Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12158928 | Commutative encryption and watermarking method based on chaotic system and zero watermark for vector geospatial data | Haowen Yan, Liming Zhang, Jingzhong Li, Shuwen Yang, Tao Tan +2 more | 2024-12-03 |
| 12073486 | Reversible watermarking method for oblique photography three-dimensional models with controllable accuracy | Haowen Yan, Liming Zhang, Jingzhong Li, Xiaomin Lu, Pengbin Wang +1 more | 2024-08-27 |