Alexandru, You will want to add the flag --reshape to the mri_surf2surf command. That will fix the dimension mismatch problem.
Nick On Sat, 2008-12-06 at 14:43 +0000, Alexandru Hanganu wrote: > Dear Freesurfer users, > > We have an MNI mask and we want to apply this mask on a group of > subjects for small volume correction. > so we did the following steps: > > 1. cd $SUBJECTS_DIR/fsaverage/surf > fslregister --s fsaverage --mov /path/to/TT_avg152T1.nii --reg > TT_avg152T1_to_fsaverage.dat > > 2. cd $SUBJECTS_DIR/fsaverage/surf > mri_vol2surf --mov /path/to/ROI5.nii --reg > TT_avg152T1_to_fsaverage.dat --projdist-max 0 1 0.1 --interp nearest > --hemi lh --out lh.fsaverage.ROI5.mgh > > 3. cd $SUBJECTS_DIR/subjid/surf > mri_surf2surf --s subjid --trgsubject fsaverage --hemi lh --sval > lh.thickness --tval lh.thickness.fsaverage.mgh > . > . > . > Surf2Surf: Dividing by number of hits (163842) > INFO: nSrcLost = 0 > nTrg121 = 147410, nTrgMulti = 16432, MnTrgMultiHits = 2.25237 > nSrc121 = 86069, nSrcLost = 0, nSrcMulti = 42416, MnSrcMultiHits = > 2.31875 > Saving target data > > > > 4. Next step was just for verifying, but we received an error (maybe > it's not so important): > cd $SUBJECTS_DIR/subjid/surf > mri_segstats --seg $SUBJECTS_DIR/fsaverage/surf/lh.fsaverage.ROI5.mgh > --in lh.thickness.fsaverage.mgh --sum segstats-ROI5.txt > > Loading /usr/local/freesurfer/subjects/fsaverage/surf/lh.fsaverage.ROI5.mgh > Loading lh.thickness.fsaverage.mgh > ERROR: dimension mismatch between input volume and seg > > We want to determine the statistics only for this mask for the whole > group of subjects (qdec, or mri_glmfit). > If the mapping of our subjects thickness data was good, what should we > do next in order to achieve our goal ? > > Thank you. > > Best regards, > Dr. Alexandru Hanganu > ___________________________________ > Department of Neurology, > Schleswig-Holstein University Hospital, Kiel Campus > Arnold-Heller-Str. 3, building no. 41 > D-24105 Kiel, Germany. > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
