公开(公告)号：WO2013039356A3

公开(公告)日：2013-05-16

申请号：PCT/KR2012007388

申请日：2012-09-14

Applicant: KOREA ELECTRONICS TELECOMM ,  UNIV SOGANG IND UNIV COOP FOUN ,  LIM SUNG CHANG ,  KIM HUI YONG ,  LEE JIN HO ,  CHOI JIN SOO ,  KIM JIN WOONG ,  KIM JAE GON ,  LEE SANG YONG ,  PARK UN KI

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

IPC: H04N19/51 ,  H04N19/139

CPC classification number: H04N19/56 ,  H04N19/105 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/70

Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.

Abstract translation: 公开了用于诱导预测运动矢量的方法和使用该方法的装置。 图像解码方法可以包括：从预测目标块的外围预测块确定与多个空间候选预测运动向量有关的信息的步骤; 以及基于与多个空间候选预测运动向量有关的信息来确定与时间候选预测运动向量有关的信息的步骤。 因此，本发明可以降低复杂度并且可以在诱导最佳预测运动向量时增强编码效率。

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：WO2012177053A3

公开(公告)日：2013-04-04

申请号：PCT/KR2012004883

申请日：2012-06-20

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: H04N19/593 ,  H04N19/105 ,  H04N19/117

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/117 ,  H04N19/122 ,  H04N19/136 ,  H04N19/137 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.

Abstract translation: 根据本发明，图像编码/解码方法包括以下步骤：对当前块执行帧内预测，​​以产生预测块; 基于当前块的帧内预测模式对预测块中的滤波目标像素执行滤波，以产生最终预测块; 并且基于与当前块对应的重构差分块和最终预测块来生成重建块。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：WO2012173449A3

公开(公告)日：2013-04-04

申请号：PCT/KR2012004807

申请日：2012-06-18

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

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

IPC: H04N7/26

CPC classification number: H04N19/90 ,  H04N19/61 ,  H04N19/96

Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to one embodiment of the present invention comprises the steps of: determining a bit depth value per PCM sample for a current block to which a pulse coding modulation (PCM) is applied; and signaling information on the bit depth per PCM sample, wherein the information on the bit depth per PCM sample may contain the value of a difference with a reference value of the bit depth per PCM sample for the current block.

Abstract translation: 本发明涉及一种视频编码方法，一种视频解码方法以及使用该方法的装置。 根据本发明的一个实施例的视频编码方法包括以下步骤：为应用脉冲编码调制（PCM）的当前块确定每个PCM采样的位深度值; 以及关于每个PCM样本的比特深度的信令信息，其中关于每个PCM样本的比特深度的信息可以包含与当前块的每个PCM样本的比特深度的参考值的差值。

公开(公告)号：WO2012177052A3

公开(公告)日：2013-02-28

申请号：PCT/KR2012004882

申请日：2012-06-20

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

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

IPC: H04N7/36

CPC classification number: H04N19/61 ,  H04N19/51

Abstract: An inter-prediction method according to the present invention comprises the steps of: deriving motion information of a current block; and generating a prediction block for the current block on the basis of the derived motion information. According to the present invention, computational complexity can be reduced and encoding efficiency can be improved.

Abstract translation: 根据本发明的帧间预测方法包括以下步骤：导出当前块的运动信息; 以及基于导出的运动信息生成当前块的预测块。 根据本发明，可以降低计算复杂度并且可以提高编码效率。

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。