itkTimeVaryingVelocityFieldImageRegistrationMethodv4.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 itkTimeVaryingVelocityFieldImageRegistrationMethodv4_h
#define itkTimeVaryingVelocityFieldImageRegistrationMethodv4_h

#include "itkImageRegistrationMethodv4.h"

#include "itkGaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform.h"

namespace itk
{

template<typename TFixedImage, typename TMovingImage, typename TOutputTransform =
  GaussianSmoothingOnUpdateTimeVaryingVelocityFieldTransform<double, TFixedImage::ImageDimension>,
  typename TVirtualImage = TFixedImage,
  typename TPointSet = PointSet<unsigned int, TFixedImage::ImageDimension> >
class TimeVaryingVelocityFieldImageRegistrationMethodv4
: public ImageRegistrationMethodv4<TFixedImage, TMovingImage, TOutputTransform, TVirtualImage, TPointSet>
{
public:
  typedef TimeVaryingVelocityFieldImageRegistrationMethodv4                       Self;
  typedef ImageRegistrationMethodv4<TFixedImage, TMovingImage, TOutputTransform,
                                                       TVirtualImage, TPointSet>  Superclass;
  typedef SmartPointer<Self>                                                      Pointer;
  typedef SmartPointer<const Self>                                                ConstPointer;

  itkNewMacro( Self );

  itkStaticConstMacro( ImageDimension, unsigned int, TFixedImage::ImageDimension );

  itkTypeMacro( TimeVaryingVelocityFieldImageRegistrationMethodv4, ImageRegistrationMethodv4 );

  typedef TFixedImage                                                 FixedImageType;
  typedef typename FixedImageType::Pointer                            FixedImagePointer;
  typedef TMovingImage                                                MovingImageType;
  typedef typename MovingImageType::Pointer                           MovingImagePointer;

  typedef typename MovingImageType::RegionType                        RegionType;

  typedef typename Superclass::ImageMetricType                        ImageMetricType;
  typedef typename ImageMetricType::Pointer                           ImageMetricPointer;
  typedef typename ImageMetricType::VirtualImageType                  VirtualImageType;
  typedef typename ImageMetricType::MeasureType                       MeasureType;
  typedef typename Superclass::MultiMetricType                        MultiMetricType;

  typedef TOutputTransform                                            OutputTransformType;
  typedef typename OutputTransformType::Pointer                       OutputTransformPointer;
  typedef typename OutputTransformType::ScalarType                    RealType;
  typedef typename OutputTransformType::DerivativeType                DerivativeType;
  typedef typename DerivativeType::ValueType                          DerivativeValueType;
  typedef typename OutputTransformType::TimeVaryingVelocityFieldType  TimeVaryingVelocityFieldType;
  typedef typename TimeVaryingVelocityFieldType::Pointer              TimeVaryingVelocityFieldPointer;
  typedef typename OutputTransformType::DisplacementFieldType         DisplacementFieldType;
  typedef typename DisplacementFieldType::Pointer                     DisplacementFieldPointer;
  typedef typename TimeVaryingVelocityFieldType::PixelType            DisplacementVectorType;

  typedef typename Superclass::CompositeTransformType                 CompositeTransformType;

  typedef typename Superclass::DecoratedOutputTransformType           DecoratedOutputTransformType;
  typedef typename DecoratedOutputTransformType::Pointer              DecoratedOutputTransformPointer;

  typedef Array<SizeValueType>                                        NumberOfIterationsArrayType;

  itkSetMacro( LearningRate, RealType );
  itkGetConstMacro( LearningRate, RealType );

  itkSetMacro( NumberOfIterationsPerLevel, NumberOfIterationsArrayType );
  itkGetConstMacro( NumberOfIterationsPerLevel, NumberOfIterationsArrayType );

  itkSetMacro( ConvergenceThreshold, RealType );
  itkGetConstMacro( ConvergenceThreshold, RealType );

  itkSetMacro( ConvergenceWindowSize, unsigned int );
  itkGetConstMacro( ConvergenceWindowSize, unsigned int );

protected:
  TimeVaryingVelocityFieldImageRegistrationMethodv4();
  virtual ~TimeVaryingVelocityFieldImageRegistrationMethodv4();
  virtual void PrintSelf( std::ostream & os, Indent indent ) const ITK_OVERRIDE;

  virtual void  GenerateData() ITK_OVERRIDE;

  void ThreadedGenerateData( const RegionType &, ThreadIdType );

  virtual void StartOptimization();

private:
  TimeVaryingVelocityFieldImageRegistrationMethodv4( const Self & ) ITK_DELETE_FUNCTION;
  void operator=( const Self & ) ITK_DELETE_FUNCTION;

  RealType                                                        m_LearningRate;

  RealType                                                        m_ConvergenceThreshold;
  unsigned int                                                    m_ConvergenceWindowSize;

  NumberOfIterationsArrayType                                     m_NumberOfIterationsPerLevel;
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkTimeVaryingVelocityFieldImageRegistrationMethodv4.hxx"
#endif

#endif