itkMultiResolutionPDEDeformableRegistration.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMultiResolutionPDEDeformableRegistration.h,v $
  Language:  C++
  Date:      $Date: 2002/12/14 03:05:03 $
  Version:   $Revision: 1.18 $

  Copyright (c) 2002 Insight Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkMultiResolutionPDEDeformableRegistration_h
#define __itkMultiResolutionPDEDeformableRegistration_h

#include "itkImage.h"
#include "itkImageToImageFilter.h"
#include "itkPDEDeformableRegistrationFilter.h"
#include "itkDemonsRegistrationFilter.h"
#include "itkMultiResolutionPyramidImageFilter.h"
#include "itkVectorExpandImageFilter.h"

#include <vector>

namespace itk
{
template <class TFixedImage, class TMovingImage, class TDeformationField>
class MultiResolutionPDEDeformableRegistration :
  public ImageToImageFilter <TDeformationField, TDeformationField>
{
public:
  typedef MultiResolutionPDEDeformableRegistration Self;
  typedef ImageToImageFilter<TDeformationField, TDeformationField>
    Superclass;
  typedef SmartPointer<Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro( MultiResolutionPDEDeformableRegistration, 
    ImageToImageFilter );

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

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

  typedef TDeformationField DeformationFieldType;
  typedef typename DeformationFieldType::Pointer DeformationFieldPointer;

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

  typedef Image<float,itkGetStaticConstMacro(ImageDimension)> FloatImageType;

  typedef PDEDeformableRegistrationFilter<
    FloatImageType, FloatImageType, DeformationFieldType > RegistrationType;
  typedef typename RegistrationType::Pointer RegistrationPointer;

  typedef DemonsRegistrationFilter<
    FloatImageType, FloatImageType, DeformationFieldType > DefaultRegistrationType;

  typedef MultiResolutionPyramidImageFilter<
    FixedImageType, FloatImageType > FixedImagePyramidType;
  typedef typename FixedImagePyramidType::Pointer FixedImagePyramidPointer;

  typedef MultiResolutionPyramidImageFilter<
    MovingImageType, FloatImageType > MovingImagePyramidType;
  typedef typename MovingImagePyramidType::Pointer MovingImagePyramidPointer;
   
  typedef VectorExpandImageFilter<
    DeformationFieldType, DeformationFieldType > FieldExpanderType;
  typedef typename FieldExpanderType::Pointer  FieldExpanderPointer;

  virtual void SetFixedImage( const FixedImageType * ptr );

  const FixedImageType * GetFixedImage(void);

  virtual void SetMovingImage( const MovingImageType * ptr );

  const MovingImageType * GetMovingImage(void);

  virtual void SetInitialDeformationField( DeformationFieldType * itkNotUsed(ptr) )
    {
    itkExceptionMacro( << "This feature not implemented yet"  );
    // this->SetInput( ptr ); 
    }

  const DeformationFieldType * GetDeformationField(void)
    { return this->GetOutput(); }

  itkSetObjectMacro( RegistrationFilter, RegistrationType );

  itkGetObjectMacro( RegistrationFilter, RegistrationType );
  
  itkSetObjectMacro( FixedImagePyramid, FixedImagePyramidType );

  itkGetObjectMacro( FixedImagePyramid, FixedImagePyramidType );

  itkSetObjectMacro( MovingImagePyramid, MovingImagePyramidType );

  itkGetObjectMacro( MovingImagePyramid, MovingImagePyramidType );

  virtual void SetNumberOfLevels( unsigned int num );

  itkGetMacro( NumberOfLevels, unsigned int );

  itkGetMacro( CurrentLevel, unsigned int );

  itkSetVectorMacro( NumberOfIterations, unsigned int, m_NumberOfLevels );

  virtual const unsigned int * GetNumberOfIterations() const
    { return &(m_NumberOfIterations[0]); }

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

  virtual void GenerateData();

  virtual void GenerateInputRequestedRegion();

  virtual void GenerateOutputInformation();

  virtual void EnlargeOutputRequestedRegion( DataObject *ptr );

private:
  MultiResolutionPDEDeformableRegistration(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  RegistrationPointer        m_RegistrationFilter;
  FixedImagePyramidPointer   m_FixedImagePyramid;
  MovingImagePyramidPointer  m_MovingImagePyramid;
  FieldExpanderPointer       m_FieldExpander;

  unsigned int               m_NumberOfLevels;
  unsigned int               m_CurrentLevel;
  std::vector<unsigned int>  m_NumberOfIterations;

};


} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMultiResolutionPDEDeformableRegistration.txx"
#endif


#endif

---