公开(公告)号：US10187643B2

公开(公告)日：2019-01-22

申请号：US16023670

申请日：2018-06-29

申请人： Hui Yong Kim ,  Sung Chang Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

发明人： Hui Yong Kim ,  Sung Chang Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim

IPC分类号： H04N19/18 ,  H04N19/46 ,  H04N19/126 ,  H04N19/167

摘要： Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block.

公开(公告)号：US20180310007A1

公开(公告)日：2018-10-25

申请号：US16024300

申请日：2018-06-29

申请人： Hui Yong KIM ,  Sung Chang LIM ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Gwang Hoon PARK ,  Kyung Yong KIM

发明人： Hui Yong KIM ,  Sung Chang LIM ,  Jin Ho LEE ,  Jin Soo CHOI ,  Jin Woong KIM ,  Gwang Hoon PARK ,  Kyung Yong KIM

IPC分类号： H04N19/167 ,  H04N19/18

摘要： Disclosed are a method and an apparatus for coding/decoding an image. The method for decoding the image comprises the steps of: deriving a scale factor of a current block, depending on whether the current block is a conversion skip block; and scaling the current block on the basis of the scale factor, wherein the scale factor of the current block is derived on the basis of the position of a conversion coefficient inside the current block, and wherein the conversion skip block is the current block to which conversion is not applied and is specified on the basis of information indicating whether to apply reconversion to the current block.

公开(公告)号：US09549204B2

公开(公告)日：2017-01-17

申请号：US13640014

申请日：2011-04-11

申请人： Jin Ho Lee ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Ha Hyun Lee ,  Jong Ho Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Jin Ho Lee ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Ha Hyun Lee ,  Jong Ho Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： H04N19/82 ,  H04N19/593 ,  H04N19/117 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182

CPC分类号： H04N19/593 ,  H04N19/105 ,  H04N19/117 ,  H04N19/136 ,  H04N19/147 ,  H04N19/157 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/82

摘要： 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.

摘要翻译： 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：US09544595B2

公开(公告)日：2017-01-10

申请号：US13877503

申请日：2011-10-04

申请人： Jong Ho Kim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Sung Chang Lim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Mun Churl Kim ,  Bum Shik Lee

发明人： Jong Ho Kim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Sung Chang Lim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn ,  Mun Churl Kim ,  Bum Shik Lee

IPC分类号： H04N19/593 ,  H04N19/60 ,  H04N19/70 ,  H04N19/46 ,  H04N19/44

CPC分类号： H04N19/44 ,  H04N19/18 ,  H04N19/46 ,  H04N19/593 ,  H04N19/60 ,  H04N19/64 ,  H04N19/70

摘要： Disclosed 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.

摘要翻译： 公开的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。

公开(公告)号：US09532042B2

公开(公告)日：2016-12-27

申请号：US14127617

申请日：2012-06-20

申请人： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

发明人： Hui Yong Kim ,  Gwang Hoon Park ,  Kyung Yong Kim ,  Sung Chang Lim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim

IPC分类号： H04B1/66 ,  H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/109 ,  H04N19/105 ,  H04N19/52 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176

CPC分类号： H04N19/159 ,  H04N19/105 ,  H04N19/109 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/139 ,  H04N19/15 ,  H04N19/176 ,  H04N19/52 ,  H04N19/61

摘要： 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.

摘要翻译： 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：US09462272B2

公开(公告)日：2016-10-04

申请号：US13991279

申请日：2011-12-13

申请人： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jong Ho Kim ,  Ha Hyun Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jong Ho Kim ,  Ha Hyun Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： H04N19/50 ,  H04N19/593 ,  H04N7/32 ,  H04N7/26

CPC分类号： H04N19/159 ,  H04N19/105 ,  H04N19/117 ,  H04N19/126 ,  H04N19/13 ,  H04N19/176 ,  H04N19/182 ,  H04N19/43 ,  H04N19/50 ,  H04N19/593 ,  H04N19/61

摘要： An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.

