itkLevelSetMotionRegistrationFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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 itkLevelSetMotionRegistrationFilter_h
#define itkLevelSetMotionRegistrationFilter_h

#include "itkPDEDeformableRegistrationFilter.h"
#include "itkLevelSetMotionRegistrationFunction.h"

namespace itk
{
template< typename TFixedImage, typename TMovingImage, typename TDisplacementField >
class ITK_TEMPLATE_EXPORT LevelSetMotionRegistrationFilter:
  public PDEDeformableRegistrationFilter< TFixedImage, TMovingImage,
                                          TDisplacementField >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(LevelSetMotionRegistrationFilter);

  using Self = LevelSetMotionRegistrationFilter;
  using Superclass = PDEDeformableRegistrationFilter< TFixedImage, TMovingImage, TDisplacementField >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(LevelSetMotionRegistrationFilter,
               PDEDeformableRegistrationFilter);

  using TimeStepType = typename Superclass::TimeStepType;

  using FixedImageType = typename Superclass::FixedImageType;
  using FixedImagePointer = typename Superclass::FixedImagePointer;

  using MovingImageType = typename Superclass::MovingImageType;
  using MovingImagePointer = typename Superclass::MovingImagePointer;

  using DisplacementFieldType = typename Superclass::DisplacementFieldType;
  using DisplacementFieldPointer = typename Superclass::DisplacementFieldPointer;

  using FiniteDifferenceFunctionType = typename Superclass::FiniteDifferenceFunctionType;

  using LevelSetMotionFunctionType = LevelSetMotionRegistrationFunction< FixedImageType, MovingImageType,
                                              DisplacementFieldType >;

  virtual double GetMetric() const;

  virtual void SetAlpha(double);

  virtual double GetAlpha() const;

  virtual void SetIntensityDifferenceThreshold(double);

  virtual double GetIntensityDifferenceThreshold() const;

  virtual void SetGradientMagnitudeThreshold(double);

  virtual double GetGradientMagnitudeThreshold() const;

  virtual void SetGradientSmoothingStandardDeviations(double sigma);

  virtual double GetGradientSmoothingStandardDeviations() const;

protected:
  LevelSetMotionRegistrationFilter();
  ~LevelSetMotionRegistrationFilter() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void InitializeIteration() override;

  void ApplyUpdate(const TimeStepType& dt) override;

  bool Halt() override;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLevelSetMotionRegistrationFilter.hxx"
#endif

#endif