Method for selecting image pixels to watermark and watermarking method using this selection
US8045755B2 · kind B2 · utility
2Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2008 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Aug 25, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N2005/91392
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to a method to select, in an input image, pixels that can be watermarked by replacing their colour by a metameric colour. It comprises the following steps: The invention also concerns a watermarking method based on metamerism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.