[ITK-users] one dimensional median filter, incredibly slow

Matt McCormick matt.mccormick at kitware.com
Wed Apr 8 22:01:53 EDT 2015


Hi jp,

How does the MedianImageFilter compare?

Thanks,
Matt

On Wed, Apr 8, 2015 at 10:46 AM, jp <cervellone at gmail.com> wrote:
> Dear all,
> i would like to apply a median filter but only in one image dimension, so i
> use the rank image filter with a box structuring  element. of radius 0,0,1.
> While the result is what i want the speed is abysmal.
> Does anyone have an idea ?
>
> I am currenlly using itk 4.4.2 through python.
>
> Here is the code:
>
> strel = itk.FlatStructuringElement[3].Box([0,0,1])
> median = itk.RankImageFilter[itkType,itkType, strel].New(reader,
> Kernel=strel)
>
> Thanks very much
>
> jp
>
>
>
>
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