I have a question about registering DTI maps(10210272, 2mm2mm2mm) onto FreeSurfer conformed space(256256256, 1mm1mm1mm), so what i have done was:
- register t1 on the umsample b0 image use flirt rigid registration, get the deformation matrix
- apply the registration matrix for MD and AD, RD, FA maps with the inversed deformation matrix from step 1 to the FreeSurfer space
- resample the registered FA map into the same size in Freesurfer space (256256256, 1mm1mm1mm)
I did try resampling the FA map before and after registration use mri_convert, but the results do not look well, even the resampling process changes also the space.
Any one have some suggestions?