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：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：WO2012087035A3

公开(公告)日：2012-09-07

申请号：PCT/KR2011009957

申请日：2011-12-21

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

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

IPC: H04N19/11 ,  H04N19/50

CPC classification number: H04N19/107 ,  H04N19/105 ,  H04N19/109 ,  H04N19/11 ,  H04N19/13 ,  H04N19/137 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/1887 ,  H04N19/196 ,  H04N19/50 ,  H04N19/52 ,  H04N19/521 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/91

Abstract: 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.

Abstract translation: 根据本发明的帧内预测方法包括以下步骤：从左相邻预测模式和顶相邻预测模式导出相邻预测模式信息; 使用所导出的相邻预测模式信息来导出用于要解码的目标单元的帧内预测模式; 并且基于帧内预测模式对要解码的目标单元执行帧内预测。 根据本发明，可以提高视频编码/解码效率。

公开(公告)号：WO2012044093A3

公开(公告)日：2012-05-31

申请号：PCT/KR2011007200

申请日：2011-09-29

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: H04N7/32 ,  H04N7/26

CPC classification number: H04N19/33 ,  H04N19/30 ,  H04N19/44 ,  H04N19/463 ,  H04N19/80

Abstract: 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.

Abstract translation: 提供了基于多层的可伸缩视频解码方法。 根据本发明的可伸缩视频解码方法包括：使用包含在对象层中的信息和/或包含在另一层中的信息来预测要滤波的视频的第一滤波器信息，并且根据该信息生成第二滤波器信息 与预测; 以及使用第二过滤器信息来过滤要过滤的视频的步骤。 根据本发明，传输的信息量减少，并且视频压缩性能提高。

公开(公告)号：WO2012023806A3

公开(公告)日：2012-05-10

申请号：PCT/KR2011006052

申请日：2011-08-17

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: H04N7/26

CPC classification number: H04N19/124 ,  H04N19/0009 ,  H04N19/119 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/70

Abstract: 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.

Abstract translation: 本发明涉及一种用于设置和编码量化参数的视频编码方法和装置，以及用于在使用具有不同大小和深度的块作为编码的视频编码和解码装置中解码和设置量化参数的视频解码方法和装置， 解码单元。

公开(公告)号：WO2012046996A2

公开(公告)日：2012-04-12

申请号：PCT/KR2011007326

申请日：2011-10-04

Applicant: KOREA ELECTRONICS TELECOMM ,  KOREA ADVANCED INST SCI & TECH ,  KIM JONG HO ,  KIM HUI YONG ,  JEONG SE YOON ,  LIM SUNG CHANG ,  LEE HA HYUN ,  LEE JIN HO ,  CHO SUK HEE ,  CHOI JIN SOO ,  KIM JIN WOONG ,  AHN CHIE TEUK ,  KIM MUN CHURL ,  LEE BUM SHIK

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

IPC: H04N7/24 ,  H04N7/26

CPC classification number: H04N19/44 ,  H04N19/18 ,  H04N19/46 ,  H04N19/593 ,  H04N19/60 ,  H04N19/64 ,  H04N19/70

Abstract: Disclosed are an encoding/decoding method of an intra prediction mode using two candidate intra prediction modes, and a device for using the same. The 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. Thus, the invention increases encoding/decoding efficiency and reduces complexity.

Abstract translation: 公开了使用两种候选帧内预测模式的帧内预测模式的编码/解码方法及其使用装置。 帧内预测模式的解码方法包括以下步骤：基于1比特信息确定本预测单元的帧内预测模式是否与第一候选帧内预测模式相同，或者作为第二候选帧内预测模式 ; 并且在所述第一候选帧内预测模式和所述第二候选帧内预测模式中，基于附加的1比特信息确定所述候选帧内预测模式与所述当前预测单元的帧内预测模式相同，如果帧内预测 本预测单元的模式与第一候选帧内预测模式或第二候选帧内预测模式中的至少一个相同，并且解码本预测单元的帧内预测模式。 因此，本发明提高了编码/解码效率，降低了复杂度。

公开(公告)号：WO2012044124A2

公开(公告)日：2012-04-05

申请号：PCT/KR2011007275

申请日：2011-09-30

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

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

IPC: H04N7/32

CPC classification number: G06T9/004 ,  H04N19/119 ,  H04N19/134 ,  H04N19/157 ,  H04N19/17 ,  H04N19/176 ,  H04N19/196 ,  H04N19/44 ,  H04N19/46 ,  H04N19/463 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

Abstract: 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.

Abstract translation: 本发明涉及图像编码和图像解码。 根据本发明的用于编码图像的方法包括以下步骤：从编码目标块的外围块获取关于外围块的划分信息; 基于所获取的划分信息来预测编码对象块的划分; 编码关于编码目标信息的实际分割信息与预测处理中预测的预测分割信息之间的差异的信息; 并传送编码信息。 本发明可以使用关于外围块的信息来对编码/解码目标块的划分信息进行编码/解码。