Issued Patents 2024
Showing 1–3 of 3 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, Shuwen Yang, Tao Tan, Zufeng Li +2 more | 2024-12-03 |
| 12118767 | Classification method based on skeleton lines for map building shapes | Haowen Yan, Xiaomin Lu, Liming Zhang, Ben Ma, Pengbo Li +1 more | 2024-10-15 |
| 12073486 | Reversible watermarking method for oblique photography three-dimensional models with controllable accuracy | Haowen Yan, Liming Zhang, Xiaomin Lu, Weifang Yang, Pengbin Wang +1 more | 2024-08-27 |