Just in case someone hasn't mentioned it yet, try 3dWarpDrive or convert to analyze and use the AIR suite.
Graham is correct. There are past posts about this on the AFNI forum that would be helpful to you. Good luck. Brian -- Brian C. Schweinsburg, Ph.D. Assistant Adjunct Professor of Psychiatry University of California, San Diego Office: 858-552-8585 x6109 Cell: 858-354-3756 > From: Graham Wideman <[EMAIL PROTECTED]> > Date: Wed, 12 Oct 2005 13:56:19 -0700 > To: "freesurfer@nmr.mgh.harvard.edu" <freesurfer@nmr.mgh.harvard.edu> > Subject: Re: [Freesurfer] Coregistration? > > Sorry all -- my mistake. > > I thought our folks here were regularly registering functional to > anatomical scans, and I thought it was done with 3dvolreg. Just now > checking, apparently not. > > And if 3dAnatNudge can't do rotation, not so helpful (though lack of resize > should not be a problem). > > It would be interesting to see what 3dvolreg would do if the anatomy was > resampled to the same grid as that functional scans or vice versa... but > starts to look like a research topic. > > For Nate: It might be worth posting on the AFNI forum to see what other > AFNI-sters position on this topic is... doubtless it's been thought about a > lot more than by me! > > Graham > > Jeff Binder wrote: >> The AFNI program 3dvolreg does coregistration only for volumes acquired >> with the same kind of pulse sequence and consequently the same tissue >> signal values. Use it for coregistering different EPI volumes to each >> other or different T1-weighted structural scans to each other. >> >> I think what Nate was asking about was coregistering EPI data to the >> structural scans. The AFNI program 3dAnatNudge can help with this to some >> extent. It uses simple iterative translational movements to find the best >> fit between a "skull-stripped" anatomy volume and an EPI volume. No >> rotation or resizing is done. >> >> To use this program you remove the skull and other non-brain voxels from >> the anatomy volume. The AFNI programs 3dIntracranial and a newer program >> called 3dSkullStrip both do this. >> >> Jeff > > _______________________________________________ > 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