Patent ID: 11956463
Assignee: ALIBABA GROUP HOLDING LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. A method for performing motion compensation, performed by an encoder and comprising:
signaling a first wrap-around motion compensation flag associated with one or more pictures and indicating whether horizontal wrap-around motion compensation is enabled for the one or more pictures; and
in response to the horizontal wrap-around motion compensation being enabled for the one or more pictures, signaling a parameter associated with a wrap-around motion compensation offset, the parameter associated with the wrap-around motion compensation offset being associated with the one or more pictures, wherein a value of the parameter associated with the wrap-around motion compensation offset is less than or equal to a difference minus 2, and the difference is obtained by a quotient of a picture width in luma samples divided by a minimum size of a luma coding block minus a quotient of a luma size of a coding tree block divided by the minimum size of a luma coding block;
wherein the wrap-around motion compensation flag and the parameter are signaled in a picture parameter set.