| Transforming Camera Geometry to A Virtual Downward-Looking Camera: Robust Ego-Motion Estimation and Ground-Layer Detection Recent countries visiting this post |  |
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| Transforming Camera Geometry to A Virtual Downward-Looking Camera: Robust Ego-Motion Estimation and Ground-Layer Detection Recent countries visiting this post | |
| 5 | United States |
| 3 | |
| 2 | China |
| 1 | Italy |