Patent ID: 11968375
Assignee: BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 16:
17. A non-transitory computer-readable storage medium storing instructions that cause a processor to:
perform a conversion between a video comprising one or more video pictures comprising one or more subpictures and a bitstream of the video,
wherein the bitstream conforms to a rule that specifies that, during a subpicture sub-bitstream extraction process, one or more parameters for a size of a scaling window applicable to a subpicture are determined by rewriting values of a first set of syntax elements included in one or more picture parameter set (PPS),
wherein the rewritten values of the first set of syntax elements are equal to calculation results of original values of the first set of syntax elements from an original one or more PPS and original values of a second set of syntax elements from an original one or more sequence parameter set (SPS).