What format is the distortion field stored in? If you can get it into .m3z I 
believe we have tools to do what you want 



> On Nov 2, 2014, at 9:37 PM, David Grayson <dgray...@ucdavis.edu> wrote:
> 
> Hi freesurfer experts,
> 
> I have two T1 images from the same subject acquired at the same time point. 
> One of the images is distortion corrected using a calibration phantom, put 
> through the full freesurfer pipeline and then extensively manually edited. 
> The uncorrected image has had zero processing. What I would like now is to 
> have the freesurfer segmentations on the uncorrected image and preserve as 
> much as possible the manual edits. In other words, I would like to warp the 
> surface meshes already obtained on the distortion corrected image to the 
> uncorrected image. Is there already a suggested method that is optimal for 
> this purpose?
> 
> Thanks in advance for any advice!
> 
> -David
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