[vtkusers] vtkImageAnisotropicDiffusion3D

Kevin H. Hobbs hobbsk at ohiou.edu
Tue Jun 9 13:46:28 EDT 2009


On Mon, 2009-06-08 at 15:29 +0200, Marie HUC wrote:
> Hi, 
> 
> I’m trying to apply the vtkImageAnisotropicDiffusion3D filter which
> use vtkImageData.  I have tried many parameters but without success:
> the compilation works, but after the execution, nothing happens (I
> have exactly the same volume when I visualize it with a renderer).
> 
> Is there anyone that have used this filter and had some results?
> 

I've used this filter. My bet is that either your threshold is too low,
your number of iterations is too low, or your diffusion factor is too
low...

> Moreover, I would like to compare the two volumes (initial volume and
> filtered volume) in order to see if the filter has an effect but I
> don’t know how to compare two vtkImageData…?

You might want to try the vtkImageCheckerboard class.
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