[Insight-users] Evolutinary Optimizer

[Jonathan Wong]

Hi

I currently modified my the MultiResMIRRegistration example and have gotten
it to compile by simply changing the optimizer from Quaternion to the
OnePlusOneEvolutionary optimizer.

I used the default settings everyone seems to be using.

  m_Optimizer->Initialize( 10,1,-1 );
  m_Optimizer->SetEpsilon( 1.0 );
  m_Optimizer->SetMaximumIteration( 4000 );


and i checked my scales, where the translation scale is 16mm, since my image
is 263 with a pixel size of 0.062 mm.

I keep on getting the famous "all the sampled point mapped to the outside o
the moving image" error.

I've been reading similar posts on the mailing list, and they always talk
about setting the radius, shrink, and grow parameters as well as scaling.

However, I wanted to know what Epislon is for? Thanks.

Jonathan Wong
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