itkKittlerIllingworthThresholdCalculator.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  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 itkKittlerIllingworthThresholdCalculator_h
#define itkKittlerIllingworthThresholdCalculator_h
 
#include "itkHistogramThresholdCalculator.h"
 
namespace itk
{
 
template <typename THistogram, typename TOutput = double>
class ITK_TEMPLATE_EXPORT KittlerIllingworthThresholdCalculator
  : public HistogramThresholdCalculator<THistogram, TOutput>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(KittlerIllingworthThresholdCalculator);
 
  using Self = KittlerIllingworthThresholdCalculator;
  using Superclass = HistogramThresholdCalculator<THistogram, TOutput>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(KittlerIllingworthThresholdCalculator);
 
  using HistogramType = THistogram;
  using OutputType = TOutput;
 
protected:
  KittlerIllingworthThresholdCalculator() = default;
  ~KittlerIllingworthThresholdCalculator() override = default;
 
  void
  GenerateData() override;
 
  using TotalAbsoluteFrequencyType = typename HistogramType::TotalAbsoluteFrequencyType;
  using AbsoluteFrequencyType = typename HistogramType::AbsoluteFrequencyType;
  using InstanceIdentifier = typename HistogramType::InstanceIdentifier;
  using SizeValueType = typename HistogramType::SizeValueType;
 
private:
  IndexValueType
  Mean();
  double
  A(InstanceIdentifier j);
  double
  B(InstanceIdentifier j);
  double
  C(InstanceIdentifier j);
};
 
} // end namespace itk
 
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkKittlerIllingworthThresholdCalculator.hxx"
#endif
 
#endif