Hi Usman, you need to convert the reg to lta (using tkregister2) and then you can use mri_concatenate_lta .
Cheers, Martin On Tue, 2012-07-10 at 17:36 -0400, Usman Khan wrote: > Hi FreeSurfer, > I have two images. One MPRAGE (1x1x1mm) and a T1-weighted > (0.682x0.682x3mm) image used for CBV mapping. We have run FS, with > hippocampal subfields on the MPRAGE and would now like to transform > the posterior probability maps to the T1-weighted CBV space. > > > I have been using > 1) mri_vol2vol with --regheader to map the posterior_* subfield files > to nu.mgz space > 2) mri_robust_register to coregister the nu.mgz file to the > T1-weighted CBV image > > > Is there any way to combine the .reg and .lta files from (1) and (2) > to transform the subfield posterior probability maps directly from > their 0.5mm^3 space to the T1-weighted CBV space? I have been > reluctant to create an intermediate volume between steps 1 and 2, as > resampling the subfield probability maps into 1x1x1mm nu.mgz space > will result in loss of resolution to the 0.68x0.68 (coronal) space in > the T1-weighted CBV scan. > > > Any help would be appreciated > > > Usman > _______________________________________________ > 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 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.
