| Facial Expression Biometrics Using Tracker Displacement Features Recent countries visiting this post |  |
 | 6 | United States |
 | 1 | Germany |
 | 1 | |
 | 1 | China |
| Facial Expression Biometrics Using Tracker Displacement Features Recent countries visiting this post | |
| 6 | United States |
| 1 | Germany |
| 1 | |
| 1 | China |