| Sub-pixel registration and estimation of local shifts directly in the fourier domain Recent countries visiting this post |  |
 | 4 | Ukraine |
 | 3 | United States |
 | 1 | China |
| Sub-pixel registration and estimation of local shifts directly in the fourier domain Recent countries visiting this post | |
| 4 | Ukraine |
| 3 | United States |
| 1 | China |