[Insight-users] Speeding up the evaluation of the itk::Gaussian?

[Bill Lorensen]

What platform are you running on? What compiler? What BUILD_TYPE?

On Tue, Sep 8, 2009 at 7:53 PM, motes motes<mort.motes at gmail.com> wrote:
> In a loop that iterates a 128*128 image I am currently using a 2D itk::Gaussian:
>
>
> #include "itkGaussianSpatialObject.h"
> ....
>
>  ti.GoToBegin();
>
>  while(!ti.IsAtEnd())  {
>
>      .....
>      InputPointType translated = tmp + (location-point);
>      double value;
>      m_Gaussian->ValueAt(translated, value);
>      ....
>
> }
>
> but it totally kills the performance (without the gaussian call it
> takes seconds and with the gaussian call it takes minutes!). Is there
> someway to speed up the evaluation of the 2D  itk::Gaussian ?
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