itkStochasticPreconditionedGradientDescentOptimizer.h

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#ifndef __itkStochasticPreconditionedGradientDescentOptimizer_h
#define __itkStochasticPreconditionedGradientDescentOptimizer_h
 
#include "itkPreconditionedGradientDescentOptimizer.h"
 
namespace itk
{
class StochasticPreconditionedGradientDescentOptimizer :
  public PreconditionedGradientDescentOptimizer
{
public:
 
  typedef StochasticPreconditionedGradientDescentOptimizer    Self;
  typedef PreconditionedGradientDescentOptimizer           Superclass;
 
  typedef SmartPointer<Self>                  Pointer;
  typedef SmartPointer<const Self>            ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( StochasticPreconditionedGradientDescentOptimizer, PreconditionedGradientDescentOptimizer );
 
  typedef Superclass::MeasureType               MeasureType;
  typedef Superclass::ParametersType            ParametersType;
  typedef Superclass::DerivativeType            DerivativeType;
  typedef Superclass::CostFunctionType          CostFunctionType;
  typedef Superclass::ScalesType                ScalesType;
  typedef Superclass::ScaledCostFunctionType    ScaledCostFunctionType;
  typedef Superclass::ScaledCostFunctionPointer ScaledCostFunctionPointer;
  typedef Superclass::StopConditionType         StopConditionType;
 
  typedef Superclass::PreconditionValueType     PreconditionValueType;
  typedef Superclass::PreconditionType          PreconditionType;
  //typedef Superclass::EigenSystemType           EigenSystemType;
 
  itkSetMacro( Param_a, double );
  itkGetConstMacro( Param_a, double );
 
  itkSetMacro( Param_A, double );
  itkGetConstMacro( Param_A, double );
 
  itkSetMacro( Param_alpha, double );
  itkGetConstMacro( Param_alpha, double );
 
  virtual void AdvanceOneStep( void );
 
  virtual void StartOptimization( void );
 
  itkSetMacro( InitialTime, double );
  itkGetConstMacro( InitialTime, double );
 
  itkGetConstMacro( CurrentTime, double );
 
protected:
 
  StochasticPreconditionedGradientDescentOptimizer();
  virtual ~StochasticPreconditionedGradientDescentOptimizer() {};
 
  virtual double Compute_a( double k ) const;
 
  virtual void UpdateCurrentTime( void );
 
  double m_CurrentTime;
 
private:
 
  StochasticPreconditionedGradientDescentOptimizer( const Self& );  // purposely not implemented
  void operator=( const Self& );              // purposely not implemented
 
  double                        m_Param_a;
  double                        m_Param_A;
  double                        m_Param_alpha;
 
  double                        m_InitialTime;
 
}; // end class StochasticPreconditionedGradientDescentOptimizer
 
 
} // end namespace itk
 
 
#endif // end #ifndef __itkStochasticPreconditionedGradientDescentOptimizer_h