| A Computer Vision System that Assembles Canonical Jigsaw Puzzles Using the Euclidean Skeleton and Isthmus Critical Points Recent countries visiting this post |  |
 | 8 | United States |
| A Computer Vision System that Assembles Canonical Jigsaw Puzzles Using the Euclidean Skeleton and Isthmus Critical Points Recent countries visiting this post | |
| 8 | United States |