When we run repeated analyses on the same data on the same system, we always get the same results
doug


On 4/17/2020 11:32 AM, Billah, Tashrif wrote:
Hi Xiaojiang and Douglas,

I think it is the attribute of having random initialization in the registration steps. This slight discrepancy can also be observed with antsRegistration. 
I don't know the exact algorithm FreeSurfer uses for registration though.

Best,
Tashrif


_______________________________________________
Freesurfer mailing list
Freesurfer@nmr.mgh.harvard.edu
https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer