itkImageRegistrationMethod.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 itkImageRegistrationMethod_h
#define itkImageRegistrationMethod_h

#include "itkProcessObject.h"
#include "itkImage.h"
#include "itkImageToImageMetric.h"
#include "itkSingleValuedNonLinearOptimizer.h"
#include "itkDataObjectDecorator.h"

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

  itkNewMacro(Self);

  itkTypeMacro(ImageRegistrationMethod, ProcessObject);

  typedef          TFixedImage                  FixedImageType;
  typedef typename FixedImageType::ConstPointer FixedImageConstPointer;

  typedef          TMovingImage                  MovingImageType;
  typedef typename MovingImageType::ConstPointer MovingImageConstPointer;

  typedef ImageToImageMetric< FixedImageType, MovingImageType > MetricType;
  typedef typename MetricType::Pointer                          MetricPointer;
  typedef typename MetricType::FixedImageRegionType             FixedImageRegionType;

  typedef  typename MetricType::TransformType TransformType;
  typedef  typename TransformType::Pointer    TransformPointer;

  typedef  DataObjectDecorator< TransformType >      TransformOutputType;
  typedef typename TransformOutputType::Pointer      TransformOutputPointer;
  typedef typename TransformOutputType::ConstPointer TransformOutputConstPointer;

  typedef  typename MetricType::InterpolatorType InterpolatorType;
  typedef  typename InterpolatorType::Pointer    InterpolatorPointer;

  typedef   SingleValuedNonLinearOptimizer OptimizerType;

  typedef  typename MetricType::TransformParametersType ParametersType;

  typedef typename DataObject::Pointer DataObjectPointer;

  void SetFixedImage(const FixedImageType *fixedImage);
  itkGetConstObjectMacro(FixedImage, FixedImageType);

  void SetMovingImage(const MovingImageType *movingImage);
  itkGetConstObjectMacro(MovingImage, MovingImageType);

  itkSetObjectMacro(Optimizer,  OptimizerType);
  itkGetModifiableObjectMacro(Optimizer, OptimizerType);

  itkSetObjectMacro(Metric, MetricType);
  itkGetModifiableObjectMacro(Metric, MetricType);

  itkSetObjectMacro(Transform, TransformType);
  itkGetModifiableObjectMacro(Transform, TransformType);

  itkSetObjectMacro(Interpolator, InterpolatorType);
  itkGetModifiableObjectMacro(Interpolator, InterpolatorType);

  virtual void SetInitialTransformParameters(const ParametersType & param);

  itkGetConstReferenceMacro(InitialTransformParameters, ParametersType);

  itkGetConstReferenceMacro(LastTransformParameters, ParametersType);

  void SetFixedImageRegion(const FixedImageRegionType & region);

  itkGetConstReferenceMacro(FixedImageRegion, FixedImageRegionType);

  itkGetConstMacro(FixedImageRegionDefined, bool);

  itkSetMacro(FixedImageRegionDefined, bool);

  virtual void Initialize();

  const TransformOutputType * GetOutput() const;

  typedef ProcessObject::DataObjectPointerArraySizeType DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  virtual DataObjectPointer MakeOutput(DataObjectPointerArraySizeType idx) ITK_OVERRIDE;

  virtual ModifiedTimeType GetMTime() const ITK_OVERRIDE;

#ifdef ITKV3_COMPATIBILITY

  void StartRegistration(void) { this->Update(); }
#endif

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

  itkSetMacro(LastTransformParameters, ParametersType);

  /* Start the Optimization */
  void StartOptimization();

private:
  ITK_DISALLOW_COPY_AND_ASSIGN(ImageRegistrationMethod);

  MetricPointer          m_Metric;
  OptimizerType::Pointer m_Optimizer;

  MovingImageConstPointer m_MovingImage;
  FixedImageConstPointer  m_FixedImage;

  TransformPointer    m_Transform;
  InterpolatorPointer m_Interpolator;

  ParametersType m_InitialTransformParameters;
  ParametersType m_LastTransformParameters;

  bool                 m_FixedImageRegionDefined;
  FixedImageRegionType m_FixedImageRegion;
};
} // end namespace itk

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

#endif