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21.发明授权公开(公告)号：US11539943B2
公开(公告)日：2022-12-27
申请号：US17319175
申请日：2021-05-13
申请人： Electronics and Telecommunications Research Institute , Industry—University Cooperation Foundation Korea Aerospace University , Hanbat National University Industry—Academic Cooperation Foundation
发明人： Jin Ho Lee , Sung Chang Lim , Jung Won Kang , Hyun Suk Ko , Ha Hyun Lee , Dong San Jun , Seung Hyun Cho , Hui Yong Kim , Jae Gon Kim , Do Hyeon Park , Jin Soo Choi , Hae Chul Choi
IPC分类号： H04N19/11 , H04N19/159 , H04N19/176 , G06F17/18 , H04N19/91 , H04N19/117 , H04N19/132 , H04N19/119 , H04N19/105 , H04N19/80 , H04N19/513 , H04N19/174 , H04N19/13
摘要： An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.
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公开(公告)号：US11509930B2
公开(公告)日：2022-11-22
申请号：US16301318
申请日：2017-07-12
发明人： Sung Chang Lim , Jung Won Kang , Hyun Suk Ko , Ha Hyun Lee , Dong San Jun , Jin Ho Lee , Seung Hyun Cho , Hui Yong Kim , Jin Soo Choi
IPC分类号： H04N19/583 , H04N19/51 , H04N19/105 , H04N19/176 , H04N19/96 , H04N19/132 , H04N19/577 , H04N19/196 , H04N19/513 , H04N19/463 , H04N19/56
摘要： The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.
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公开(公告)号：US11463690B2
公开(公告)日：2022-10-04
申请号：US17314192
申请日：2021-05-07
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , CHIPS & MEDIA, INC , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
发明人： Jin Ho Lee , Jung Won Kang , Ha Hyun Lee , Sung Chang Lim , Hui Yong Kim , Dae Yeon Kim , Yung Lyul Lee
IPC分类号： H04N19/11 , H04N19/176 , H04N19/18 , H04N19/46 , H04N19/593
摘要： The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise acquiring transform coefficients distribution information of a neighboring block from a bitstream; direction-adaptively determining an intra prediction mode of a current block to be decoded, according to the transform coefficients distribution information of the neighboring block; and reconstructing the current block, based on the determined intra prediction mode, wherein the direction-adaptively determining includes determining similarity flag information corresponding to the neighboring block, based on the transform coefficients distribution information of the neighboring block.
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公开(公告)号：US11457217B2
公开(公告)日：2022-09-27
申请号：US17251423
申请日：2019-06-12
申请人： Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
发明人： Jin Ho Lee , Jung Won Kang , Ha Hyun Lee , Sung Chang Lim , Hui Yong Kim , Jae Gon Kim , Do Hyeon Park , Yong Uk Yoon , Yung Lyul Lee
IPC分类号： H04N19/13 , H04N19/172 , H04N19/184
摘要： There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.
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公开(公告)号：US11350107B2
公开(公告)日：2022-05-31
申请号：US16764784
申请日：2018-11-16
发明人： Dong San Jun , Sung Chang Lim , Jung Won Kang , Hyun Suk Ko , Jin Ho Lee , Ha Hyun Lee , Hui Yong Kim
IPC分类号： H04N19/00 , H04N19/159 , H04N19/11 , H04N19/176
摘要： An image encoding/decoding method and apparatus for performing template matching-based intra prediction are provided. An image decoding method may comprise deriving a first intra-prediction mode for a current block, generating a first intra-prediction block corresponding to the first intra-prediction mode, deriving a second intra-prediction mode for the current block, generating a second intra-prediction block corresponding to the second intra-prediction mode, and generating a final intra-prediction block by using a weighted sum of the first intra-prediction block and the second intra-prediction block.
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公开(公告)号：US11336901B2
公开(公告)日：2022-05-17
申请号：US17021344
申请日：2020-09-15
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： H04N19/159 , H04N19/105 , H04N19/117 , H04N19/593 , H04N19/50 , H04N19/126 , H04N19/13 , H04N19/43 , H04N19/61 , H04N19/176 , H04N19/182
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.
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公开(公告)号：US11245917B2
公开(公告)日：2022-02-08
申请号：US16693118
申请日：2019-11-22
发明人： Jung Won Kang , Ha Hyun Lee , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC分类号： H04N19/52 , H04N19/593 , H04N19/30 , H04N19/597 , H04N19/50 , H04N19/503 , H04N19/70 , H04N19/33 , H04N19/31 , H04N19/34 , H04N19/36 , H04N19/187
摘要： According to the present invention, an image decoding method for supporting a plurality of layers includes the steps of: receiving and parsing layer-dependent information for reference layers that can be referenced by a current layer in an entire bitstream; when interlayer prediction is used in decoding a current picture in the current layer, receiving and parsing layer information for a reference layer referenced by the current picture among the reference layers; and decoding the current picture on the basis of the layer information.
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28.发明授权公开(公告)号：US11223839B2
公开(公告)日：2022-01-11
申请号：US16857758
申请日：2020-04-24
申请人： Electronics and Telecommunications Research Institute , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
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
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.
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公开(公告)号：US11206411B2
公开(公告)日：2021-12-21
申请号：US17072925
申请日：2020-10-16
申请人： Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
发明人： Hui Yong Kim , Gwang Hoon Park , Kyung Yong Kim , Sang Min Kim , Sung Chang Lim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC分类号： H04N19/00 , H04N19/159 , H04N19/52 , H04N19/436 , H04N19/593 , H04N19/503 , H04N19/105 , H04N19/117 , H04N19/122 , H04N19/124 , H04N19/13 , H04N19/15 , H04N19/51 , H04N19/61 , H04N19/176
摘要： The present invention relates to a method and device for sharing a candidate list. A method of generating a merging candidate list for a predictive block may include: producing, on the basis of a coding block including a predictive block on which a parallel merging process is performed, at least one of a spatial merging candidate and a temporal merging candidate of the predictive block; and generating a single merging candidate list for the coding block on the basis of the produced merging candidate. Thus, it is possible to increase processing speeds for coding and decoding by performing inter-picture prediction in parallel on a plurality of predictive blocks.
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公开(公告)号：US11202063B2
公开(公告)日：2021-12-14
申请号：US16336219
申请日：2017-09-22
发明人： Jin Ho Lee , Hyun Suk Ko , Jung Won Kang , Sung Chang Lim , Ha Hyun Lee , Dong San Jun , Seung Hyun Cho , Hui Yong Kim , Jin Soo Choi
IPC分类号： H04N19/105 , H04N19/176 , H04N19/11 , H04N19/119 , H04N19/186 , H04N19/80 , H04N19/91 , H04N19/593 , H04N19/117 , H04N19/51 , H04N19/159 , H04N19/70 , H04N19/96 , H04N19/172
摘要： An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.
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