Maintaining a plurality of codebooks related to a video signal
US7397858B2 · kind B2 · utility
45Cited by
25References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 2003 |
| Grant date | Jul 8, 2008 |
| Priority date | — |
| Expiry date | Jun 25, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N19/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of enhancing picture quality of a video signal is disclosed. The method comprises the steps of receiving an encoded video signal having a plurality of headers; maintaining a plurality of codebooks based upon the differences between a standard definition picture and a high definition picture; and providing a pointer to a particular codebook of the plurality of codebooks when decoding a frame of the video signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.