If you have the col row and slice of a voxel, then mni305xyz = X*S*crs where crs = [col row slice 1]' X = matrix from subject/mri/transforms/talairach.xfm S = matrix from "mri_info --vox2ras orig.mgz" Note that these coordinates are for MNI305 space. doug
Tianyi Qian wrote: > Dear Freesurfer experts, > > How can I transfer the coordinate in individual space into MNI space. I > don't want to transfer the whole volume, I only need to transfer the > coordinate of some points. > > Thanks, > > -- 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.