Patent ID: 11895306
Assignee: BYTEDANCE INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. A non-transitory computer-readable recording medium storing a bitstream which is generated by a method performed by a video processing apparatus, wherein the method comprises:
determining, for a luma block of a video, motion vectors of control points of the luma block based on an affine mode;
dividing the luma block into a first group of sub-blocks;
reconstructing the first group of sub-blocks of the luma block based on the motion vectors of the control points;
reconstructing a second group of sub-blocks of a chroma block corresponding to the luma block; and
generating the bitstream from a current video block, wherein the current video block includes the luma block and the chroma block,
wherein, in case that a color format of the luma block and the chroma block is 4:2:0 or 4:2:2, (1) each sub-block of the second group of sub-blocks has a second size with dimensions greater than 2, and (2) a first size of each sub-block of the first group of sub-blocks is equal to the second size of each sub-block of the second group of sub-blocks.