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/*
* 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 otbContingencyTableCalculator_h
#define otbContingencyTableCalculator_h
#include "itkObject.h"
#include "itkObjectFactory.h"
#include "otbContingencyTable.h"
#include <map>
namespace otb
{
/**
* \brief ContingencyTableCalculator provide facilities to compute ContingencyTable.
*
* The ContingencyTableCalculator can be used with different structure type,
* the size of the label list should be the same for both list.
*
* \tparam TClassLabel the label data type
* \ingroup OTBUnsupervised
*/
template <class TClassLabel>
class ITK_EXPORT ContingencyTableCalculator : public itk::Object
{
public:
/** Standard class typedefs */
typedef ContingencyTableCalculator Self;
typedef itk::Object Superclass;
typedef itk::SmartPointer<Self> Pointer;
typedef itk::SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(ContingencyTableCalculator, itk::Object);
/** Method for creation through the object factory. */
itkNewMacro(Self);
typedef ContingencyTable<TClassLabel> ContingencyTableType;
typedef typename ContingencyTableType::Pointer ContingencyTablePointerType;
typedef typename std::map<TClassLabel, unsigned long> CountMapType;
typedef typename std::map<TClassLabel, CountMapType> MapOfClassesType;
/** Populate the confusion Matrix for a image iteration.
* \tparam TRefListLabel data structure type which contain the reference labels.
* \tparam TProdListLabel data structure type which contain the produced labels.
*/
template <class TRefIterator, class TProdIterator>
void Compute(TRefIterator itRef, TProdIterator itProd, bool refHasNoData = false, typename TRefIterator::InternalPixelType refNoData = 0,
bool prodHasNoData = false, typename TProdIterator::InternalPixelType prodNoData = 0);
/** Populate the confusion Matrix with input which provide GetMeasurementVector()[0] access
* \tparam TRefListLabel data structure type which contain the reference labels.
* \tparam TProdListLabel data structure type which contain the produced labels.
*/
template <class TRefIterator, class TProdIterator>
void Compute(TRefIterator refBegin, TRefIterator refEnd, TProdIterator prodBegin, TProdIterator prodEnd);
itkGetConstMacro(NumberOfRefClasses, unsigned long);
itkGetConstMacro(NumberOfProdClasses, unsigned long);
itkGetConstMacro(NumberOfSamples, unsigned long);
void Clear();
ContingencyTablePointerType BuildContingencyTable();
protected:
ContingencyTableCalculator();
~ContingencyTableCalculator() override
{
}
// void PrintSelf(std::ostream& os, itk::Indent indent) const override;
private:
ContingencyTableCalculator(const Self&) = delete;
void operator=(const Self&) = delete;
MapOfClassesType m_LabelCount;
unsigned long m_NumberOfRefClasses;
unsigned long m_NumberOfProdClasses;
unsigned long m_NumberOfSamples;
};
}
#ifndef OTB_MANUAL_INSTANTIATION
#include "otbContingencyTableCalculator.hxx"
#endif
#endif // otbContingencyTableCalculator_h
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