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Re: [Fwd: Re: Smoothing Functions without distorting matrices' edges]
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From: |
Kevin H. Hobbs |
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Subject: |
Re: [Fwd: Re: Smoothing Functions without distorting matrices' edges] |
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Date: |
Mon, 25 Sep 2006 08:39:09 -0400 |
On Sun, 2006-09-24 at 20:31 +0200, Søren Hauberg wrote:
> I haven't used Perona-Malik that much, but a lot of image processing
> people recommends the algorithm. I think the algorithm is a special case
> of non-linear diffusion, and that the algorithm should be stable.
>
The image processing tool kits VTK and ITK have versions of these
algorithms, and decent documentation and references.
http://www.vtk.org/doc/nightly/html/classvtkImageAnisotropicDiffusion3D.html
http://www.itk.org/Doxygen/html/classitk_1_1AnisotropicDiffusionImageFilter.html
> > and the other,
> > 'iterations' I'm trying to vectorize this smoothing to
> > make it snappy.
It is possible to get their implementations to run in parallel at least
and you may find other ways to accelerate the method in there.
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