itkRenyiEntropyThresholdImageFilter.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
 *
 *         http://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.
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 *=========================================================================*/
 
#ifndef itkRenyiEntropyThresholdImageFilter_h
#define itkRenyiEntropyThresholdImageFilter_h
 
#include "itkHistogramThresholdImageFilter.h"
#include "itkRenyiEntropyThresholdCalculator.h"
 
namespace itk
{
 
template <typename TInputImage, typename TOutputImage, typename TMaskImage = TOutputImage>
class RenyiEntropyThresholdImageFilter : public HistogramThresholdImageFilter<TInputImage, TOutputImage, TMaskImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(RenyiEntropyThresholdImageFilter);
 
  using Self = RenyiEntropyThresholdImageFilter;
  using Superclass = HistogramThresholdImageFilter<TInputImage, TOutputImage, TMaskImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(RenyiEntropyThresholdImageFilter, HistogramThresholdImageFilter);
 
  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using MaskImageType = TMaskImage;
 
  using InputPixelType = typename InputImageType::PixelType;
  using OutputPixelType = typename OutputImageType::PixelType;
  using MaskPixelType = typename MaskImageType::PixelType;
 
  using InputImagePointer = typename InputImageType::Pointer;
  using OutputImagePointer = typename OutputImageType::Pointer;
 
  using InputSizeType = typename InputImageType::SizeType;
  using InputIndexType = typename InputImageType::IndexType;
  using InputImageRegionType = typename InputImageType::RegionType;
  using OutputSizeType = typename OutputImageType::SizeType;
  using OutputIndexType = typename OutputImageType::IndexType;
  using OutputImageRegionType = typename OutputImageType::RegionType;
  using MaskSizeType = typename MaskImageType::SizeType;
  using MaskIndexType = typename MaskImageType::IndexType;
  using MaskImageRegionType = typename MaskImageType::RegionType;
 
  using HistogramType = typename Superclass::HistogramType;
  using CalculatorType = RenyiEntropyThresholdCalculator<HistogramType, InputPixelType>;
 
  static constexpr unsigned int InputImageDimension = InputImageType::ImageDimension;
  static constexpr unsigned int OutputImageDimension = OutputImageType::ImageDimension;
 
protected:
  RenyiEntropyThresholdImageFilter() { this->SetCalculator(CalculatorType::New()); }
  ~RenyiEntropyThresholdImageFilter() override = default;
};
 
} // end namespace itk
 
#endif