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公开(公告)号：US20200382769A1
公开(公告)日：2020-12-03
申请号：US16993526
申请日：2020-08-14
Inventor： Kai ZHANG , Li ZHANG , Hongbin LIU , Jizheng XU , Yue WANG
IPC: H04N19/105 , H04N19/186 , H04N19/176 , H04N19/593
Abstract: A method for video processing is provided. The method includes determining, for a conversion between a current video block of a video that is a chroma block and a coded representation of the video, parameters of cross-component linear model (CCLM) prediction mode based on chroma samples that are selected based on W available above-neighboring samples, W being an integer; and performing the conversion based on the determining.
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公开(公告)号：US20250159245A1
公开(公告)日：2025-05-15
申请号：US19022577
申请日：2025-01-15
Inventor： Zhipin DENG , Kai ZHANG , Li ZHANG
IPC: H04N19/52 , H04N19/139
Abstract: Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: determining, for a conversion between a video unit of a video and a bitstream of the video, that the video unit is coded by a motion pair from a same direction relative to a current picture, wherein the video unit is applied with an advanced motion vector prediction (AMVP) merge mode and the video unit belongs to a low-delay picture; and performing the conversion based on the motion pair.
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公开(公告)号：US20250150604A1
公开(公告)日：2025-05-08
申请号：US19017255
申请日：2025-01-10
IPC: H04N19/176 , H04N19/139 , H04N19/159 , H04N19/52
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: determining, for a conversion between a current video block of a video and a bitstream of the video, a sign prediction of a block vector difference (BVD) of the current video block; determining the BVD at least based on the sign prediction of the BVD; and performing the conversion based on the BVD.
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公开(公告)号：US20250148652A1
公开(公告)日：2025-05-08
申请号：US19015338
申请日：2025-01-09
Applicant: Douyin Vision (Beijing) Co., Ltd. , Bytedance Inc.
Inventor： Wenyi WANG , Yingzhan XU , Kai ZHANG , Li ZHANG
IPC: G06T9/00
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, for a conversion between a current frame of a point cloud sequence and a bitstream of the point cloud sequence, first attribute information of a first node of the current frame based on second attribute information of a second node of the current frame, a node representing a spatial partition of the current frame, a first partition depth of the first node being different from a second partition depth of the second node; and performing the conversion based on the first attribute information.
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公开(公告)号：US20250080718A1
公开(公告)日：2025-03-06
申请号：US18286209
申请日：2022-04-08
Inventor： Zhipin DENG , Kai ZHANG , Li ZHANG
IPC: H04N19/105 , H04N19/139 , H04N19/176
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method of processing video data is proposed. The method comprises: during a conversion between a current video block of a video and a bitstream of the video, obtaining a geometric partitioning mode (GPM) block associated with the current video block; and performing the conversion based on a motion-compensated prediction sample refinement process applied to the GPM block. Compared with the conventional solution, the proposed solution advantageously improves coding efficiency and compression ratios.
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Patent Agency Ranking
公开(公告)号：US20250056065A1
公开(公告)日：2025-02-13
申请号：US18289975
申请日：2022-05-12
Inventor： Kai ZHANG , Li ZHANG , Zhipin DENG , Na ZHANG , Yang WANG
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 current video block of a video and a bitstream of the video, whether coding information of a reference video block is used to code a first piece of motion information of the current video block based on a coding pattern applied to the reference video block; and performing the conversion based on the determining. The method in accordance with the first aspect of the present disclosure improves the coding process of the current video block. Compared with the conventional solution, the proposed method can advantageously improve the coding efficiency and avoid the undesirable latency.
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公开(公告)号：US20250039446A1
公开(公告)日：2025-01-30
申请号：US18915068
申请日：2024-10-14
Inventor： Wenyi WANG , Yingzhan XU , Kai ZHANG , Li ZHANG
IPC: H04N19/597 , H04N19/70
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, for a conversion between a current coding unit of a point cloud sequence and a bitstream of the point cloud sequence, a plurality of points of the current coding unit; sorting the plurality of points at least based on a sorting parameter, and performing the conversion based on the plurality of sorted points.
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公开(公告)号：US20250039430A1
公开(公告)日：2025-01-30
申请号：US18915045
申请日：2024-10-14
Inventor： Mehdi SALEHIFAR , Yuwen HE , Kai ZHANG , Na ZHANG , Li ZHANG
IPC: H04N19/513 , H04N19/176
Abstract: The present disclosure provides a solution for video processing. A method for video processing comprises: selecting, for a conversion between a current video block of a video and a bitstream of the video, a target scheme from a plurality of candidate schemes for adjusting a merge candidate for the current video block; and performing the conversion based on the target scheme, wherein the plurality of candidate schemes comprise at least one of a first set of candidate schemes and a second set of candidate schemes, in each of the first set of candidate schemes, a first motion vector (MV) of the merge candidate is adjusted with a first motion vector difference (MVD), and a second MV of the merge candidate is kept unadjusted, in each of the second set of candidate schemes, the second MV is adjusted with a second MVD, and the first MV is kept unadjusted.
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公开(公告)号：US20240422315A1
公开(公告)日：2024-12-19
申请号：US18818353
申请日：2024-08-28
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, during a conversion between a video unit of a video and a bitstream of the video unit, a compression process to the video unit based on a compression framework, wherein the compression framework comprises a transform skip module; and performing the conversion based on the compressed video unit.
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公开(公告)号：US20240388704A1
公开(公告)日：2024-11-21
申请号：US18787873
申请日：2024-07-29
IPC: H04N19/117 , H04N19/124 , H04N19/176 , H04N19/42 , H04N19/80
Abstract: Embodiments of the present disclosure provide a solution for video processing. A method for video processing is proposed. The method comprises: applying, during a conversion between a video unit of a video and a bitstream of the video unit, a plurality of filters in combination to the video unit; and performing the conversion based on the filtered video unit.
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