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METHOD AND APPARATUS FOR ENCODING MOTION VECTOR DIFFERENCE, AND METHOD AND APPARATUS FOR DECODING MOTION VECTOR DIFFERENCE
METHOD AND APPARATUS FOR ENCODING MOTION VECTOR DIFFERENCE, AND METHOD AND APPARATUS FOR DECODING MOTION VECTOR DIFFERENCE
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机译:用于编码运动矢量差的方法和装置,以及解码运动矢量差的方法和装置
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摘要
Provided is a video decoding method including: obtaining, from a sequence parameter set, sequence merge mode with motion vector difference (sequence MMVD) information indicating whether an MMVD mode is applicable in a current sequence; when the MMVD mode is applicable according to the sequence MMVD information, obtaining, from a bitstream, first MMVD information indicating whether the MMVD mode is applied in a first inter prediction mode for a current block included in the current sequence; when the MMVD mode is applicable in the first inter prediction mode according to the first MMVD information, reconstructing a motion vector of the current block which is to be used in the first inter prediction mode, by using a distance of a motion vector difference and a direction of a motion vector difference obtained from the bitstream; and reconstructing the current block by using the motion vector of the current block.
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