itkCumulativeGaussianCostFunction.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkCumulativeGaussianCostFunction.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:29:37 $
  Version:   $Revision: 1.3 $

  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 __itkCumulativeGaussianCostFunction_h
#define __itkCumulativeGaussianCostFunction_h

#include "itkMultipleValuedCostFunction.h"

namespace itk
{

class CumulativeGaussianCostFunction : public MultipleValuedCostFunction
{
public:

  typedef CumulativeGaussianCostFunction    Self;
  typedef MultipleValuedCostFunction        Superclass;
  typedef SmartPointer<Self>                Pointer;
  typedef SmartPointer<const Self>          ConstPointer;

  itkNewMacro(Self);

  typedef Superclass::ParametersType        ParametersType;
  typedef Superclass::MeasureType           MeasureType;
  typedef Superclass::DerivativeType        DerivativeType;

  enum {SpaceDimension = 4};

  void GetDerivative( const ParametersType & itkNotUsed(parameters), 
                      DerivativeType & itkNotUsed(derivative)) const {};

  MeasureType GetValue( const ParametersType & parameters ) const;
  
  MeasureType * GetValue( ParametersType & parameters );

  double CalculateFitError(MeasureType * setTestArray);

  double EvaluateCumulativeGaussian(double argument) const;

  unsigned int GetNumberOfParameters() const;

  unsigned int GetNumberOfValues() const;

  void Initialize(unsigned int rangeDimension);

  void SetOriginalDataArray(MeasureType * setOriginalDataArray);

protected:
  CumulativeGaussianCostFunction();
  virtual ~CumulativeGaussianCostFunction();

  void PrintSelf(std::ostream &os, Indent indent) const;

private:
 
  MeasureType * m_OriginalDataArray;

  unsigned int m_RangeDimension;

  mutable MeasureType m_Measure;
  mutable MeasureType * m_MeasurePointer;
  mutable ParametersType m_Parameters;
};

} // end namespace itk

#endif

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