[ITK-users] Inverse of Versor Rigid Transform and RIRE

[Matt McCormick]

Hi Gabriel,

> Yes Matt, but the strange thing is that while the value of a metric is
> little better the result is worse...should not be better? or nearly equal ?

Looking at the resampled image at both positions may be informative.


> Yes, in my GA approach is critical the execution time of the
> Metric...because it must be calculated for each individual in the
> population. I think I have to use an alternative like a GA-Surrogate model
> to improve my implementation.

Another interesting optimizer that does well with local minima is the
ParticleSwarmOptimizer [1].

HTH,
Matt

[1] http://www.itk.org/Doxygen/html/classitk_1_1ParticleSwarmOptimizer.html