otbSVMCrossValidationCostFunction.h

Go to the documentation of this file.

/*
 * Copyright (C) 2005-2022 Centre National d'Etudes Spatiales (CNES)
 *
 * This file is part of Orfeo Toolbox
 *
 *     https://www.orfeo-toolbox.org/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef otbSVMCrossValidationCostFunction_h
#define otbSVMCrossValidationCostFunction_h
 
#include "itkSingleValuedCostFunction.h"
 
namespace otb
{
 
template <class TModel>
class ITK_EXPORT SVMCrossValidationCostFunction : public itk::SingleValuedCostFunction
{
public:
  typedef SVMCrossValidationCostFunction Self;
  typedef itk::SingleValuedCostFunction  Superclass;
  typedef itk::SmartPointer<Self>        Pointer;
  typedef itk::SmartPointer<const Self>  ConstPointer;
 
  itkNewMacro(Self);
 
  typedef TModel                         SVMModelType;
  typedef typename SVMModelType::Pointer SVMModelPointer;
 
  typedef typename Superclass::MeasureType         MeasurementType;
  typedef typename Superclass::ParametersType      ParametersType;
  typedef typename Superclass::ParametersValueType ParametersValueType;
  typedef typename Superclass::DerivativeType      DerivativeType;
 
  itkSetObjectMacro(Model, SVMModelType);
  itkGetObjectMacro(Model, SVMModelType);
 
  itkSetMacro(DerivativeStep, ParametersValueType);
  itkGetMacro(DerivativeStep, ParametersValueType);
 
  MeasureType GetValue(const ParametersType& parameters) const override;
 
  void GetDerivative(const ParametersType& parameters, DerivativeType& derivative) const override;
 
  unsigned int GetNumberOfParameters(void) const override;
 
protected:
  SVMCrossValidationCostFunction();
  ~SVMCrossValidationCostFunction() override;
 
  void UpdateParameters(const ParametersType& parameters) const;
 
private:
  SVMCrossValidationCostFunction(const Self&) = delete;
  void operator=(const Self&) = delete;
 
  SVMModelPointer m_Model;
 
  ParametersValueType m_DerivativeStep;
 
}; // class SVMCrossValidationCostFunction
 
} // namespace otb
 
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbSVMCrossValidationCostFunction.hxx"
#endif
 
#endif