| Image Analysis and Synthesis Using Physics-Based Modeling for Pearl Quality Evaluation System Recent countries visiting this post |  |
 | 3 | United States |
 | 1 | Germany |
 | 1 |
| Image Analysis and Synthesis Using Physics-Based Modeling for Pearl Quality Evaluation System Recent countries visiting this post | |
| 3 | United States |
| 1 | Germany |
| 1 |