Patent ID: 11930171
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method for decoding a video bitstream implemented by a decoding device, comprising:
obtaining an override flag from the video bitstream, wherein the video bitstream comprises a picture header of a picture, data representing a slice partitioned from the picture, and a sequence parameter set (SPS), and wherein the override flag indicates whether first partition constraint information is present in the picture header;
obtaining a value of the first partition constraint information for the slice from the picture header when a value of the override flag is an overriding value;
partitioning a block of the slice into a plurality of sub-blocks according to the obtained value of the first partition constraint information;
partitioning the block of the slice into a plurality of sub-blocks according to a default value of the first partition constraint information when the value of the override flag is not the overriding value, wherein the default value of the first partition constraint information is a value of second partition constraint information from the SPS; and
reconstructing the block of the slice by reconstructing the plurality of sub-blocks.