| High-Level Feature Extraction Experiments for TRECVID 2007 Recent countries visiting this post |  |
 | 3 | United States |
 | 1 | |
 | 1 | Russian Federation |
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| High-Level Feature Extraction Experiments for TRECVID 2007 Recent countries visiting this post | |
| 3 | United States |
| 1 | |
| 1 | Russian Federation |
| 1 | Germany |