There are no explicit weights. It just uses an iterative procedure in which the value at a vertex is replaced by the average of itself and its neighbors. This approximates gaussian smoothing with the number of iterations being related to the FWHM.
doug On 2/4/15 9:01 PM, Simon Vandekar wrote: > Hello all, > > I am trying to determine the neighbors and weights used in the smoothing > implemented in the surface based smooth used by freesurfer (e.g. as called by > mris_preproc). Can anyone point me to the code that performs the surface > based smoothing in freesurfer? > > Thanks in advance, > Simon > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
