Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12174923 | Zero-watermarking method and device for BIM data, and medium | Xingxiang Jiang, Changqing Zhu, Hua Sun, Luanyun Hu, Sheng-Wei Chen +4 more | 2024-12-24 |
| 12131401 | Dual watermarking method for trajectory data based on robust watermarking and fragile watermarking | NA REN, Yuchen Hu, Changqing Zhu | 2024-10-29 |
| 12014440 | Watermarking method for high-definition map based on invisible characters | NA REN, Xuchao Lv, Changqing Zhu, Heyan Wang | 2024-06-18 |
| 11983789 | Generation method, detection method, generation device, and detection device of zero watermarking for trajectory data, and storage medium | NA REN, Changqing Zhu, Yuchen Hu, Heyan Wang | 2024-05-14 |