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公开(公告)号：US11677942B2
公开(公告)日：2023-06-13
申请号：US17510560
申请日：2021-10-26
发明人： Sung Chang Lim , Hui Yong Kim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim , Jae Gon Kim , Sang Yong Lee
IPC分类号： H04N19/119 , H04N19/105 , H04N19/132 , H04N19/157 , H04N19/176 , H04N19/196 , H04N19/593 , H04N19/70 , H04N19/91 , H04N19/147
CPC分类号： H04N19/119 , H04N19/105 , H04N19/132 , H04N19/157 , H04N19/176 , H04N19/196 , H04N19/593 , H04N19/70 , H04N19/91 , H04N19/147
摘要： The present invention relates to video encoding/decoding methods and device, wherein the video encoding method according to the invention comprises the following steps: acquiring information of peripheral blocks; setting the information about a current block based on the information of the peripheral blocks; and encoding the current block based on the set information, wherein the current block and the peripheral blocks may be a CU (coding unit).
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公开(公告)号：US11676334B2
公开(公告)日：2023-06-13
申请号：US17111234
申请日：2020-12-03
申请人： Electronics and Telecommunications Research Institute , HANDONG GLOBAL UNIVERCITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
发明人： Ha Hyun Lee , Jung Won Kang , Soo Woong Kim , Gun Bang , Jin Ho Lee , Sung Chang Lim , Sung Soo Hwang , Se Hui Kang , Ji Won Moon , Mu Hyun Back , Jin Kyu Lee , Hyun Min Han
摘要： The present invention relates to a plenoptic cloud generation method, the method of generating a plenoptic point cloud according to one embodiment of the present invention, the method comprises, obtaining a two-dimensional (2D) image for each view and depth information obtained from a plurality of cameras, determining a method of generating a plenoptic point cloud and generating the plenoptic point cloud by applying the determined method of generating the plenoptic point cloud to at least one of the 2D image for each view or the depth information, wherein the method of generating the plenoptic point cloud includes at least one of a simultaneous generation method of the point cloud and a sequential generation method of the point cloud.
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53.发明授权公开(公告)号：US11616946B2
公开(公告)日：2023-03-28
申请号：US17278212
申请日：2019-09-20
申请人： Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
发明人： Jung Won Kang , Ha Hyun Lee , Sung Chang Lim , Jin Ho Lee , Hui Yong Kim , Gwang Hoon Park , Tae Hyun Kim , Dae Young Lee
IPC分类号： H04N19/105 , H04N19/176 , H04N19/423 , H04N19/46 , H04N19/51
摘要： An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise deriving a candidate list for inter-prediction of a current block, deriving motion information of the current block by using the candidate list, deriving a cumulative coding information candidate by using the motion information of the current block, inserting the derived cumulative coding information candidate into a cumulative coding information candidate list and updating the candidate list by using the cumulative coding information candidate list, wherein the updated candidate list is used for inter-prediction of a block to be decoded after the current block.
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公开(公告)号：US11563954B2
公开(公告)日：2023-01-24
申请号：US16758121
申请日：2018-10-26
发明人： Dong San Jun , Ha Hyun Lee , Jung Won Kang , Hyun Suk Ko , Sung Chang Lim , Jin Ho Lee , Hui Yong Kim
IPC分类号： H04N19/119 , H04N19/176 , H04N19/159 , H04N19/44
摘要： The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise dividing a coding unit into a plurality of sub-units according to a block division structure and performing decoding based on the sub-unit, wherein the block division structure is a block division structure in which division is performed so as to include at least one sub-unit having a predetermined block form other than square and rectangle forms.
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公开(公告)号：US11558640B2
公开(公告)日：2023-01-17
申请号：US17372594
申请日：2021-07-12
发明人： Hyun Suk Ko , Sung Chang Lim , Jung Won Kang , Jin Ho Lee , Ha Hyun Lee , Dong San Jun , Hui Yong Kim
IPC分类号： H04N19/00 , H04N19/593 , H04N19/176 , H04N19/184
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 configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
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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：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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