Patent ID: 11889103
Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. A non-transitory computer readable medium storing a bitstream,
the bitstream including information, an image block, and a plurality of motion vectors, the information indicating a selected encoding mode which is selected from among candidates including a decoder-side motion vector refinement (DMVR) encoding mode and a partition encoding mode, the information including a flag indicating whether the partition encoding is performed on a non-rectangular shape, wherein
when the information indicates that the DMVR encoding mode is selected,
a first motion vector is obtained from the plurality of motion vectors;
a second motion vector is derived from the first motion vector using motion search; and
a prediction image for the image block is generated using the second motion vector; and

when the information indicates that the partition encoding is selected,
a plurality of partitions are determined in the image block;
a third motion vector is obtained from the plurality of motion vectors for each of the plurality of partitions; and
a prediction image for the image block is generated using the third motion vector, without deriving a fourth motion vector from the third motion vector using motion search.