Invention Grant
- Patent Title: Method and apparatus for improved signaling of motion vector difference
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Application No.: US17945935Application Date: 2022-09-15
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Publication No.: US12075059B2Publication Date: 2024-08-27
- Inventor: Liang Zhao , Xin Zhao , Shan Liu
- Applicant: Tencent America LLC
- Applicant Address: US CA Palo Alto
- Assignee: TENCENT AMERICA LLC
- Current Assignee: TENCENT AMERICA LLC
- Current Assignee Address: US CA Palo Alto
- Agency: Morgan, Lewis & Bockius LLP
- Main IPC: H04N19/137
- IPC: H04N19/137 ; H04N19/105 ; H04N19/176 ; H04N19/46

Abstract:
This disclosure relates generally to video coding and particularly to methods and systems for providing signaling schemes for motion vector difference. An example method for decoding a current video block of a video bitstream is disclosed. The method includes receiving a coded video bitstream; obtaining, from the coded video bitstream, a first motion vector difference (MVD) and a dynamic reference list (DRL) index for a current video block; deriving a second MVD for the current video block based on the first MVD; generating, by the device, a motion vector (MV) pair based on the first MVD, the derived second MVD, and a motion vector predictor (MVP) indicated by the DRL index; and decoding, by the device based on the MV pair, the current video block.
Public/Granted literature
- US20230086949A1 Method and Apparatus for Improved Signaling of Motion Vector Difference Public/Granted day:2023-03-23
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