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US 2022/0286704 A1Published application
Systems and methods for deriving a motion vector prediction in video coding
AssigneesSharp Kabushiki Kaisha, FG Innovation Company Limited
InventorsKiran Mukesh MISRA, Frank BOSSEN, Christopher Andrew SEGALL
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Abstract
A method of performing motion vector prediction for coding video data is disclosed. A full precision motion vector mv is determined for generating a prediction for video block in a first picture. A rounded motion vector nm having a less precision than the full precision motion vector mv is stored. A motion vector predictor candidate is generated for a video block in a second picture from the stored motion vector.
Claims3
A method of performing motion vector prediction for coding video data, the method comprising:
- receiving a motion vector;
- deriving a mask information based on the motion vector;
- deriving a round information based on the motion vector;
- deriving a rounded motion vector by masking a value, obtained by adding the round information to the motion vector, based on the mask information;
- and
- generating a collocated motion vector based on the rounded motion vector.
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