Oblon, McClelland, Maier & Neustadt, L.L.P.
Method and apparatus for history-based motion vector prediction
A method includes acquiring a current picture segmented into a plurality of units and divided into a plurality of tiles, each unit divided into a plurality of blocks, the plurality of blocks in each unit being arranged as a first grid, and the plurality of units being arranged as a second grid in each tile. The method includes decoding, for one of the units in a first tile, a first current block from the plurality of blocks using an entry from a first HMVP buffer associated with the first tile. The method includes updating the first HMVP buffer with a motion vector of the decoded first current block. The method includes in response to determining that the first current block is located in a first column and a first row of a first unit of a row in the second grid of the first tile, resetting the first HMVP buffer.
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Xiaozhong Shan Xiang
Xu Liu Li