Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6975742 | Rate-distortion optimization system and method for image compression | — | 2005-12-13 |
| 6973213 | Background-based image segmentation | Zhigang Fan | 2005-12-06 |
| 6956958 | Method of embedding color information in printed documents using watermarking | Zhigang Fan, Shen-Ge Wang | 2005-10-18 |
| 6954541 | Method of detecting changes occurring in image editing using watermarks | Zhigang Fan, Robert J. Rolleston | 2005-10-11 |