[Insight-users] gradient filter

[Luis Ibanez]

Hi Kai,

You will find the full list of ITK classes in the
Doxygen documentation page:

http://www.itk.org/Insight/Doxygen/html/classes.html


There are several filters for computing the Gradient
of an image and obtain it in the form of an image of
vectors:


A) The GradientImageFilter based on convolution:
http://www.itk.org/Insight/Doxygen/html/classitk_1_1GradientImageFilter.html


B) The GradientRecursiveGaussianImageFilter that computes gradients
    using IIR filters and produces gradients tunned to a particular
    scale:
http://www.itk.org/Insight/Doxygen/html/classitk_1_1GradientRecursiveGaussianImageFilter.html




Regards,


    Luis


------------------
Kai Li wrote:

> Hi,
>   First, thanks a lot for all answers to my previous questions. This time
> I'm wondering which class in ITK I should use if I want to get the
> gradient VECTOR (not magnitude). I just want the radius of the kernel to
> be only 1, so the recursive gaussian filters might not be exactly what I
> want.
> 
> Thanks,
> Kai
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