Tracking and determining pictures in successive interdependency levels
US9716883B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2014 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Oct 11, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/17318
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Systems and methods that receive a video stream comprising a sequence of compressed pictures, the compressed pictures comprising a plurality of levels of picture importance including a first picture level and a second picture level, track the compressed pictures to ascertain which of the compressed pictures correspond to the first level, and responsive to ascertaining which of the compressed pictures correspond to the first level, tracking the compressed pictures to ascertain which of the compressed pictures correspond to the second level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.