Facilitating fast channel changes through promotion of pictures
US8259817B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2009 |
| Grant date | Sep 4, 2012 |
| Priority date | — |
| Expiry date | Nov 18, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/895
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method that includes receiving plural representations of a single video signal, wherein each includes a respective sequence of latticed pictures, wherein each latticed picture in each of the plural representations originates from a corresponding respective picture of the video signal; processing the plural representations; separating the processed plural representations into plural segments, each segment consisting of a respective sequence of processed latticed pictures from one of the processed plural representations; arranging the plural segments in successive segments distributions intervals (SDIs) according to a first temporal order and a second temporal order, the successive SDIs to be provided in a video stream; and promoting one or more of the processed latticed pictures among one or more of the plural segments, the promotion corresponding to an increase in picture importance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.