| A linear estimation method for 3D pose and facial animation tracking Recent countries visiting this post |  |
 | 6 | United States |
 | 4 | |
 | 1 | China |
 | 1 | India |
 | 1 | Japan |
| A linear estimation method for 3D pose and facial animation tracking Recent countries visiting this post | |
| 6 | United States |
| 4 | |
| 1 | China |
| 1 | India |
| 1 | Japan |