Thank you for the answer but sorry, I don't know how use mri_ca_label function! I have aparc+aseg.mgz volume segmentation and I would have a probabilistic segmentation of gray matter cortical in ctx.mgz file. How can I do? I am a beginner freesurfer user!
best Giacomo 2009/10/14 Bruce Fischl <fis...@nmr.mgh.harvard.edu> > Hi Giacomo, > > we don't write out the probabilities by default. To get them you would need > to add -write_probs <prob volume name> to the mri_ca_label command line (you > can find it in recon-all.log for each subject). > > cheers > Bruce > > On Wed, 14 Oct 2009, Giacomo Mandruzzato wrote: > > ---------- Forwarded message ---------- >> From: Giacomo Mandruzzato <giacomo.man...@gmail.com> >> Date: 2009/10/14 >> Subject: probabilistic segmentation of gray matter >> To: freesurfer@nmr.mgh.harvard.edu >> >> >> >> Hi, >> I have a question about a probabilistic segmentation of gray matter with >> freesurfer. How can I do it? >> if I binarize like this: >> >> mri_binarize --i aparc+aseg.mgz --min 999.5 --o ctx.mgz >> >> I obtain only a mask 0-1. Can I obtain a probablistic map like I obtained >> with SPM and FSL of the gray matter? >> thank you in advance >> >> Giacomo Mandruzzato >> Student of Bioengineering >> Universiti of Padova >> >>
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