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1.发明授权公开(公告)号：US11039130B2
公开(公告)日：2021-06-15
申请号：US16342225
申请日：2017-10-24
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 , G06F17/18 , H04N19/176 , H04N19/159 , 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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2.发明授权公开(公告)号：US12034919B2
公开(公告)日：2024-07-09
申请号：US17988972
申请日：2022-11-17
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 , G06F17/18 , H04N19/105 , H04N19/117 , H04N19/119 , H04N19/13 , H04N19/132 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/80 , H04N19/91
CPC分类号： H04N19/11 , G06F17/18 , H04N19/105 , H04N19/117 , H04N19/119 , H04N19/13 , H04N19/132 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/513 , H04N19/80 , H04N19/91
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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3.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：US12075028B2
公开(公告)日：2024-08-27
申请号：US17761908
申请日：2020-09-21
申请人： Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
发明人： Jin Ho Lee , Jung Won Kang , Ha Hyun Lee , Sung Chang Lim , Jae Gon Kim , Ji Hoon Do , Do Hyeon Park , Yong Uk Yoon
IPC分类号： H04N19/00 , H04N19/105 , H04N19/132 , H04N19/176 , H04N19/186
CPC分类号： H04N19/105 , H04N19/132 , H04N19/176 , H04N19/186
摘要： An image encoding/decoding method and apparatus are disclosed. The method of decoding an image according to the present invention, comprises, generating a first prediction block of a current block, generating a second prediction block of the current block and generating a final prediction sample of the current block using a sample unit weighted sum of the first prediction block and the second prediction block, wherein a weight used for the sample unit weighted sum is determined based on a location of a current luma sample and a geometric prediction mode (GPM) boundary line for partitioning the current block.
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5.发明授权公开(公告)号：US11930179B2
公开(公告)日：2024-03-12
申请号：US17419142
申请日：2019-12-27
申请人： Electronics and Telecommunications Research Institute , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , CHIPS & MEDIA, INC , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
发明人： Sung Chang Lim , Jung Won Kang , Ha Hyun Lee , Jin Ho Lee , Hui Yong Kim , Yung Lyul Lee , Ji Yeon Jung , Nam Uk Kim , Myung Jun Kim , Yang Woo Kim , Dae Yeon Kim , Jae Gon Kim , Do Hyeon Park
IPC分类号： H04N19/132 , H04N19/105 , H04N19/159 , H04N19/176 , H04N19/186
CPC分类号： H04N19/132 , H04N19/105 , H04N19/159 , H04N19/176 , H04N19/186
摘要： An image encoding/decoding method is provided. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current luma block, deriving an intra-prediction mode of a current chroma block based on the intra-prediction mode of the current luma block, generating a prediction block of the current chroma block based on the intra-prediction mode of the current chroma block, and the deriving of an intra-prediction mode of a current chroma block may comprise determining whether or not CCLM (Cross-Component Linear Mode) can be performed for the current chroma block.
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6.发明授权公开(公告)号：US12088809B2
公开(公告)日：2024-09-10
申请号：US17419204
申请日：2019-12-27
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 , Yung Lyul Lee
IPC分类号： H04N19/105 , H04N19/119 , H04N19/13 , H04N19/159 , H04N19/176
CPC分类号： H04N19/13 , H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176
摘要： Disclosed herein is an image decoding method. The method of decoding an image comprises obtaining prediction information and residual signal information for a current block from a bitstream and reconstructing, based on the obtained prediction information and the residual signal information, the current block, wherein the prediction information is obtained through entropy decoding, and wherein a context model used for the entropy decoding of the prediction information is determined based on a prediction mode of a neighboring block of the current 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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8.发明授权公开(公告)号：US12081774B2
公开(公告)日：2024-09-03
申请号：US17614935
申请日：2020-05-29
申请人： Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE 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 , Ji Hoon Do , Yong Uk Yoon
IPC分类号： H04N19/176 , H04N19/119 , H04N19/18 , H04N19/50
CPC分类号： H04N19/176 , H04N19/119 , H04N19/18 , H04N19/50
摘要： Disclosed herein is a video decoding method including determining a zero-out width threshold and a zero-out height threshold for distinguishing between a transform coefficient coding region and a zero-out region of a current block according to a size of the current block, determining the transform coefficient coding region and the zero-out region of the current block according to the zero-out width threshold and the zero-out height threshold, acquiring transform coefficient information of the transform coefficient coding region from a bitstream and determining a level of a transform coefficient of the transform coefficient coding region according to the transform coefficient information, determining a level of a transform coefficient of the zero-out region as 0 without acquiring transform coefficient information, and reconstructing the current block by inversely transforming the transform coefficient of the current block.
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公开(公告)号：US12081768B2
公开(公告)日：2024-09-03
申请号：US17611871
申请日：2020-06-19
申请人： Electronics and Telecommunications Research Institute , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE 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 , Ji Hoon Do , Yong Uk Yoon
IPC分类号： H04N19/14 , H04N19/12 , H04N19/176 , H04N19/60
CPC分类号： H04N19/14 , H04N19/12 , H04N19/176 , H04N19/60
摘要： Disclosed herein are an image encoding/decoding method and apparatus. The image decoding method of the present disclosure may include obtaining maximum transform block size information, deriving a maximum transform block size on the basis of the maximum transform block size information, and, determining ether or not a secondary inverse transform is applied to the current block on the basis of the maximum transform block size and a horizontal size and a vertical size of a current block.
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公开(公告)号：US12015778B2
公开(公告)日：2024-06-18
申请号：US17894843
申请日：2022-08-24
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
CPC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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