itkAnisotropicDiffusionImageFilter.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.
 *
 *=========================================================================*/
#ifndef itkAnisotropicDiffusionImageFilter_h
#define itkAnisotropicDiffusionImageFilter_h
 
#include "itkDenseFiniteDifferenceImageFilter.h"
#include "itkAnisotropicDiffusionFunction.h"
#include "itkNumericTraits.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT AnisotropicDiffusionImageFilter
  : public DenseFiniteDifferenceImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(AnisotropicDiffusionImageFilter);
 
  using Self = AnisotropicDiffusionImageFilter;
  using Superclass = DenseFiniteDifferenceImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkTypeMacro(AnisotropicDiffusionImageFilter, DenseFiniteDifferenceImageFilter);
 
  using InputImageType = typename Superclass::InputImageType;
  using OutputImageType = typename Superclass::OutputImageType;
  using UpdateBufferType = typename Superclass::UpdateBufferType;
 
  static constexpr unsigned int ImageDimension = Superclass::ImageDimension;
 
  using PixelType = typename Superclass::PixelType;
  using TimeStepType = typename Superclass::TimeStepType;
 
  itkSetMacro(TimeStep, TimeStepType);
  itkGetConstMacro(TimeStep, TimeStepType);
 
  itkSetMacro(ConductanceParameter, double);
  itkGetConstMacro(ConductanceParameter, double);
 
  itkSetMacro(ConductanceScalingUpdateInterval, unsigned int);
  itkGetConstMacro(ConductanceScalingUpdateInterval, unsigned int);
 
  itkSetMacro(ConductanceScalingParameter, double);
  itkGetConstMacro(ConductanceScalingParameter, double);
 
  void
  SetFixedAverageGradientMagnitude(double a)
  {
    m_FixedAverageGradientMagnitude = a;
    this->Modified();
    m_GradientMagnitudeIsFixed = true;
  }
 
  itkGetConstMacro(FixedAverageGradientMagnitude, double);
 
protected:
  AnisotropicDiffusionImageFilter();
  ~AnisotropicDiffusionImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  //  virtual bool Halt();
 
  void
  InitializeIteration() override;
 
  bool m_GradientMagnitudeIsFixed;
 
private:
  double       m_ConductanceParameter;
  double       m_ConductanceScalingParameter;
  unsigned int m_ConductanceScalingUpdateInterval;
  double       m_FixedAverageGradientMagnitude;
 
  TimeStepType m_TimeStep;
};
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkAnisotropicDiffusionImageFilter.hxx"
#endif
 
#endif