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CALCULATION OF PREDICTION REFINEMENT BASED ON OPTICAL FLOW
CALCULATION OF PREDICTION REFINEMENT BASED ON OPTICAL FLOW
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机译:基于光流的预测细化计算
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摘要
A method of video processing includes determining a first motion displacement Vx(x,y) at a position (x,y) and a second motion displacement Vy(x,y) at the position (x,y) in a video block coded using an optical flow based method, wherein x and y are fractional numbers, where Vx(x,y) and Vy(x,y) are determined based at least on the position (x,y) and a center position of a basic video block of the video block, and performing a conversion between the video block and a bitstream representation of the current video block using the first motion displacement and the second motion displacement.
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