[Insight-users] DiscreteGaussianImageFilter

[Joshua Cates]

Hi Zein,

Make sure to cast your 8-bit images to real-valued images (i.e. floats or 
doubles) before processing with the DiscreteGaussianImageFilter.

Josh.

On Fri, 19 Mar 2004, salah wrote:

> Hello all,
> 
> I am trying to blur  a 3d binary image with the DiscreteGaussianImageFilter. 
> The image has only values 0 and 255. I want actually to break the 
> direct transition from 255 to 0 at the contours.
> 
> I wrote:
>     DiscreteGaussianImageFilterType::Pointer t_Smoother  =  DiscreteGaussianImageFilterType::New();
>    t_Smoother->SetInput( inputImage); 
>    t_Smoother->SetFilterDimensionality(3);
>    t_Smoother->SetVariance(2.5);
>    t_Smoother->UpdateLargestPossibleRegion();
> 
> 
> I am getting only a black image!! Could you please tell me is I missed 
> some parameter settings !
> 
> Many Thanks,
> Zein
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