[Insight-users] using the output of itkLevelSetMotionRegistrationFilter for transformation of a point

[pinpress]

Hi,

Please look at the code how the explicit deformation field was generated. It
was basically transforming each and every voxel of the fixed image to the
moving image and then a subtraction was performed. There are at least two
ways to solve your problem:

1). You can simply use the target point(s) to generate the transformed point
and then do subtraction (same as how the deformation field was generated);

2). You can also perform interpolation based on the explicit deformation
field. 

Based on your preference, you may like either of them. Hope this helps.


Yoav Levy wrote:
> 
> hi,
> 
> i am using itkLevelSetMotionRegistrationFilter to register two images. How
> can I use the output of this filter (the deformation field) to find the
> transformation of single point from one image to another. (there is no
> transformation object on which the method TransformPoint() can be
> applied.)
> 
> Thanks,
> Yoav 
> 

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