Temporal merge candidates in merge candidate lists in video coding
US12137208B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2022 |
| Grant date | Nov 5, 2024 |
| Priority date | — |
| Expiry date | Dec 30, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/172
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A VVC-standard encoder and a VVC-standard decoder implement improvements over VVC and ECM in a number of regards: a temporal motion vector prediction candidate selection method utilizing relocation of a collocated CTU; a temporal motion vector prediction candidate selection method utilizing expanded selection range; a temporal motion vector prediction candidate selection method utilizing unconditional derivation of a scaled motion vector; a temporal motion vector prediction candidate selection method utilizing omission of scaling uni-predicted motion vectors to bi-predicted motion vectors; a temporal motion vector prediction candidate selection method utilizing multiple options in setting a reference picture index; a temporal motion vector prediction candidate selection method utilizing scaling factor offsetting; a merge candidate list building method omitting a temporal motion vector prediction candidate; and a picture reconstruction method utilizing motion information refinement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.