摘要翻译： 根据本发明的帧内预测方法包括以下步骤：使用位于当前块的左上角的当前块的相邻像素和左上角像素中的至少一个来执行方向预测，以获得 当前块的第一预测值; 使用位于当前块中的参考样本获取当前块的第二预测值; 并使用加权矩阵对第一预测值和第二预测值进行加权求和，以获得当前块的最终预测值。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：US09451281B2

公开(公告)日：2016-09-20

申请号：US14344105

申请日：2012-09-14

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Jae Gon Kim ,  Sang Yong Lee ,  Un Ki Park

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Jae Gon Kim ,  Sang Yong Lee ,  Un Ki Park

IPC分类号： H04N19/56 ,  H04N19/52 ,  H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70

CPC分类号： H04N19/56 ,  H04N19/105 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/70

摘要： 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.

摘要翻译： 公开了一种用于诱导预测运动矢量的方法及其使用方法。 图像解码方法可以包括：从预测的目标块的周边预测块确定与多个空间候选预测运动矢量相关的信息的步骤; 以及基于与多个空间候选预测运动矢量相关的信息来确定与时间候选预测运动矢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矢量时提高编码效率。

公开(公告)号：US09350993B2

公开(公告)日：2016-05-24

申请号：US13988958

申请日：2011-12-21

申请人： Ha Hyun Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jong Ho Kim ,  Jin Ho Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Ha Hyun Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jong Ho Kim ,  Jin Ho Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： H04N7/12 ,  G06K9/46 ,  H04N19/50 ,  H04N19/593 ,  H04N19/176 ,  H04N19/196 ,  H04N19/13 ,  H04N19/11 ,  H04N19/157 ,  H04N19/169 ,  H04N19/61

CPC分类号： 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

摘要： 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.

摘要翻译： 根据本发明的帧内预测方法包括以下步骤：从左邻近预测模式和顶邻近预测模式导出相邻预测模式信息; 使用导出的相邻预测模式信息来导出待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：US09332262B2

公开(公告)日：2016-05-03

申请号：US13983207

申请日：2012-06-20

申请人： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim

发明人： Jin Ho Lee ,  Hui Yong Kim ,  Sung Chang Lim ,  Jin Soo Choi ,  Jin Woong Kim

IPC分类号： H04N7/32 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/11 ,  H04N19/117 ,  H04N19/157 ,  H04N19/182 ,  H04N19/96

CPC分类号： 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

摘要： 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.

公开(公告)号：US09288491B2

公开(公告)日：2016-03-15

申请号：US13991243

申请日：2011-12-13

申请人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

发明人： Sung Chang Lim ,  Hui Yong Kim ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jong Ho Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Jin Soo Choi ,  Jin Woong Kim ,  Chie Teuk Ahn

IPC分类号： H04N7/12 ,  H04N19/50 ,  H04N19/503 ,  H04N19/44 ,  H04N19/52 ,  H04N19/597

CPC分类号： H04N19/44 ,  H04N19/50 ,  H04N19/503 ,  H04N19/52 ,  H04N19/597

摘要： An inter prediction method according to the present invention comprises the steps of: selecting candidate units from among reconstructed neighbor units; creating a candidate unit set with respect to units to be decoded, using the selected candidate units; determining a reference unit from among the candidate units which constitute the created candidate unit set; and performing inter prediction on the units to be decoded, using the determined reference unit. According to the present invention, image encoding/decoding efficiency can be improved.

摘要翻译： 根据本发明的帧间预测方法包括以下步骤：从重构的相邻单元中选择候选单元; 使用所选择的候选单元创建关于要解码的单元设置的候选单元; 从构成所创建的候选单元组的候选单元中确定参考单元; 以及使用所确定的参考单元对要解码的单元执行帧间预测。 根据本发明，可以提高图像编码/解码效率。