Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671388 | Method and apparatus for detecting a watermark in a manipulated image | Marc Joseph Rita Op De Beeck, Jaap Haitsma | 2003-12-30 |
| 6625298 | Method and system for embedding extra information, method and system for decoding | Maurice Jerome Justin Jean-Baptiste Maes, Geert F. G. Depovere | 2003-09-23 |
| 6577747 | Detection of auxiliary data in an information signal | Jaap Haitsma | 2003-06-10 |