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ROUNDING OF MOTION VECTORS FOR ADAPTIVE MOTION VECTOR DIFFERENCE RESOLUTION AND INCREASED MOTION VECTOR STORAGE PRECISION IN VIDEO CODING
ROUNDING OF MOTION VECTORS FOR ADAPTIVE MOTION VECTOR DIFFERENCE RESOLUTION AND INCREASED MOTION VECTOR STORAGE PRECISION IN VIDEO CODING
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机译:自适应运动矢量差分解决方案的运动矢量环绕和视频编码中提高的运动矢量存储精度
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摘要
An example method includes coding a value of a motion vector difference (MVD) for a current block of video data; obtaining, from a motion vector (MV) buffer, a value of a motion vector predictor (MVP) for the current block of video data; determining a resolution of the value of the MVD for the current block; obtaining a storage resolution shift amount for MVs; rounding, based on the storage resolution shift amount, the value of the MVD obtained from the MV buffer directly to the resolution of the value of the MVD; adding the rounded value of the MVP to the value of the MVD to obtain a value of a MV for the current block; obtaining, based on the MV for the current block, samples of a predictor block for the current block; and reconstructing samples of the current block based on the samples of the predictor block.
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