Dear FS experts,
I have PET image "pet.anat.mgz" in subject space. I want to calculate the mean
PET signal for every parcellate and segment in the atlas "wmparc.mgz".
Which one of the following commands is more accurate?
1. mri_segstats --seg $SUBJECTS_DIR/${subj}/mri/wmparc.mgz --ctab
$FREESURFER_HOME/FREESURFERColorLUT.txt --i PET.anat.mgz --sum PET.wmparc.stats
2. mri_segstats --seg mri/wmparc.mgz --sum stats/wmparc.stats --pv
mri/norm.mgz --excludeid 0 --brainmask mri/brainmask.mgz --in mri/
PET.anat.mgz--in-intensity-name norm --in-intensity-units MR --subject ${subj}
--surf-wm-vol --ctab /usr/local/freesurfer/stable5_3_0/WMParcStatsLUT.txt --etiv
Best,
Mohamad
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