[Insight-users] Spacing and itk::RecursiveGaussianImageFilter

[tf2003]

I have the same question. 

And I found that sigma is stated to be in the units of image spacing in
class smoothingRecursiveGaussianImageFilter while is said to be measured in
milimeters in RecursiveGaussianImageFilter. I check the code, didn't found
any process in converting the sigma between these two.

Have you found the answer to this question or can somebody answer this?

Thanks!

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