[ITK-users] problem using VersorRigid3DTransform fo 2d/3d registration...Please advice??

[Dženan Zukić]

Hi Vishal,

you probably need to change the line in
itkSiddonJacobsRayCastInterpolateImageFunction.h
<https://github.com/midas-journal/midas-journal-784/blob/master/itkSiddonJacobsRayCastInterpolateImageFunction.h>
which says:
typedef Euler3DTransform<TCoordRep> TransformType;

If you make improvements, would you mind making a pull request to the
repository <https://github.com/midas-journal/midas-journal-784> so others
can benefit from your work?

Regards

On Tue, Feb 2, 2016 at 7:24 AM, vishal <itkhelpacc at gmail.com> wrote:

> hi,
> Im currently working on registering 2d x ray image with 3d CT volume (2d/3d
> registration algorithm) and I have obtained pretty good results by using
> euler 3d transform, siddon Raycast interpolator, powell optimizer and NCG
> metric.. I read some post in the mailing list saying that using Versor 3d
> transform for such application is feasible and I tried it unfortunately Im
> not able to connect the Siddon ray cast interpolator to versor 3d
> transform... this the piece of the code where im initializing the
> interpolator
>
>   const double dtr = ( atan(1.0) * 4.0 ) / 180.0;
>   interpolator1->SetProjectionAngle( dtr*projAngle1 );
>   interpolator1->SetFocalPointToIsocenterDistance(scd);
>   interpolator1->SetThreshold(threshold);
>   interpolator1->SetTransform(transform); // this line the error occurs
>   interpolator1->Initialize();
>    registration->SetInitialTransformParameters( transform->GetParameters()
> );
>
>  the error is as follows..
> error C2664:
>
> 'itk::SiddonJacobsRayCastInterpolateImageFunction<TInputImage,TCoordRep>::SetTransform'
> : cannot convert parameter 1 from 'itk::SmartPointer<TObjectType>' to
> 'itk::Euler3DTransform<TParametersValueType> *'
> D:\Project_realted_example\MyOwnCodeRegistratonWithVersor\versor.cxx    696
>
> IntelliSense: no suitable conversion function from
> "itk::SmartPointer<itk::VersorRigid3DTransform<double>>" to
> "itk::Euler3DTransform<double> *" exists
> d:\Project_realted_example\MyOwnCodeRegistratonWithVersor\versor.cxx    696
>
>
> its seems as though it is impossible to connect siddon ray casting
> interpolator to the versor 3d transform and IT ONLY WORKS with Euler3d
> transform...
> please give me some advice.. how can I solve this problem?
> Regards
> Vishal
>
>
>
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