Device and method for coding and decoding video data and data train
US8787441B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2006 |
| Grant date | Jul 22, 2014 |
| Priority date | — |
| Expiry date | Aug 26, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to a device for coding video data comprising means to code a video stream as groups of pictures, each group of pictures comprising at least one description unit relevant to the coding of the said group of pictures. According to the invention, the coding device comprises means to insert in the stream of data at least one message indicating whether the description unit of the current group of pictures is identical to the description unit relevant to the preceding group of pictures. The invention also relates to a device for decoding video data comprising means to decode a stream of data coded with a device according to one of the preceding claims. According to the invention, the decoding device comprises
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.