Patent ID: 11968399
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The video decoder of claim 1, comprising a DPB and configured to:
mark pictures in the DPB which are to remain in the DPB to serve as a prediction reference;
remove pictures from the DPB which are not marked and which are not needed for future display; and
in case of the random access point signaling granularity indication assuming the second granularity:
decode from the data stream, for a currently decoded picture, a reference picture buffer description for each sub-picture of the currently decoded picture, and
identify the pictures in the DPB to be marked by, for the currently decoded picture, forming a union of a sets of reference pictures indicated by the reference picture buffer descriptions for the sub-pictures of the currently decoded picture.