Re: [Freesurfer] Registering from subjects to a common volume

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Nevermind, I think I got it to work:

mri_vol2vol --mov subject_x_samples.mgz --s subject_x --targ $FREESURFER_HOME/average/mni305.cor.mgz --m3z talairach.m3z --o subject_x_samples_in_mni305.mgz --no-save-reg --interp nearest

If anybody could confirm that this makes sense, I'd still be grateful. ;)

On February 22, 2019 at 11:27 AM Tim Schäfer ts+ml@rcmd.org wrote:

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Dear list,

I would like to register volume data from several subjects to a common volume, e.g., the volume of the fsaverage subject.

The volume data contains some marked voxels and is in the same space as the orig.mgz of the respective subject. I would like to find/see the positions of the voxels in a volume like $FREESURFER_HOME/subjects/fsaverage/mri/brain.mgz.

This would require a non-linear, inter-subject registration I guess. How can I do this in FreeSurfer? Most likely I can somehow use mri_vol2vol to achieve this, but I don't see how. Is the talairach transform what I want?

-- Tim

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