Coding and decoding methods of a picture block, corresponding devices and data stream
US12052432B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 17, 2023 |
| Grant date | Jul 30, 2024 |
| Priority date | — |
| Expiry date | Jul 17, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/4384
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method for decoding a picture block is disclosed. The decoding method comprises: —decoding (10) at least one stream S_diff into decoded data and into one information for identifying a re-constructed reference picture in a decoder picture buffer; —reconstructing (12) a special reference picture from at least the identified reconstructed reference picture and from the decoded data; —reconstructing (16) the picture block from at least the special reference picture, wherein the at least the special reference picture is not displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.