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Hi,
I am currently using mri_gtmpvc from PETSURFER for partial volume correction. I
have registered the PET image to nu.mgz to get the coregistered PET image (in
1mm T1 space). As I also want to get the final output after PVC in the same
space as PET scans, I use the –reg-identity flag, and the coregistered PET scan
rather than the original PET scan as input. However, as the gtmseg.mgz is in
the 0.5 mm space, it did give me results after Muller-Gartner PVC without any
errors (the mgx.gm file is in the 1mm T1 space), but I am not sure if it is
correct or not. Can you help me with this issue?
I attached the code I used:
mri_gtmpvc \
--i ${PET_smoothed_image_coregistered} \
--seg ${GTMSEG_resampled_to_T1mm} \
--reg-identity \
--default-seg-merge \
--no-reduce-fov \
--mgx .1 \
--psf 6 \
--no-rescale \
--o ${ROI_folder}/${FS_SUBJECT_ID}_gtmpvc_noscale
Thanks,
Yuheng
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