mris_expand may do what you want. You can use it to shrink or expand the points on a surface by a fixed percentage or a fixed distance.
Regards, Don Don Krieger, Ph.D. Department of Neurological Surgery University of Pittsburgh (412)648-9654 Office (412)521-4431 Cell/Text From: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Andrea Horváth Sent: Tuesday, September 09, 2014 7:08 AM To: freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] how to shrink wm surface Dear Freesurfers, After running recon-all, the wm surfaces are too close to the pial surface, some gray matter is segmented as white matter as seen in the attached picture (red cross: a bigger cortical part is included in the white matter). How can I shrink the wm surface? Thank you for your help! Andrea
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