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itkDiffeomorphicDemonsRegistrationFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDiffeomorphicDemonsRegistrationFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-04-23 03:43:41 $
00007   Version:   $Revision: 1.2 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 
00018 #ifndef __itkDiffeomorphicDemonsRegistrationFilter_h
00019 #define __itkDiffeomorphicDemonsRegistrationFilter_h
00020 
00021 #include "itkPDEDeformableRegistrationFilter.h"
00022 #include "itkESMDemonsRegistrationFunction.h"
00023 
00024 #include "itkMultiplyByConstantImageFilter.h"
00025 #include "itkExponentialDeformationFieldImageFilter.h"
00026 #include "itkWarpVectorImageFilter.h"
00027 #include "itkVectorLinearInterpolateNearestNeighborExtrapolateImageFunction.h"
00028 #include "itkAddImageFilter.h"
00029 
00030 namespace itk {
00031 
00079 template<class TFixedImage, class TMovingImage, class TDeformationField>
00080 class ITK_EXPORT DiffeomorphicDemonsRegistrationFilter : 
00081     public PDEDeformableRegistrationFilter< TFixedImage, TMovingImage,
00082                                             TDeformationField>
00083 {
00084 public:
00086   typedef DiffeomorphicDemonsRegistrationFilter       Self;
00087   typedef PDEDeformableRegistrationFilter<
00088     TFixedImage, TMovingImage,TDeformationField>      Superclass;
00089   typedef SmartPointer<Self>                          Pointer;
00090   typedef SmartPointer<const Self>                    ConstPointer;
00091 
00093   itkNewMacro(Self);
00094 
00096   itkTypeMacro( DiffeomorphicDemonsRegistrationFilter, 
00097                 PDEDeformableRegistrationFilter );
00098 
00100   typedef typename Superclass::FixedImageType           FixedImageType;
00101   typedef typename Superclass::FixedImagePointer        FixedImagePointer;
00102 
00104   typedef typename Superclass::MovingImageType          MovingImageType;
00105   typedef typename Superclass::MovingImagePointer       MovingImagePointer;
00106 
00108   typedef typename Superclass::DeformationFieldType     DeformationFieldType;
00109   typedef typename Superclass::DeformationFieldPointer  DeformationFieldPointer;
00110 
00112   typedef typename 
00113     Superclass::FiniteDifferenceFunctionType            FiniteDifferenceFunctionType;
00114 
00116   typedef typename 
00117     FiniteDifferenceFunctionType::TimeStepType          TimeStepType;
00118 
00120   typedef ESMDemonsRegistrationFunction<
00121     FixedImageType,
00122     MovingImageType, DeformationFieldType>              DemonsRegistrationFunctionType;
00123   typedef typename 
00124     DemonsRegistrationFunctionType::GradientType        GradientType;
00125 
00130   virtual double GetMetric() const;
00131   virtual const double &GetRMSChange() const;
00133 
00134   virtual void SetUseGradientType( GradientType gtype );
00135   virtual GradientType GetUseGradientType() const;
00136 
00140   itkSetMacro( UseFirstOrderExp, bool );
00141   itkGetConstMacro( UseFirstOrderExp, bool );
00142   itkBooleanMacro( UseFirstOrderExp );
00144 
00149   virtual void SetIntensityDifferenceThreshold(double);
00150   virtual double GetIntensityDifferenceThreshold() const;
00152 
00155   virtual void SetMaximumUpdateStepLength(double);
00156   virtual double GetMaximumUpdateStepLength() const;
00158 
00159 protected:
00160   DiffeomorphicDemonsRegistrationFilter();
00161   ~DiffeomorphicDemonsRegistrationFilter() {}
00162   void PrintSelf(std::ostream& os, Indent indent) const;
00163 
00165   virtual void InitializeIteration();
00166 
00169   virtual void AllocateUpdateBuffer();
00170 
00172   virtual void ApplyUpdate(TimeStepType dt);
00173 
00174 private:
00175   DiffeomorphicDemonsRegistrationFilter(const Self&); //purposely not implemented
00176   void operator=(const Self&); //purposely not implemented
00177 
00180   DemonsRegistrationFunctionType *  DownCastDifferenceFunctionType();
00181   const DemonsRegistrationFunctionType *  DownCastDifferenceFunctionType() const;
00183 
00184 
00186   typedef MultiplyByConstantImageFilter<
00187     DeformationFieldType, 
00188     TimeStepType, DeformationFieldType >                MultiplyByConstantType;
00189 
00190   typedef ExponentialDeformationFieldImageFilter< 
00191     DeformationFieldType, DeformationFieldType >        FieldExponentiatorType;
00192 
00193   
00194   typedef WarpVectorImageFilter<
00195      DeformationFieldType, 
00196      DeformationFieldType, DeformationFieldType>        VectorWarperType;
00197 
00198   typedef VectorLinearInterpolateNearestNeighborExtrapolateImageFunction<
00199      DeformationFieldType, double>                      FieldInterpolatorType;
00200 
00201   typedef AddImageFilter<
00202      DeformationFieldType, 
00203      DeformationFieldType, DeformationFieldType>        AdderType;
00204 
00205 
00206   typedef typename MultiplyByConstantType::Pointer      MultiplyByConstantPointer;
00207   typedef typename FieldExponentiatorType::Pointer      FieldExponentiatorPointer;
00208   typedef typename VectorWarperType::Pointer            VectorWarperPointer; 
00209   typedef typename FieldInterpolatorType::Pointer       FieldInterpolatorPointer;
00210   typedef typename FieldInterpolatorType::OutputType    FieldInterpolatorOutputType;
00211   typedef typename AdderType::Pointer                   AdderPointer;
00212 
00213 
00214   MultiplyByConstantPointer m_Multiplier;
00215   FieldExponentiatorPointer m_Exponentiator;
00216   VectorWarperPointer       m_Warper;
00217   AdderPointer              m_Adder;
00218   bool                      m_UseFirstOrderExp;
00219 };
00220 
00221 
00222 } // end namespace itk
00223 
00224 #ifndef ITK_MANUAL_INSTANTIATION
00225 #include "itkDiffeomorphicDemonsRegistrationFilter.txx"
00226 #endif
00227 
00228 #endif
00229 

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