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 | 12 | United States |
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| Adaptive Background Mixture Models for Real-Time Tracking Recent countries visiting this post | |
| 12 | United States |
| 3 | |
| 2 | Korea, Republic of |
| 2 | Japan |
| 1 | Sweden |
| 1 | United Kingdom |
| 1 | Israel |
| 1 | China |
| 1 | India |