freESAdaptiveCovarianceMutation.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: freESAdaptiveCovarianceMutation.h,v $

  Date:      $Date: 2005/03/07 03:39:58 $
  Version:   $Revision: 1.22 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __freESAdaptiveCovarianceMutation_h
#define __freESAdaptiveCovarianceMutation_h

#include "freESMutationBase.h"
#include <itkArray.h>
#include "itkNormalVariateGenerator.h"

namespace FREE
{
  namespace ES
  {

    template <class TIndividual>
    class ITK_EXPORT AdaptiveCovarianceMutation: 
      public MutationBase<TIndividual>
    {
    public:
      typedef AdaptiveCovarianceMutation<TIndividual>     Self ;
      typedef MutationBase<TIndividual>        Superclass;
      typedef itk::SmartPointer<Self>                  Pointer;
      typedef itk::SmartPointer<const Self>            ConstPointer;

      itkNewMacro(Self);

      itkTypeMacro(AdaptiveCovarianceMutation, MutationBase);

      void RegisterStrategicIndividualParameters(IndividualType& individual) const;
      void MutateStrategicIndividualParameters(IndividualType& individual, PopulationType& population) const;

      double MutateValue(const double& value);

      itkSetMacro( StrategicMutationVariance, double );
      itkGetMacro( StrategicMutationVariance, double );

      itkSetMacro( MutateValueVariance, double );
      itkGetMacro( MutateValueVariance, double );

            typedef itk::Statistics::NormalVariateGenerator VariateGeneratorType ;
      VariateGeneratorType& GetRandomGenerator() {return *(m_RandomGenerator.GetPointer());};

    protected:
      AdaptiveCovarianceMutation() ;

      double m_StrategicMutationVariance;
      double m_MutateValueVariance;

      VariateGeneratorType::Pointer m_RandomGenerator;

      void MutateObjectivParameters(IndividualType* pIndividual, PopulationType* pPopulation) const;

    private:
      AdaptiveCovarianceMutation(Self const&); // Purposely not implemented.

    } ; // end of class

  } // end of namespace ES
} // end of namespace FREE


#ifndef ITK_MANUAL_INSTANTIATION
#include "freESAdaptiveCovarianceMutation.txx"
#endif

#endif

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