that's interesting. Is it open source? If so, can you point us at it? Maybe
someone should compare it to the version I wrote 20 years ago :)
On Fri, 18 Mar 2016, Mojmír Vinkler wrote:
Thanks!
Just FYI - we applied newer version of NLME from Pierrick Coupé before
running freesurfer and it greatly improved segmentation results.
On Wed, Mar 16, 2016 at 3:47 PM Bruce Fischl <fis...@nmr.mgh.harvard.edu>
wrote:
Hi Mojmir
we don't apply mri_nlfilter by default so there is no need to
turn it
off. You are welcome to try it out. It implement some nonlinear
filters
including what is now called nonlocal means as described in this
paper:
http://ieeexplore.ieee.org/xpl/abstractAuthors.jsp?reload=true&arnumber=745
732
cheers
Bruce
On
Wed, 16 Mar 2016, Mojmír Vinkler wrote:
> Hi,
> I was wondering if it's possible to replace or turn off your
denoising
> algorithm `mri_nlfilter`. We'd like to try different denoising
filters and
> compare how they influence segmentation performance. Right now
we're
> applying filter before running recon-all, but I fear that
applying your
> filter on already filtered image might degrade our analysis.
>
> I couldn't find any mention of mri_nlfilter besides this one
on
mailinglisthttps://mail.nmr.mgh.harvard.edu/pipermail//freesurfer/2011-October/020
762.
> html. I hope I didn't miss something anything.
>
> Thanks!
> Mojmir
>
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