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Thank you Douglas for this clarification.
So, correction of inhomogeneities and intensity normalization would have no positive effect on the PET/MR coregistration ?
Best, Matt
Le 3 janv. 2019 à 20:04, Greve, Douglas N.,Ph.D. DGREVE@mgh.harvard.edu a écrit :
I doubt it would make much difference. If your PET has lots of extracerebral uptake, then I might use something that has not been skull stripped (eg, orig.mgz, T1.mgz, nu.mgz). If it does not have much extracerebral, then using brain.mgz is probably better.
On 12/31/18 10:53 AM, Bruce Fischl wrote:
HI Matt
yes, I would agree, but Doug will give you the definitive answer
cheers Bruce On Fri, 28 Dec 2018, Matthieu Vanhoutte wrote:
External Email - Use CautionDear Freesurfer’s experts,
I used mri_coreg command to coregister PET image onto T1 volume. Basically, this command coregister PET image onto orig.mgz volume (default target). However, I wonder if T1.mgz wouldn’t be a better target since it has been corrected for inhomogeneities and intensity normalized ?
Thanks for helping !
Best, Matt
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