[ITK] [ITK-users] 3D rigid transform

[Dženan Zukić]

Hi Vijaya,

Fixed parameters are not optimized when a transform is used in image
registration. Center of rotation is usually the fixedparameter. That is the
case with Euler
<https://itk.org/Doxygen/html/classitk_1_1Euler3DTransform.html>, Quat
<https://itk.org/Doxygen/html/classitk_1_1QuaternionRigidTransform.html> and
Versor
<https://itk.org/Doxygen/html/classitk_1_1VersorRigid3DTransform.html> rigid
3D transforms. More transform types are listed here
<https://itk.org/Doxygen/html/group__ITKTransform.html>. This example
<https://itk.org/ITKExamples/src/Filtering/ImageGrid/ResampleAnImage/Documentation.html>,
and this example
<https://itk.org/Wiki/ITK/Examples/SimpleOperations/TranslationTransform> might
help you about how to set parameters and use a transform.

Regards,
Dženan

On Fri, Sep 7, 2018 at 7:30 AM Vijaya Ghorpade via Insight-users <
insight-users at itk.org> wrote:

> Hi
> Before asking this question I searched the whole archive. I am new here.
> I would like to resample an MRI image after applying 3D rigid transform
> (Rotation followed by translation). I found euler3dtransform and
> quaternion3d. The documentation is not suffice to see how to use it
> completely. What are parameters and fixed parameters. How to give suppose
> three angles a, b, c and 3 transtalations x ,y, z to these functions.
> Please help me.
> Thank you so much in advance,
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