Hi Victor, I don't think we've seen that, at least I never have. If you have a subject that this happens to can you upload it for us with the first set of control points that result in missing a lot of surface (together with the poor surfaces)?
cheers Bruce On Fri, 26 Feb 2010, Laluz, Victor wrote: > Hello, > > Throughout most of Freesurfer's version history, I have noticed this problem > pop up every 50 or so cases I do: > > I will have a pretty well-processed surface but with some inaccuracies in the > WM surface, I will put control points down to correct it, and reprocess with > autorecon2-cp as usual. The surface comes back with the areas I put CPs for > accurate, but the rest of the cortex in a localized area will have a massive > amount of the surface missing. An example is attached as a .png image. > > Now, if I go back and put down control points throughout the part of the > surface that is missing after the first reprocessing and repeat > autorecon2-cp, the end result at that point is usually a perfectly accurate > surface. However, I was wondering if the massive loss in surface after the > first autorecon2-cp is attributable to some kind of bug that I might be able > to avoid. > > Any thoughts would be great, thanks! > > Victor > > Victor Laluz > Imaging Coordinator > UCSF Memory and Aging Center > 350 Parnassus Avenue, Suite 905 > > Box 1207 > > San Francisco, CA 94143-1207 > Phone: (415) 476.1680 > Fax: (415) 476.1816 > Email: vla...@memory.ucsf.edu<mailto:vla...@memory.ucsf.edu> > memory.ucsf.edu<http://www.memory.ucsf.edu/> > www.youtube.com/ucsfmemoryandaging<http://www.youtube.com/ucsfmemoryandaging> > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
