| Extraction of building polygons from SAR images: Grouping and decision-level in the GESTALT system Recent countries visiting this post |  |
 | 4 | United States |
 | 1 | Sweden |
| Extraction of building polygons from SAR images: Grouping and decision-level in the GESTALT system Recent countries visiting this post | |
| 4 | United States |
| 1 | Sweden |