| A Hand-held Photometric Stereo Camera for 3-D Modeling Recent countries visiting this post |  |
 | 29 | United States |
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| A Hand-held Photometric Stereo Camera for 3-D Modeling Recent countries visiting this post | |
| 29 | United States |
| 5 | Germany |
| 5 | Romania |
| 4 | Japan |
| 1 | Sweden |
| 1 | Finland |
| 1 | China |
| 1 | Italy |