公开(公告)号：WO2013005967A3

公开(公告)日：2013-03-14

申请号：PCT/KR2012005252

申请日：2012-07-02

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

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

CPC classification number: H04N19/11

Abstract: The present invention relates to a method for encoding image information, to a method for decoding same, and to an apparatus using the methods. The method for decoding the image information according to one embodiment of the present invention comprises the steps of: dividing a prediction area into a first prediction area and a second prediction area according to an intra-prediction mode; performing intra prediction on, and restoration of, the first prediction area; and performing prediction on, and restoration of, the second prediction area. In the step of performing prediction on, and restoration of, the second prediction area, intra-prediction on the second prediction area can be performed with reference to a reference sample for the first prediction area or with reference to a predetermined sample in the restored first prediction area.

Abstract translation: 本发明涉及图像信息的编码方法，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用于解码图像信息的方法包括以下步骤：根据帧内预测模式将预测区域划分为第一预测区域和第二预测区域; 对第一预测区域进行帧内预测和恢复; 对第二预测区域进行预测和恢复。 在对第二预测区域进行预测和恢复的步骤中，可以参照第一预测区域的参考样本或参照恢复的第一预测区域中的预定样本来执行第二预测区域的帧内预测 预测区域。

公开(公告)号：WO2012115434A3

公开(公告)日：2012-12-20

申请号：PCT/KR2012001311

申请日：2012-02-21

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 ,  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 ,  CHOI HAE CHUL

IPC: H04N7/32

CPC classification number: H04N19/573

Abstract: Disclosed are a method for encoding and decoding images using a plurality of reference images and a device using the method. The decoding method comprises the steps of: decoding predictive direction information; and decoding reference picture index information on the basis of said predictive direction information. Thus, the invention can increase an encoding efficiency by reducing the number of reference picture indexes.

Abstract translation: 公开了一种使用多个参考图像对图像进行编码和解码的方法以及使用该方法的设备。 解码方法包括以下步骤：解码预测方向信息; 以及基于所述预测方向信息对参考图片索引信息进行解码。 因此，本发明可以通过减少参考图片索引的数量来提高编码效率。

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。

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。