[Insight-users] Testing Robustness of Registration

[IsabelleNg]

ITK-users, 

I wish to test one of the registration algorithm by applying random
transformations to the moving image. This is often done in papers that
report registration results as tests of robustness and capture range. Is it
valid to perform these tests by simply initializing the transform with
random numbers? i..e by calling 

registration->SetInitialTransformationParameters( randomXform)? 

Or, do we actually need to physically write out the randomly misaligned
images and then feed back into the algorithm? 

How would results differ with these 2 approaches?

Thanks,
Isabelle


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