Method of watermarking a color image by vectorial approach, method of detecting a mark of watermarking, corresponding devices, image and computer programs
US7555137B2 · kind B2 · utility
2Cited by
4References
23Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 9, 2004 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Dec 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2201/0052
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of watermarking a color image that has at least three components is provided. Such a method of watermarking includes an insertion step of a mark of watermarking, on at least one point of the image, according to an insertion rule taking into account the relative position of at least three component vectors, associated to said at least one point.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.