Patent ID: 11949855
Assignee: TENCENT AMERICA LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. An apparatus, comprising:
processing circuitry configured to:
receive sample values of a current block in a current picture, the current block being divided into a plurality of sub-blocks to be coded according to a sub-block based inter prediction mode;
determine pieces of sub-block motion information for the sub-blocks, respectively;
generate, according to the pieces of sub-block motion information, respective predictors of the sub-blocks;
select, from among the plurality of sub-blocks of the current block, a representative sub-block to represent the current block in a history-based motion vector prediction (HMVP) candidate list;
add, to the HMVP candidate list, only sub-block motion information of the selected representative sub-block as an HMVP candidate representative of the current block; and
encode the sample values of the current block according to the predictors of the plurality of sub-blocks and include encoded data of the current block in a bitstream for output.