itkSymmetricForcesDemonsRegistrationFilter.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 itkSymmetricForcesDemonsRegistrationFilter_h
#define itkSymmetricForcesDemonsRegistrationFilter_h

#include "itkPDEDeformableRegistrationFilter.h"
#include "itkSymmetricForcesDemonsRegistrationFunction.h"

namespace itk
{
template< typename TFixedImage, typename TMovingImage, typename TDisplacementField >
class ITK_TEMPLATE_EXPORT SymmetricForcesDemonsRegistrationFilter:
  public PDEDeformableRegistrationFilter< TFixedImage, TMovingImage,
                                          TDisplacementField >
{
public:
  typedef SymmetricForcesDemonsRegistrationFilter                                         Self;
  typedef PDEDeformableRegistrationFilter< TFixedImage, TMovingImage, TDisplacementField > Superclass;
  typedef SmartPointer< Self >                                                            Pointer;
  typedef SmartPointer< const Self >                                                      ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(SymmetricForcesDemonsRegistrationFilter,
               PDEDeformableRegistrationFilter);

  typedef typename Superclass::FixedImageType    FixedImageType;
  typedef typename Superclass::FixedImagePointer FixedImagePointer;

  typedef typename Superclass::MovingImageType    MovingImageType;
  typedef typename Superclass::MovingImagePointer MovingImagePointer;

  typedef typename Superclass::DisplacementFieldType
  DisplacementFieldType;
  typedef typename Superclass::DisplacementFieldPointer
  DisplacementFieldPointer;

  typedef typename Superclass::FiniteDifferenceFunctionType
  FiniteDifferenceFunctionType;

  typedef typename FiniteDifferenceFunctionType::TimeStepType TimeStepType;

  typedef SymmetricForcesDemonsRegistrationFunction< FixedImageType, MovingImageType,
                                                     DisplacementFieldType >  DemonsRegistrationFunctionType;

  virtual double GetMetric() const;

  virtual const double & GetRMSChange() const ITK_OVERRIDE;

  virtual void SetIntensityDifferenceThreshold(double);

  virtual double GetIntensityDifferenceThreshold() const;

protected:
  SymmetricForcesDemonsRegistrationFilter();
  ~SymmetricForcesDemonsRegistrationFilter() ITK_OVERRIDE {}
  void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  virtual void InitializeIteration() ITK_OVERRIDE;

  virtual void ApplyUpdate(const TimeStepType& dt) ITK_OVERRIDE;

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(SymmetricForcesDemonsRegistrationFilter);
};
} // end namespace itk

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

#endif