[ITK-users] Extracting image coordinate transform matrix

[Ramana C]

Hi All,

I am using SimpleITK in Python (but help for any ITK/SimpleITK version would
be appreciated too!). 

I am looking for a way to extract (or construct) the 4 by 4 transformation
matrix from an image that lets me transform physical space coordinates to
voxel coordinates of the image grid, and vice-versa.

I know that the image class has methods such as
image.TransformIndexToPhysicalPoint, but I was hoping that it would be
possible to extract the transformation matrix itself.

Any help with this would be greatly appreciated.

-Ramana








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