[ITK-users] ImageToImageMetric in Python

[Jagjeet Nain]

Hi Sven,
if it is a Translation Transform, then try this.

import itk
displacement  = itk.TranslationTransform[itk.F,dimension].New()
where dimension looks to be 3 in your case.

BR
JN


On Tue, Apr 8, 2014 at 5:34 PM, Prevrhal, Sven <Sven.Prevrhal at philips.com>wrote:

>  I am looking at the itk Software Guide to figure out how to implement
> this in Python. I have:
>
>
>
>         nccMetric = itk.*NormalizedCorrelationImageToImageMetric*
> .IF3IF3.New()
>
>         nccMetric.SetTransform(itk.*IdentityTransform*.D3.New())
>
>         nccMetric.SetInterpolator(itk.
> *NearestNeighborInterpolateImageFunction*.IF3D.New())
>
>         nccMetric.SetFixedImage(fixedImage)
>
>         nccMetric.SetMovingImage(movingImage)
>
>
>
> which I believe works fine. I am getting stumped by the translation of
> this to Python:
>
>
>
>   # ITK software guide page 390
>
>   # C++ code: MetricType::TransformParametersType displacement( Dimension
> );
>
>         displacement = nccMetric.??
>
>
>
> After which
>
>
>
> value = nccMetric.GetValue( displacement )
>
>
>
> should work fine. Anybody knows this?
>
>
>
> Regards,
>
> Sven
>
>
>
> *Sven Prevrhal*
>
> Philips Research
>
>
>
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