[Insight-users] Questions about TPS in ITK

[Luis Ibanez]

Hi Weihua,


1) When you configure InsightApplications with CMake you
    *MUST* do it from the top directory of InsightApplications.

    It seems that you did it from the ThinPlateSplines directory
    and therefore some of the global CMake variables cannot be
    found.

    This application is just a *demo* on how to use the Kernel
    Transforms and how to integrate ITK with VTK and FLTK.

    It doesn't expect any input and it doesn't produce any
    output, other than the visualization of the splines.

    A brief description of this application is available at

         http://www.itk.org/HTML/ThinPlateSplines.htm



2) The TPS is implemented in ITK as a "Transform". You configure
    this transform by passing a set of "Source" landmarks and
    a set of "Target" landmarks.

    The class in question is
http://www.itk.org/Insight/Doxygen/html/classitk_1_1ThinPlateSplineKernelTransform.html


    closely related classes are all ones derived from the KernelTransform
http://www.itk.org/Insight/Doxygen/html/classitk_1_1KernelTransform.html

    namely
http://www.itk.org/Insight/Doxygen/html/classitk_1_1ElasticBodyReciprocalSplineKernelTransform.html
http://www.itk.org/Insight/Doxygen/html/classitk_1_1ElasticBodySplineKernelTransform.html
http://www.itk.org/Insight/Doxygen/html/classitk_1_1ThinPlateR2LogRSplineKernelTransform.html
http://www.itk.org/Insight/Doxygen/html/classitk_1_1VolumeSplineKernelTransform.html



    You may want to look at the example:

      Insight/Examples/Registration
                         LandmarkWarping2.cxx


    Which uses a deformation field generator based on a Kernel Transform.
http://www.itk.org/Insight/Doxygen/html/classitk_1_1DeformationFieldSource.html




3) You may want to look also at the ITK plugin
    for VolView in

              InsightApplications/VolviewPlugIns/
                              vvITKLandmarkWarping.cxx


    The free version of VolView can be donwloaded from

        http://www.kitware.com/products/volview.html


    The most recent binary build of the ITK VolView plugins
    is available at

       ftp://public.kitware.com/pub/itk/VolViewPlugins/



    Regards,



      Luis



-------------------------
weihuax at sfu.ca wrote:
> Hi, Everyone:
> 
> My job is to 'registration two 3D surface', I have gotten 'Corresponding
> Sets' from two surfaces. Now I want to apply for Thin Plate Spline Nonregid
> method to find the transformation parameters. Who can tell me any
> implementation code in ITK that I can try?
> 
> In fact, I found a 'ThinPlateSplines' in 'InsightApplication', but when I
> use the CMake to configure and build it, I got the error about
> 'ITK_DISABLE_FLTK_GENERATED_WARNINGS', CMake can not regonize it. How Can I
> solve it?
> 
> And I can not find any manual about this application, such as, input
> parameters and format, output specification, Can I use it? How can I use it?
> 
> 
> Thanks a lot
> 
> Weihua
> 
> 
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