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公开(公告)号：US20240388693A1
公开(公告)日：2024-11-21
申请号：US18763948
申请日：2024-07-03
Inventor： Kai ZHANG , Li ZHANG , Zhipin DENG
IPC: H04N19/105 , H04N19/137 , H04N19/176
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target block of a video and a bitstream of the target block, motion information of a neighbor block of the target block; deriving a set of motion candidates for the target block based on the motion information and a set of affine parameters for the target block; and performing the conversion based on the set of motion candidates.
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公开(公告)号：US20240380922A1
公开(公告)日：2024-11-14
申请号：US18286194
申请日：2022-04-08
Inventor： Zhipin DENG , Kai ZHANG , Li ZHANG
IPC: H04N19/56 , H04N19/176 , H04N19/184
Abstract: It provides a solution for video processing. A method for video processing is proposed. The method comprises: determining motion information for a video block of a video by conducting a refinement process on at least one of a first merge candidate or a second merge candidate for the video block, the second merge candidate being generated based on the first merge candidate; and performing a conversion between the video block and a bitstream of the video based on the motion information. Compared with the conventional solution, the proposed method can advantageously improve the coding performance.
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公开(公告)号：US20240380879A1
公开(公告)日：2024-11-14
申请号：US18562257
申请日：2022-05-19
IPC: H04N19/105 , H04N19/159 , H04N19/176
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: processing, during a conversion between a picture of a video and a bitstream of the video, a first video block in the picture based on a combination of decoder-side intra prediction mode derivation (DIMD) and multiple reference line (MRL), at least one intra prediction mode (IPM) being derived from the DIMD, and at least one non-adjacent reference line of reconstructed samples for the first video block being used in the combination of the DIMD and the MRL; and performing the conversion based on the first video block. Compared with the conventional solution, the proposed method can advantageously improve the coding effectiveness and coding efficiency.
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公开(公告)号：US20240364927A1
公开(公告)日：2024-10-31
申请号：US18763694
申请日：2024-07-03
Inventor： Wenyi WANG , Yingzhan XU , Kai ZHANG , Li ZHANG
IPC: H04N19/597 , H04N19/96
CPC classification number: H04N19/597 , H04N19/96
Abstract: Embodiments of the present disclosure provide a solution for point cloud coding. A method for point cloud coding is proposed. The method comprises: determining, during a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, an occupancy state of a first node of the current frame, a node representing a spatial partition of the current frame, the occupancy state of the first node representing whether the first node is occupied by a point; determining a prediction of an occupancy indication of a second node of the current frame, the occupancy indication indicating an occupancy state of the second node; and performing the conversion based on the prediction of the occupancy indication.
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公开(公告)号：US20240314346A1
公开(公告)日：2024-09-19
申请号：US18671747
申请日：2024-05-22
Inventor： Zhipin DENG , Kai ZHANG , Li ZHANG , Yuwen HE
IPC: H04N19/513 , H04N19/176
CPC classification number: H04N19/513 , H04N19/176
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: refining, during a conversion between a target block of a video and a bitstream of the target block, a bi-motion vector predictor (MVP) of the target block by applying a decoder side motion vector derivation process, and wherein the target block is coded with an advanced motion vector prediction (AMVP) mode; and performing the conversion based on the refined bi-MVP.
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Patent Agency Ranking
公开(公告)号：US20240267512A1
公开(公告)日：2024-08-08
申请号：US18636039
申请日：2024-04-15
IPC: H04N19/105 , H04N19/137 , H04N19/176 , H04N19/88
CPC classification number: H04N19/105 , H04N19/137 , H04N19/176 , H04N19/88
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: obtaining, during a conversion between a target block of a video and a bitstream of the video, a list of adaptive decoder side motion vector refinement (ADMVR) merge candidates for the target block in an ADMVR merge mode; reordering the list of ADMVR merge candidates; and performing the conversion based on the reordered list of ADMVR merge candidates. Compared with the conventional solution, the proposed method can advantageously improve the coding effectiveness and coding efficiency.
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公开(公告)号：US20240259555A1
公开(公告)日：2024-08-01
申请号：US18622810
申请日：2024-03-29
Inventor： Na ZHANG , Kai ZHANG , Li ZHANG , Jizheng XU
IPC: H04N19/105 , H04N19/132 , H04N19/136 , H04N19/157 , H04N19/176
CPC classification number: H04N19/105 , H04N19/132 , H04N19/136 , H04N19/157 , H04N19/176
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, whether a block vector (BV) candidate of the target video block is valid; in accordance with a determination that the BV candidate is valid, adding the BV candidate in an intra block copy (IBC) candidate list; and performing the conversion based on the IBC candidate list.
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公开(公告)号：US20240244222A1
公开(公告)日：2024-07-18
申请号：US18561695
申请日：2022-05-17
Inventor： Zhipin DENG , Li ZHANG , Kai ZHANG , Na ZHANG
IPC: H04N19/137 , H04N19/159 , H04N19/176 , H04N19/70
CPC classification number: H04N19/137 , H04N19/159 , H04N19/176 , H04N19/70
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: constructing, during a conversion between a target video block of a video and a bitstream of the video, at least one template in the target video block based on at least one neighbor sample of the target video block that satisfies a predetermined criterion; applying template matching to refine motion information for the target video block based on the at least one determined template, to obtain refined motion information; and performing the conversion based on the refined motion information. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency and performance.
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公开(公告)号：US20240244200A1
公开(公告)日：2024-07-18
申请号：US18620780
申请日：2024-03-28
Inventor： Wenbin YIN , Kai ZHANG , Li ZHANG
IPC: H04N19/117 , H04N19/176 , H04N19/80
CPC classification number: H04N19/117 , H04N19/176 , H04N19/80
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing comprises: determining, from a plurality of filter shapes during a conversion between a current video block of a video and a bitstream of the video, a first filter shape for coding a first sample of the current video block; and performing the conversion based on the first filter shape. Compared with the conventional solution, the proposed method can advantageously improve the performance of the filtering tool.
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公开(公告)号：US20240244187A1
公开(公告)日：2024-07-18
申请号：US18622618
申请日：2024-03-29
IPC: H04N19/105 , H04N19/159 , H04N19/176 , H04N19/51
CPC classification number: H04N19/105 , H04N19/159 , H04N19/176 , H04N19/51
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, during a conversion between a target video block of a video and a bitstream of the video, a reference template for the target video block without involving an interpolation process; and performing the conversion based on the reference template. Compared with the conventional solution, the proposed method can advantageously improve the template matching based video coding and thus improve the coding effectiveness and coding efficiency.
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