Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames

Full Title

Methods or arrangements for coding, decoding, compressing or decompressing digital video signals > using adaptive coding > characterised by the element, parameter or selection affected or controlled by the adaptive coding > Selection of coding mode or of prediction mode > Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC COMMUNICATION TECHNIQUE

Subclass:

PICTORIAL COMMUNICATION, e.g. TELEVISION

Scope Notes

Glossary: Group-of-pictures A group of successive pictures forming a logical unit within a coded video sequence in H.26x and MPEG standards. Open GOP A GOP which uses referenced pictures from the previous GOP at the current GOP boundary. Closed GOP A GOP that uses no referenced pictures from the previous GOP at the current GOP boundary (e.g. the classic GOP starting with an I frame) | Limiting references: The selection between spatial and temporal predictive coding