Hi Shanqing, this is a known problem. One way around it is to convert the label to an annotation (mris_label2annot), then run mri_aparc2aseg (converts surface info into a volume), then mri_cor2label to extract the final label. It's not elegant, but it works.
doug Shanqing Cai wrote: > Hi, > > I am using mri_label2vol to generate some volume ROIs from surface labels. I > noticed that the results contain "holes", by which I mean voxels that aren't > label and are surrounded by labeled voxels. This seems to happen regardless of > the step size I specify after the "--proj" option of mri_label2vol and this > happens in both the gray- and white-matter projections. I am using FS 5.1.0. > > I wonder whether other people have experienced similar problems and how these > holes can be gotten rid of. > > Thanks! > > Best regards, > Shanqing Cai > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ 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.