[Insight-users] gradient calculation

[Matt McCormick]

Hi Cagatay,

> My question:
> Is there a filter in ITK that performs the traditional and more accurate
> convolution ?

http://www.itk.org/Doxygen/html/classitk_1_1DiscreteGaussianDerivativeImageFilter.html

 I am doing some
> curvature calculation in 3D and need to be as accurate as possible. Also,
> how do I deal with
> different z spacing using this class or other gradient filters ?

This is difficult to do without resampling because the itk Image
assumes uniform spacing.

Matt