Methods and apparatuses of inter coding for pictures partitioned into subpictures in video coding systems
AssigneeHfi Innovation Inc.
InventorShih-Ta Hsiang
Life of this patent
Estimating the term…
Abstract
Video processing methods and apparatuses include receiving input data associated with a current picture composed of multiple Coding Tree Units (CTUs) for encoding or decoding, partitioning the current picture into multiple subpictures, determining one or more reference pictures for inter coding the current picture, and encoding or decoding one or more blocks in one or more CTUs of the current picture by inter coding using the one or more reference pictures. Each of the reference pictures used for inter coding the current picture has a same CTU size as that of the current picture when the reference picture is not an Inter Layer Reference Picture (ILRP) containing one subpicture.
Claims12
A video processing method for pictures partitioned into subpictures in a video encoding or decoding system, comprising:
- receiving input video data associated with a current picture, wherein the current picture is composed of a plurality of Coding Tree Units (CTUs) for encoding or decoding;
- partitioning the current picture into a plurality of subpictures, wherein each subpicture contains a plurality of complete CTUs and boundaries of the subpictures are aligned with grids of the current picture in units of CTUs;
- determining one or more reference pictures for inter coding the current picture, wherein each reference picture has a same CTU size as the current picture when the reference picture is not an Inter Layer Reference Picture (ILRP) containing one subpicture;
- and
- encoding or decoding one or more blocks in one or more CTUs of the current picture by inter coding using the one or more reference pictures.
An apparatus of video processing method in a video encoding or decoding system, the apparatus comprising one or more electronic circuits configured for:
- receiving input video data associated with a current picture, wherein the current picture is composed of a plurality of Coding Tree Units (CTUs) for encoding or decoding;
- partitioning the current picture into a plurality of subpictures, wherein each subpicture contains a plurality of complete CTUs and boundaries of the subpictures are aligned with grids in units of CTUs;
- determining one or more reference pictures for inter coding the current picture, wherein each reference picture has a same CTU size as the current picture when the reference picture is not an Inter Layer Reference Picture (ILRP) containing one subpicture;
- and
- encoding or decoding one or more blocks in one or more CTUs of the current picture by inter coding using the one or more reference pictures.
A non-transitory computer readable medium storing program instruction causing a processing circuit of an apparatus to perform a video processing method for pictures partitioned into subpictures, and the method comprising:
- receiving input video data associated with a current picture, wherein the current picture is composed of a plurality of Coding Tree Units (CTUs) for encoding or decoding;
- partitioning the current picture into a plurality of subpictures, wherein each subpicture contains a plurality of complete CTUs and boundaries of the subpictures are aligned with grids in units of CTUs;
- determining one or more reference pictures for inter coding the current picture, wherein each reference picture has a same CTU size as the current picture when the reference picture is not an Inter Layer Reference Picture (ILRP) containing one subpicture;
- and
- encoding or decoding one or more blocks in one or more CTUs of the current picture by inter coding using the one or more reference pictures.
Dependencies are inferred from the claim text.