System and process for adaptive and progressive scrambling of video streams
US7613298B2 · kind B2 · utility
3Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2005 |
| Grant date | Nov 3, 2009 |
| Priority date | — |
| Expiry date | Oct 14, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/835
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A process for distributing digital video sequences in accordance with a nominal stream format including a succession of frames, each frame including at least one digital block regrouping a plurality of coefficients corresponding to simple, digitally coded visual elements is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.