Hi Francesca

what's the difference? They are both approximations of Gaussians on the
surface. We use iterative averaging which is a numerical approximation of
a surface-based Gaussian.

cheers
Bruce

On Tue, 3 May 2016, Francesca Strappini wrote:

> Hi all,
>
> I would like to know which model has been implemented for the surface-based
> spatial smoothing in Freesurfer (for example in mri_vol2surf). Heat kernel
> smoothing and/or diffusion smoothing?
>
> Thank you
> Best
>
> Francesca
>
> --
> Francesca Strappini, Ph.D.
> Neurobiology Department
> Weizmann Institute of Science
> 234 Herzl Street, Rehovot 7610001 Israel
> Tel.: +972 58 444 2584
> E-mail: francesca.strappini@weizmann.ac.il
>
>

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