公开(公告)号：US20130251044A1

公开(公告)日：2013-09-26

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： H04N7/26

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。

公开(公告)号：US20130243088A1

公开(公告)日：2013-09-19

申请号：US13989126

申请日：2011-12-19

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： H04N7/36

CPC分类号： H04N19/52

摘要： An inter prediction method according to the present invention comprises: a step for deriving reference motion information related to a unit to be decoded in a current picture; and a step for performing motion compensation for the unit to be decoded, using the reference motion information that has been derived. According to the present invention, image encoding/decoding efficiency can be enhanced.

摘要翻译： 根据本发明的帧间预测方法包括：用于导出与当前图像中要解码的单元相关的参考运动信息的步骤; 以及使用已经导出的参考运动信息对要解码的单元执行运动补偿的步骤。 根据本发明，可以提高图像编码/解码效率。

公开(公告)号：US20130188740A1

公开(公告)日：2013-07-25

申请号：US13822582

申请日：2011-09-09

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 ,  Hae Chul Choi

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 ,  Hae Chul Choi

IPC分类号： H04N7/26

CPC分类号： H04N19/91 ,  H04N19/30

摘要： 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.

摘要翻译： 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：US20130177078A1

公开(公告)日：2013-07-11

申请号：US13822956

申请日：2011-09-30

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

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

IPC分类号： H04N7/26

CPC分类号： H04N19/176 ,  H04N19/117 ,  H04N19/147 ,  H04N19/44

摘要： 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.

摘要翻译： 提供了一种用于对视频进行编码/解码的方法和装置。 本发明的方法和装置涉及产生要解码的块的第一预测块，基于与第一预测块相邻的块计算滤波器系数，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当执行过滤，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：US20110150095A1

公开(公告)日：2011-06-23

申请号：US12976346

申请日：2010-12-22

申请人： Hae-Chul Choi ,  Se Yoon Jeong ,  Sukhee Cho ,  Hui Yong Kim ,  Jinho Lee ,  Hahyun Lee ,  Sung-Chang Lim ,  Jongho Kim ,  Jin Soo Choi ,  Jin Woo Hong ,  Jin Woong Kim

发明人： Hae-Chul Choi ,  Se Yoon Jeong ,  Sukhee Cho ,  Hui Yong Kim ,  Jinho Lee ,  Hahyun Lee ,  Sung-Chang Lim ,  Jongho Kim ,  Jin Soo Choi ,  Jin Woo Hong ,  Jin Woong Kim

IPC分类号： H04N11/02

CPC分类号： H04N19/52 ,  H04N19/172 ,  H04N19/176 ,  H04N19/513

摘要： Provided is an image encoding/decoding apparatus and method. The image encoding apparatus may include a motion vector prediction unit to perform a prediction with respect to an arbitrary motion vector of a current block within an image, using at least one of vector information of a motion vector corresponding to an adjacent block and vector information of a previous motion vector of the current block, and a differential determination unit to determine differential information of a motion vector of the current block based on the motion vector predicted in the motion vector prediction unit and an actual motion vector of the current block.

摘要翻译： 提供了一种图像编码/解码装置和方法。 图像编码装置可以包括运动矢量预测单元，使用与相邻块对应的运动矢量的矢量信息和矢量信息中的至少一个来执行关于图像内的当前块的任意运动矢量的预测 当前块的先前运动矢量，以及差分确定单元，用于基于运动矢量预测单元中预测的运动矢量和当前块的实际运动矢量来确定当前块的运动矢量的差分信息。

公开(公告)号：US10554982B2

公开(公告)日：2020-02-04

申请号：US16024190

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 ,  H04N19/126 ,  H04N19/18 ,  H04N19/46

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：US10419765B2

公开(公告)日：2019-09-17

申请号：US16023983

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 ,  H04N19/126 ,  H04N19/18 ,  H04N19/46

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：US10419752B2

公开(公告)日：2019-09-17

申请号：US13516863

申请日：2010-12-16

申请人： Sung Chang Lim ,  Jong Ho Kim ,  Hae Chul Choi ,  Hui Yong Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woo Hong ,  Jin Woong Kim

发明人： Sung Chang Lim ,  Jong Ho Kim ,  Hae Chul Choi ,  Hui Yong Kim ,  Ha Hyun Lee ,  Jin Ho Lee ,  Se Yoon Jeong ,  Suk Hee Cho ,  Jin Soo Choi ,  Jin Woo Hong ,  Jin Woong Kim

IPC分类号： H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/105 ,  H04N19/503 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593 ,  H04N19/11 ,  H04N19/157

摘要： 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.

公开(公告)号：US09699449B2

公开(公告)日：2017-07-04

申请号：US13808433

申请日：2011-08-17

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： H04N19/00 ,  H04N19/124 ,  H04N19/196 ,  H04N19/463 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/14 ,  H04N19/33

CPC分类号： H04N19/124 ,  H04N19/119 ,  H04N19/14 ,  H04N19/176 ,  H04N19/196 ,  H04N19/33 ,  H04N19/463 ,  H04N19/70

摘要： 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.

公开(公告)号：US09686543B2

公开(公告)日：2017-06-20

申请号：US14125840

申请日：2012-06-15

申请人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

发明人： Ha Hyun Lee ,  Jung Won Kang ,  Jin Soo Choi ,  Jin Woong Kim ,  Dong Gyu Sim ,  Hyo Min Choi ,  Jung Hak Nam

IPC分类号： H04N19/30 ,  H04N19/503

CPC分类号： H04N19/503 ,  H04N19/103 ,  H04N19/11 ,  H04N19/176 ,  H04N19/187 ,  H04N19/30 ,  H04N19/33 ,  H04N19/36 ,  H04N19/59

摘要： The present invention relates to a method and an apparatus for interlayer intra-prediction, and the method for interlayer intra-prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied.