| A multi-view visual surveillance system based on angle coverage Recent countries visiting this post |  |
 | 7 | United States |
 | 1 | Russian Federation |
 | 1 | Japan |
 | 1 |
| A multi-view visual surveillance system based on angle coverage Recent countries visiting this post | |
| 7 | United States |
| 1 | Russian Federation |
| 1 | Japan |
| 1 |