Yes, the white surface is actually pretty good all around. I am actually concerned about how the conditions that created the poor aseg segmentation would impact any subcortical analysis. I am not entirely clear what the impact of this segmentation could be and how (besides a voxel by voxel correction) to fix it.
-Ronny > Hi Ronny > > the white surface seems like it is in the right place most of the time, > isn't it? That's why we use it for morphometry more than the aseg where we > can use either > > > cheers > Bruce > > On Tue, 2 Apr 2013, > preci...@nmr.mgh.harvard.edu wrote: > >> I am having a bit of a problem the aseg on this subject. (See >> 2013.03.22.cor108.aseg.jpg attached) It is way overestimating the white >> matter bilaterally. The problems are about this bad for about 20 or more >> slices so editing manually seems like... a less than efficient >> proposition. Any thoughts on how to fix this programmatically? >> >> For reference, I have a attached some other images with no segmentation >> and using the Desikan-Killiany atlas (aparc+aseg) and the Destrieux >> atlas >> (aparc.a2009s+aseg) which look fine. >> >> Thanks, >> -Ronny > > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
