itkMedianImageFilter.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 itkMedianImageFilter_h
#define itkMedianImageFilter_h
 
#include "itkBoxImageFilter.h"
#include "itkImage.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT MedianImageFilter : public BoxImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MedianImageFilter);

  static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;

  using Self = MedianImageFilter;
  using Superclass = BoxImageFilter<InputImageType, OutputImageType>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(MedianImageFilter);

  using InputPixelType = typename InputImageType::PixelType;
  using OutputPixelType = typename OutputImageType::PixelType;
 
  using InputImageRegionType = typename InputImageType::RegionType;
  using OutputImageRegionType = typename OutputImageType::RegionType;
 
  using InputSizeType = typename InputImageType::SizeType;
 
  static_assert(InputImageDimension == OutputImageDimension);
  itkConceptMacro(InputConvertibleToOutputCheck, (Concept::Convertible<InputPixelType, OutputPixelType>));
  itkConceptMacro(InputLessThanComparableCheck, (Concept::LessThanComparable<InputPixelType>));
 
protected:
  MedianImageFilter();
  ~MedianImageFilter() override = default;

  void
  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkMedianImageFilter.hxx"
#endif
 
#endif