[Insight-users] ThinPlateSplineKernelTransform initialisation for registration

[mathieu rubeaux]

Hi all,
I try to register 3D CT-images using TPS transform and LBFGSBO optimizer. I didn't find any examples using TPS in the ITK examples. So my question is : what kind of initialisation should I use for the TPS kernel transform? Do I have to give initial source and target landmarks?
For the moment, I initialize with the same landmarks for the source and target but I get this message : 
/usr/include/InsightToolkit/Utilities/vxl/core/vnl/vnl_matrix.h:189: const T& vnl_matrix::operator()(unsigned int, unsigned int) const [with T = double]: Assertion 'r
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