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：WO2011078562A2

公开(公告)日：2011-06-30

申请号：PCT/KR2010009168

申请日：2010-12-21

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KWANGWOON IND ACAD COLLAB ,  LEE JIN HO ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  CHOI HAE CHUL ,  LEE HA HYUN ,  KIM JONG HO ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  HONG JIN WOO ,  OH SEOUNG JUN ,  SIM DONG GYU ,  PARK GWANG HOON ,  LEE YEO SONG ,  KIM JI EON

Inventor： LEE JIN HO ,  JEONG SE YOON ,  KIM HUI YONG ,  CHO SUK HEE ,  CHOI HAE CHUL ,  LEE HA HYUN ,  KIM JONG HO ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  HONG JIN WOO ,  OH SEOUNG JUN ,  SIM DONG GYU ,  PARK GWANG HOON ,  LEE YEO SONG ,  KIM JI EON

CPC classification number: H04N19/11 ,  H04N19/46

Abstract: Disclosed are intra-predictive coding and decoding methods, and intra-predictive coding and decoding devices for performing the methods. According to the present invention, by performing intra-prediction on a current block using neighboring blocks which have been previously coded and then transmitted, overhead related to a bit of an intra-prediction mode is decreased, and thus compression rate can be enhanced.

Abstract translation: 公开了用于执行方法的帧内预测编码和解码方法以及预测编码和解码装置。 根据本发明，通过使用已经预先编码然后发送的相邻块对当前​​块执行帧内预测，​​减少与帧内预测模式的比特相关的开销，从而可以提高压缩率。

公开(公告)号：WO2012150849A3

公开(公告)日：2013-03-21

申请号：PCT/KR2012003540

申请日：2012-05-04

Applicant: KOREA ELECTRONICS TELECOMM ,  LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

Inventor： LEE JIN HO ,  KIM HUI YONG ,  LIM SUNG CHANG ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/82 ,  H04N19/117 ,  H04N19/159 ,  H04N19/46

Abstract: The present invention relates to a video encoding/decoding method, and more particularly, to an error resilient loop filtering method, and a signaling method thereof. According to one embodiment of the present invention, provided is a video decoding method including: a step of determining whether a Constrained Intra Prediction (CIP) mode is used; a step of determining decoding parameters of blocks located on both sides of a boundary to be filtered; and a step of deciding whether an in-loop filter is applied to samples located on both sides of the boundary to be filtered, on the basis of the use/non-use of the CIP mode and the decoding parameters of the blocks located on both sides of the boundary to be filtered.

Abstract translation: 视频编码/解码方法技术领域本发明涉及视频编码/解码方法，更具体地说，涉及一种错误弹性环路滤波方法及其信令方法。 根据本发明的一个实施例，提供一种视频解码方法，包括：确定是否使用约束内预测（CIP）模式的步骤; 确定位于待滤波边界两侧的块的解码参数的步骤; 以及基于使用/不使用CIP模式和位于两者上的块的解码参数来决定是否将内置过滤器应用于位于待过滤边界两侧的样本的步骤 要过滤的边界的边。

公开(公告)号：WO2013005966A3

公开(公告)日：2013-03-14

申请号：PCT/KR2012005251

申请日：2012-07-02

Applicant: KOREA ELECTRONICS TELECOMM ,  LIM SUNG CHANG ,  KIM HUI YONG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  LEE SANG YONG

Inventor： LIM SUNG CHANG ,  KIM HUI YONG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  LEE SANG YONG

IPC: H04N7/26

CPC classification number: H04N19/56 ,  H04N19/176 ,  H04N19/517

Abstract: 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).

Abstract translation: 本发明涉及视频编码/解码方法和装置，其中根据本发明的视频编码方法包括以下步骤：获取外围块的信息; 基于外围块的信息设置关于当前块的信息; 以及基于所设置的信息对当前块进行编码，其中当前块和外围块可以是CU（编码单元）。

公开(公告)号：WO2013009104A3

公开(公告)日：2013-03-07

申请号：PCT/KR2012005531

申请日：2012-07-12

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV KYUNG HEE UNIV IND COOP GROUP ,  KIM HUI YONG ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  KIM SANG MIN ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

Inventor： KIM HUI YONG ,  PARK GWANG HOON ,  KIM KYUNG YONG ,  KIM SANG MIN ,  LIM SUNG CHANG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG

IPC: H04N7/32 ,  H04N7/36

CPC classification number: H04N19/52

Abstract: 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.

Abstract translation: 根据本发明，图像编码装置包括：运动预测单元，其以包括L0运动信息和L1运动信息的运动信息的形式导出关于当前块的运动信息; 运动补偿单元，其基于L0运动信息和L1运动信息中的至少一个对当前块执行运动补偿，以生成与当前块相对应的预测块; 以及恢复块生成单元，其基于预测块生成与当前块对应的恢复块。 根据本发明，可以提高图像编码效率。

公开(公告)号：WO2012118358A3

公开(公告)日：2012-12-20

申请号：PCT/KR2012001618

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 ,  H04N7/30

CPC classification number: H04N19/129 ,  H04N19/176

Abstract: 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.

Abstract translation: 用于扫描本发明的变换系数的方法包括以下步骤：确定要解码的块的参考变换块; 使用所述参考变换块的扫描信息导出要解码的块的扫描图; 并使用导出的扫描图对要解码的块的变换系数执行反向扫描。 本发明提高了图像编码/解码效率。

公开(公告)号：WO2012121575A3

公开(公告)日：2012-11-01

申请号：PCT/KR2012001791

申请日：2012-03-12

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

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

IPC: H04N7/32 ,  H04N7/34

CPC classification number: H04N19/11

Abstract: 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.

Abstract translation: 本发明的多样本预测方法包括以下步骤：确定由解码目标块内的多个样本组成的采样组; 在所述解码目标块内确定与所述采样组对应的代表位置; 基于确定的代表性位置确定样本组的代表性预测值; 并且将所确定的代表性预测值确定为构成样本组的多个样本中的每一个的最终预测值。 本发明提高了编码/解码的效率，降低了其复杂度。

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。