Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197163 | Watermark embedding method based on DCT subband image characters | Guo-Zua Wu, Yi-Jung Wang, Zu-Wen Chao | 2007-03-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7197163 | Watermark embedding method based on DCT subband image characters | Guo-Zua Wu, Yi-Jung Wang, Zu-Wen Chao | 2007-03-27 |