Description
clean up warp field generated by ANTS (or more specifically, WarpMultiImageTransform, replacing background voxels with NaN when they map to regions outside the original image.
syntax:     cleanup_ANTS_warp [ options ] unit_warp ants_warp clean_warp 
Arguments
| unit_warp | the original unit warp image | 
| ants_warp | the warp image as produced by WarpMultiImageTransform. | 
| clean_warp | the output cleaned-up warp image. | 
Options
| -info | display information messages. | 
| -quiet | do not display information messages or progress status. | 
| -debug | display debugging messages. | 
| -help | display this information page and exit. | 
| -version | display version information and exit. |