[Insight-users] x&y component of the gradient of an image

[Sergio Vera]

Hello!With  itk::GradientImageFilter you obtain a output image consisting of
a covariant vector image with the x and y components...If you want to
generate separated x and y components in two different images you can use
iterators to traverse the covariant vector image and just copy the x and y
values into different imagesregards
2011/9/22 Antonio Gómez Barquero <agb1 at alu.upct.es>

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> Hello!****
>
> I would like to calculate the *x* and *y* component of the gradient of a
> 2D image. As in MATLAB is calculated with [dT2,dT1] = gradient(T);****
>
> ** **
>
> ReaderType::Pointer T_g            // image ****
>
>                 FilterType::Pointer gradientFilter = FilterType::New();***
> *
>
>                 gradientFilter->SetInput( T_g->GetOutput());****
>
>                 gradientFilter->Update();****
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> With this sentence, I get the result, but I want to have the x-component
> and the y-component****
>
> gradientFilter->GetOutput()****
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> Is there any method to extract it? I am looking for it but I have no
> positive result!****
>
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> Thanks so much****
>
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> Antonio****
>
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> ** **
>
> Ingeniero de Telecomunicaciones -Becario Investigador asociado a
> Actividades de I+D+I ****
>
> GTTS ( Grupo de Tratamiento y Teoría de la Señal)[ http://gtts.upct.es/]**
> **
>
> UPCT (Universidad Politécnica de Cartagena)[ http://www.upct.es/]****
>
> ** **
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-- 
Sergio Vera

 Alma IT Systems
 C/ Vilana, 4B, 4º 1ª
 08022 Barcelona
 T. (+34) 932 380 592
 www.alma3d.com
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