Geometric enumerated watermark embedding for spot colors
US9449357B1 · kind B1 · utility
90Cited by
28References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 2013 |
| Grant date | Sep 20, 2016 |
| Priority date | — |
| Expiry date | Aug 26, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2201/0202
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention relate generally to digital watermarking spot colors. A process color approximation can be used for a spot color, and chrominance watermarking can be performed to insert a watermark. These techniques are particularly suitable for product packaging, color brochures, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.