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公开(公告)号：US20210377528A1
公开(公告)日：2021-12-02
申请号：US17398857
申请日：2021-08-10
Inventor： Li ZHANG , Kai ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/119 , H04N19/176 , H04N19/96
Abstract: Devices, systems and methods for video processing are described. In a representative aspect, there is disclosed a method for video processing, including: determining, according to a splitting information, for a current video block of a video, a partition mode in which the current video block is split into M portions, wherein M>4; and performing a conversion for the current video block based on the partition mode.
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公开(公告)号：US20210368185A1
公开(公告)日：2021-11-25
申请号：US17398800
申请日：2021-08-10
Inventor： Li ZHANG , Kai ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/176 , H04N19/96 , H04N19/66 , H04N19/174 , H04N19/157
Abstract: Devices, systems and methods for video processing are described. In a representative aspect, there is disclosed a method for video processing, including: determining, for a current video block, whether a first partition mode is applicable to the current video block in responsive to at least one condition, wherein the current video block is split into M sub-blocks in the first partition mode, and M>4; and performing a conversion for the current video block based on the determination.
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公开(公告)号：US20210360244A1
公开(公告)日：2021-11-18
申请号：US17389179
申请日：2021-07-29
Inventor： Kai ZHANG , Li ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/119 , H04N19/96 , H04N19/132 , H04N19/13 , H04N19/46 , H04N19/176
Abstract: A method for processing a video includes determining a valid splitting type for a current video block; determining whether or how to signal a splitting type to be used for the current video block based on the determination of the valid splitting type; and performing a conversion between the current video block and a bitstream representation of the current video block in accordance with the determining results.
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公开(公告)号：US20210352314A1
公开(公告)日：2021-11-11
申请号：US17373010
申请日：2021-07-12
Inventor： Kai ZHANG , Li ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/52 , H04N19/137 , H04N19/176 , H04N19/184
Abstract: Disclosed and systems, methods and devices for video processing. An exemplary method for video processing includes: making a decision regarding applying a merge with motion vector difference (MMVD) mode to a current block of video based on a set of MMVD side information, the current block being split into at least two partitions; and performing a conversion between the current block of the video and a bitstream representation of the video using the MMVD mode; in the MMVD mode, at least one merge candidate selected for at least one partition is refined based on the set of MMVD side information.
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公开(公告)号：US20210337239A1
公开(公告)日：2021-10-28
申请号：US17368972
申请日：2021-07-07
Inventor： Li ZHANG , Kai ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/82 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/117 , H04N19/61 , H04N19/86
Abstract: Devices, systems and methods for digital video coding, which includes: determining whether a sample is located at sub-block transform boundaries in case that a sub-block transform is applied; applying deblocking filter process if it is determined that the sample is located at sub-block transform boundaries; and performing a conversion between the video and a bitstream representation of the video.
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Patent Agency Ranking
公开(公告)号：US20210329293A1
公开(公告)日：2021-10-21
申请号：US17360902
申请日：2021-06-28
Inventor： Jizheng XU , Jiahao LI , Weijia ZHU , Kai ZHANG , Li ZHANG , Hongbin LIU , Yue WANG
IPC: H04N19/56 , H04N19/176 , H04N19/139 , H04N19/52
Abstract: Methods, systems and device for hash-based motion estimation in video coding are described. An exemplary method of video processing includes determining, for a conversion between a current block of a video and a bitstream representation of the video, motion information associated with the current block using a hash-based motion search, a size of the current block being M×N, M and N being positive integers and M being not equal to N, applying, based on the motion information and a video picture comprising the current block, a prediction for the current block, and performing, based on the prediction, the conversion.
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公开(公告)号：US20210297689A1
公开(公告)日：2021-09-23
申请号：US17338564
申请日：2021-06-03
Inventor： Hongbin LIU , Li ZHANG , Kai ZHANG , Jizheng XU , Yue WANG
IPC: H04N19/513 , H04N19/176 , H04N19/186
Abstract: A method for video processing includes performing a conversion between a current video block and a bitstream representation of the current video block using an inter-prediction coding scheme based on an n-order polynomial model using a first variable associated with the current video block, where n is an integer greater than or equal to zero, wherein the conversion includes generating the current video block from the bitstream representation or generating the bitstream representation from the current video block; and performing illumination compensation for the current video block using the n-order polynomial model during the conversion.
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公开(公告)号：US20210297679A1
公开(公告)日：2021-09-23
申请号：US17331132
申请日：2021-05-26
Inventor： Li ZHANG , Kai ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/176 , H04N19/186 , H04N19/117 , H04N19/105
Abstract: A method for video processing is provided to include performing a conversion between a current video block of a video region of a video and a coded representation of the video, wherein the conversion uses a coding mode in which the current video block is constructed based on a first domain and a second domain and/or chroma residue is scaled in a luma-dependent manner, and wherein a parameter set in the coded representation comprises parameter information for the coding mode.
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公开(公告)号：US20210297670A1
公开(公告)日：2021-09-23
申请号：US17338552
申请日：2021-06-03
Inventor： Hongbin LIU , Li ZHANG , Kai ZHANG , Jizheng XU , Yue WANG
IPC: H04N19/132 , H04N19/105 , H04N19/159 , H04N19/186 , H04N19/176
Abstract: A method for video processing includes performing a conversion between a current video block and a bitstream representation of the current video block using an intra-prediction coding scheme based on an n-order polynomial model using at least one variable associated with the current video block, where n is an integer greater than or equal to zero, wherein the conversion includes generating the current video block from the bitstream representation or generating the bitstream representation from the current video block.
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公开(公告)号：US20210297669A1
公开(公告)日：2021-09-23
申请号：US17330945
申请日：2021-05-26
Inventor： Li ZHANG , Kai ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/132 , H04N19/159 , H04N19/30 , H04N19/186 , H04N19/176
Abstract: A method for video processing is provided to include: making a determination that a coding mode is enabled for a conversion between a current video block of a video and a coded representation of the video; and performing the conversion using a palette prediction mode wherein at least a palette of representative sample values is used for the current video block, and wherein, in the coding mode, the current video block is constructed based on samples in a first domain and a second domain and/or chroma residue is scaled in a luma-dependent manner.
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