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

[motes motes]

I am running Vista 64, Visual Studio 2008. I am not sure what you mean
with BUILD_TYPE. I have just used the cmake installer when installing
ITK but without the examples and testing modules.



On Wed, Sep 9, 2009 at 2:46 AM, Bill Lorensen<bill.lorensen at gmail.com> wrote:
> 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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>