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公开(公告)号：US12034977B2
公开(公告)日：2024-07-09
申请号：US17256165
申请日：2019-06-28
申请人： Electronics and Telecommunications Research Institute , CHIPS & MEDIA, INC , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , 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 , Dae Yeon Kim , Wook Je Jeong , Dong Jin Park , Min Yong Jeon , Yung Lyul Lee , Nam Uk Kim , Myung Jun Kim , Ji Youn Jung , Jae Gon Kim
IPC分类号： H04N19/82 , H04N19/107 , H04N19/176
CPC分类号： H04N19/82 , H04N19/107 , H04N19/176
摘要： An image decoding is performed by steps including: determining whether or not to perform filtering on a boundary of a current block; determining a filtering strength on the boundary of the current block, and a number of samples used in filtering; and performing filtering on the boundary of the current block on the basis of the filtering strength and the number of samples used in filtering, where the number of samples used in filtering is determined on the basis of a size of the current block.
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公开(公告)号：US12034930B2
公开(公告)日：2024-07-09
申请号：US17589400
申请日：2022-01-31
申请人： Electronics and Telecommunications Research Institute , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , 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 , Myung Jun Kim , Nam Uk Kim , Ji Youn Jung , Yang Woo Kim , Jae Gon Kim
IPC分类号： H04N19/124 , H04N19/119 , H04N19/176
CPC分类号： H04N19/124 , H04N19/119 , H04N19/176
摘要： There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.
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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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4.发明授权公开(公告)号：US11818340B2
公开(公告)日：2023-11-14
申请号：US17258124
申请日：2019-07-05
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 , Ji Hoon Do , Yong Uk Yoon , Do Hyeon Park , Yung Lyul Lee
IPC分类号： H04N19/105 , H04N19/11 , H04N19/176 , H04N19/184 , H04N19/186 , H04N19/593 , H04N19/119 , H04N19/70 , H04N19/96
CPC分类号： H04N19/11 , H04N19/105 , H04N19/176 , H04N19/184 , H04N19/186 , H04N19/593 , H04N19/119 , H04N19/70 , H04N19/96
摘要： There is provided an image encoding/decoding method and apparatus. An image decoding method according to the present invention may comprise reconstructing a most frequent mode (MFM) indicator indicating whether or not an intra prediction mode of a current block is a predetermined intra prediction mode, deriving, on the basis of the MFM indicator, the intra prediction mode of the current block, and generating a prediction block of the current block by performing intra prediction on the current block on the basis of the intra prediction mode.
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5.发明授权公开(公告)号：US11765386B2
公开(公告)日：2023-09-19
申请号：US17890972
申请日：2022-08-18
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
IPC分类号： H04N7/12 , H04N19/593 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/503 , G06T9/00 , H04N19/189 , H04N19/132
CPC分类号： H04N19/593 , G06T9/004 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/189 , H04N19/196 , H04N19/503 , H04N19/132
摘要： Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.
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6.发明授权公开(公告)号：US11457238B2
公开(公告)日：2022-09-27
申请号：US17420106
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
IPC分类号： H04N7/12 , H04N19/593 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/503 , G06T9/00 , H04N19/189 , H04N19/132
摘要： Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.
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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：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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9.发明授权公开(公告)号：US12069300B2
公开(公告)日：2024-08-20
申请号：US18468512
申请日：2023-09-15
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
IPC分类号： H04N7/12 , G06T9/00 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/189 , H04N19/196 , H04N19/503 , H04N19/593 , H04N19/132
CPC分类号： H04N19/593 , G06T9/004 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/189 , H04N19/196 , H04N19/503 , H04N19/132
摘要： Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.
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公开(公告)号：US11277612B2
公开(公告)日：2022-03-15
申请号：US17256150
申请日：2019-06-25
申请人： Electronics and Telecommunications Research Institute , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , 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 , Myung Jun Kim , Nam Uk Kim , Ji Youn Jung , Yang Woo Kim , Jae Gon Kim
IPC分类号： H04N19/124 , H04N19/119 , H04N19/176
摘要： There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.
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