/26

CPC classification number: H04N19/124 ,  H04N19/134

Abstract: 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.

Abstract translation: 公开了一种用于确定色差分量量化参数的方法和使用该方法的设备。 用于解码图像的方法可以包括以下步骤：基于变换单元的大小信息解码色差分量量化参数偏移; 并且基于解码的色差分量量化参数偏移来计算色差分量量化参数索引。 因此，本发明通过在执行量化时根据变换单元的大小应用不同的色差分量量化参数来实现有效量化。

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：WO2012105807A2

公开(公告)日：2012-08-09

申请号：PCT/KR2012000770

申请日：2012-01-31

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

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

IPC: H04N19/51

CPC classification number: H04N19/00733 ,  H04N19/426 ,  H04N19/44 ,  H04N19/513 ,  H04N19/61

Abstract: 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.

Abstract translation: 本发明涉及一种使用运动矢量对图像进行编码/解码的方法和设备。 根据本发明的一个实施例，提供了一种图像解码方法。 该图像解码方法包括以下步骤：剪切具有预定动态范围的参考图片的运动矢量，以生成剪切后的运动矢量; 将剪切的运动矢量存储在缓冲器中; 使用存储在缓冲器中的运动矢量导出要解码的块的运动矢量; 并使用要解码的块的运动矢量执行帧间预测解码。 根据本发明，可以减少存储运动矢量所需的存储空间的大小。

公开(公告)号：WO2012074331A3

公开(公告)日：2012-07-26

申请号：PCT/KR2011009319

申请日：2011-12-02

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE BONG HO ,  CHEONG WON SIK ,  YUN KUG JIN ,  LEE EUNG DON ,  JEONG SE YOON ,  HUR NAM HO ,  CHOI JIN SOO ,  LEE SOO IN ,  KIM JIN WOONG

Inventor： LEE BONG HO ,  CHEONG WON SIK ,  YUN KUG JIN ,  LEE EUNG DON ,  JEONG SE YOON ,  HUR NAM HO ,  CHOI JIN SOO ,  LEE SOO IN ,  KIM JIN WOONG

IPC: H04N7/24 ,  H04N13/00

CPC classification number: H04N13/0059 ,  H04N13/0066 ,  H04N21/2362 ,  H04N21/4345 ,  H04N21/816

Abstract: Provided are a method and an apparatus for transmitting stereoscopic video information capable of providing a stereoscopic video service. The method for transmitting stereoscopic video information comprises the steps of: creating a signaling table including video-related information; and transmitting the signaling table and the video, wherein the signaling table can include stream type information, a stereoscopic program information descriptor and/or a stereoscopic additional video stream descriptor, of the image

Abstract translation: 提供了一种用于发送能够提供立体视频服务的立体视频信息的方法和设备。 用于发送立体视频信息的方法包括以下步骤：创建包括视频相关信息的信令表; 以及发送信令表和视频，其中信令表可以包括图像的流类型信息，立体节目信息描述符和/或立体附加视频流描述符