Patent ID: 11863742
Assignee: ALIBABA GROUP HOLDING LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 13:
14. A non-transitory computer readable medium storing a bitstream of a video for processing according to a method comprising:
decoding a first index from the bitstream, wherein the first index is indicative of a number of regions for a picture;
determining a maximum number of adaptive loop filters (ALFs) for a component of a picture based on the first index, wherein:
the maximum number of the ALFs is 64 when the first index is equal to a first value indicative of 64 regions for the picture; and
the maximum number of the ALFs is 16 when the first index is equal to a second value or not equal to the first value; and

processing pixels in the picture with the ALFs.