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Dear Freesurfer community,

I am trying to extract SUV values from sub-cortical segmentation or gtmseg
I don t want to use any PVC.

I used the following commands:

gtmseg --s xyz

then
mri_coreg --s xyz --mov abetapet.nii.gz --reg abetapet.reg.lta

following


mri_vol2vol --mov abetapet.nii --reg abetapet.reg.lta --targ orig.mgz --o
abetapet.sm00.nii.gz


and

mri_segstats  --annot xyz lh gtmseg --i abetapet.sm00.nii.gz --sum
xyz_abeta.stats

resulting in this dimension mismatch error:
input 256 256 256
  seg   416 450 476

Is that the correct way for doing this analysis? any suggestions how to
solve the mismatch error?

Thanks,
Boris
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