[Insight-users] Structure Tensor in ITK

[Dženan Zukić]

I have done what you have suggested, I think. The class implementation is
attached. If anyone has some comments they are welcome.

Dženan

On Fri, Jun 4, 2010 at 14:46, Karthik Krishnan <karthik.krishnan at kitware.com
> wrote:

> No we don't have such a filter. But we do have the GradientImageFilter (or
> the GradientRecursiveGaussianImageFilter).
>
> You can iterate over the output pixels (covariant vectors) and take the
> outer product of each voxel with itself to construct a
> itk::SymmetricSecondRankTensor. You may want to write an operator class for
> this (see the several itk*Operator's) available in ITK.
>
> Perhaps you could contribute the resulting filter at the Insight-journal
>
> --
> karthik
>
> On Fri, Jun 4, 2010 at 5:48 PM, Sergio Vera <sergio.vera at alma3d.com>wrote:
>
>> Hello
>>
>> I'm in need of calculating the structure tensor (also called second moment
>> matrix) of an image, and it seems that there is not a filter to compute it
>> in ITK.
>> I've seen the class itk::TensorRelativeAnisotropyImageFilter and I'm not
>> sure if it may be related to the structure tensor?
>> --
>> Sergio Vera
>>
>> Alma IT Systems
>> C/ Vilana, 4B, 4º 1ª
>> 08022 Barcelona
>> T. (+34) 932 380 592
>> www.alma3d.com
>>
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>
>
>
>
> _____________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Kitware offers ITK Training Courses, for more information visit:
> http://www.kitware.com/products/protraining.html
>
> Please keep messages on-topic and check the ITK FAQ at:
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