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1.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：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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3.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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4.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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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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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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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：US12058311B2
公开(公告)日：2024-08-06
申请号：US17420084
申请日：2019-12-27
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 , Yang Woo Kim , Ji Yeon Jung , Jae Gon Kim
IPC分类号： H04N19/82 , H04N19/105 , H04N19/132 , H04N19/159 , H04N19/176 , H04N19/186
CPC分类号： H04N19/105 , H04N19/132 , 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 restoring an intra-prediction mode of a current chroma block, deriving at least one representative value based on a neighboring sample of the current chroma block and a neighboring sample of a corresponding luma block corresponding to the current chroma block in case the intra-prediction mode is a CCLM (Cross-Component Linear Model) mode, deriving a parameter of CCLM by using the at least one representative value, and generating a prediction block of the current chroma block by using the parameter of CCLM.
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公开(公告)号：US11758136B2
公开(公告)日：2023-09-12
申请号：US16302210
申请日：2017-06-23
申请人： Electronics and Telecommunications Research Institute , Industry Academy Cooperation Foundation of Sejong University
发明人： Sung Chang Lim , Jung Won Kang , Hyun Suk Ko , Jin Ho Lee , Ha Hyun Lee , Dong San Jun , Seung Hyun Cho , Hui Yong Kim , Jin Soo Choi , Yung Lyul Lee , Nam Uk Kim , Jun Woo Choi
IPC分类号： H04N19/122 , H04N19/176 , H04N19/70 , H04N19/61 , H04N19/90 , H04N19/107 , H04N19/186 , H04N19/103 , H04N19/132 , H04N19/625
CPC分类号： H04N19/122 , H04N19/103 , H04N19/107 , H04N19/132 , H04N19/176 , H04N19/186 , H04N19/61 , H04N19/625 , H04N19/70 , H04N19/90
摘要： The present invention relates to a method and apparatus for encoding and decoding a video image based on transform. The method for decoding a video includes: determining a transform mode of a current block; inverse-transforming residual data of the current block according to the transform mode of the current block; and rearranging the inverse-transformed residual data of the current block according to the transform mode of the current block, wherein the transform mode includes at least one of SDST (Shuffling Discrete Sine Transform), SDCT (Shuffling Discrete cosine Transform), DST (Discrete Sine Transform) or DCT (Discrete Cosine Transform).
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公开(公告)号：US11647183B2
公开(公告)日：2023-05-09
申请号：US17533297
申请日：2021-11-23
发明人： Yung Lyul Lee , Nam Uk Kim
IPC分类号： H04N19/11 , H04N19/105 , H04N19/176 , H04N19/117 , H04N19/182 , H04N19/593 , H04N19/159 , H04N19/167 , H04N19/82
CPC分类号： H04N19/11 , H04N19/105 , H04N19/117 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/182 , H04N19/593 , H04N19/82
摘要： According to the present invention, provided is a method of processing a video signal, the method including: obtaining a transform coefficient of a current block from a bitstream according to a predetermined scanning order; determining an intra prediction mode of the current block on the basis of the transform coefficient; and performing intra prediction on the current block using the intra prediction mode and a neighboring sample adjacent to the current block.
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