I don't think that is turned on by default. There is smoothing of the 
NMI historgrams, but that is unrelated


On 08/21/2017 12:07 PM, John Anderson wrote:
> Dear Dr Greve,
> Kindly, I wanted to know why "mri_coreg" apples smoothing during 
> registration. e.g.
>
> mri_coreg --s subject --mov template.nii.gz --reg template.reg.lta
>
> Are there any effects on the accuracy of smoothing if I turn off this 
> default feature (specifically in pet surfer pipeline).
>
> mri_coreg --s subject --mov template.nii.gz --reg template.reg.lta 
> --no-smooth
>
> Thank you for any clarification
> John
>
>
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-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
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