mitkSVModelFitCostFunction.h

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/*============================================================================
 
The Medical Imaging Interaction Toolkit (MITK)
 
Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.
 
Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.
 
============================================================================*/
 
#ifndef mitkSVModelFitCostFunction_h
#define mitkSVModelFitCostFunction_h
 
#include <itkSingleValuedCostFunction.h>
#include <itkMacro.h>
 
#include <mitkModelFitCostFunctionInterface.h>
 
#include <MitkModelFitExports.h>
 
namespace mitk
{
 
class MITKMODELFIT_EXPORT SVModelFitCostFunction : public itk::SingleValuedCostFunction, public ModelFitCostFunctionInterface
{
public:
 
    typedef SVModelFitCostFunction Self;
    typedef itk::SingleValuedCostFunction Superclass;
    typedef itk::SmartPointer< Self >                            Pointer;
    typedef itk::SmartPointer< const Self >                      ConstPointer;
 
    typedef ModelFitCostFunctionInterface::SignalType SignalType;
    typedef Superclass::MeasureType MeasureType;
    typedef Superclass::DerivativeType DerivativeType;
 
    void SetSample(const SignalType &sampleSet) override;
 
    MeasureType GetValue(const ParametersType& parameter) const override;
 
    void GetDerivative (const ParametersType &parameters, DerivativeType &derivative) const override;
 
    unsigned int GetNumberOfParameters (void) const override;
 
    mitkOverrideSetConstObjectMacro(Model, ModelBase);
    mitkOverrideGetConstObjectMacro(Model, ModelBase);
 
    itkSetMacro(DerivativeStepLength, double);
    itkGetConstMacro(DerivativeStepLength, double);
 
protected:
 
    virtual MeasureType CalcMeasure(const ParametersType &parameters, const SignalType& signal) const = 0;
 
    SVModelFitCostFunction(): m_DerivativeStepLength(1e-5)
        {
    }
 
    ~SVModelFitCostFunction() override{}
 
    SignalType m_Sample;
 
private:
    ModelBase::ConstPointer m_Model;
 
    double m_DerivativeStepLength;
};
 
}
 
#endif