APPARATUS AND METHOD FOR ENCODING AND DECODING MOTION INFORMATION BY USING NEIGHBORING MOTION INFORMATION
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Nov 18, 2024
filing date -
Nov 18, 2024
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Abstract
A method of decoding motion information may include: obtaining, from a bitstream, change information indicating whether to change motion information of a neighboring block; when the change information indicates a change of the motion information and a higher block is able to use one reference picture list, identifying the number of pictures included in the reference picture list of the current block; selecting, as a reference picture of the current block, a reference picture of the neighboring block based on the number of pictures; when the reference picture of the neighboring block is selected as the reference picture of the current block, obtaining a motion vector of the current block by applying an offset to a motion vector of the neighboring block; and reconstructing the current block by using a reference block indicated by the motion vector of the current block in the reference picture of the current block.
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