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itkDemonsRegistrationFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkDemonsRegistrationFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:30 $ 00007 Version: $Revision: 1.22 $ 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 #ifndef _itkDemonsRegistrationFunction_h_ 00018 #define _itkDemonsRegistrationFunction_h_ 00019 00020 #include "itkPDEDeformableRegistrationFunction.h" 00021 #include "itkPoint.h" 00022 #include "itkCovariantVector.h" 00023 #include "itkInterpolateImageFunction.h" 00024 #include "itkLinearInterpolateImageFunction.h" 00025 #include "itkCentralDifferenceImageFunction.h" 00026 00027 namespace itk { 00028 00052 template<class TFixedImage, class TMovingImage, class TDeformationField> 00053 class ITK_EXPORT DemonsRegistrationFunction : 00054 public PDEDeformableRegistrationFunction< TFixedImage, 00055 TMovingImage, TDeformationField> 00056 { 00057 public: 00059 typedef DemonsRegistrationFunction Self; 00060 typedef PDEDeformableRegistrationFunction< TFixedImage, 00061 TMovingImage, TDeformationField > Superclass; 00062 typedef SmartPointer<Self> Pointer; 00063 typedef SmartPointer<const Self> ConstPointer; 00064 00066 itkNewMacro(Self); 00067 00069 itkTypeMacro( DemonsRegistrationFunction, 00070 PDEDeformableRegistrationFunction ); 00071 00073 typedef typename Superclass::MovingImageType MovingImageType; 00074 typedef typename Superclass::MovingImagePointer MovingImagePointer; 00075 00077 typedef typename Superclass::FixedImageType FixedImageType; 00078 typedef typename Superclass::FixedImagePointer FixedImagePointer; 00079 typedef typename FixedImageType::IndexType IndexType; 00080 typedef typename FixedImageType::SizeType SizeType; 00081 00083 typedef typename Superclass::DeformationFieldType DeformationFieldType; 00084 typedef typename Superclass::DeformationFieldTypePointer 00085 DeformationFieldTypePointer; 00086 00088 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension); 00089 00091 typedef typename Superclass::PixelType PixelType; 00092 typedef typename Superclass::RadiusType RadiusType; 00093 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00094 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00095 typedef typename Superclass::TimeStepType TimeStepType; 00096 00098 typedef double CoordRepType; 00099 typedef InterpolateImageFunction<MovingImageType,CoordRepType> InterpolatorType; 00100 typedef typename InterpolatorType::Pointer InterpolatorPointer; 00101 typedef typename InterpolatorType::PointType PointType; 00102 typedef LinearInterpolateImageFunction<MovingImageType,CoordRepType> 00103 DefaultInterpolatorType; 00104 00106 typedef CovariantVector<double,itkGetStaticConstMacro(ImageDimension)> CovariantVectorType; 00107 00109 typedef CentralDifferenceImageFunction<FixedImageType> GradientCalculatorType; 00110 typedef typename GradientCalculatorType::Pointer GradientCalculatorPointer; 00111 00113 void SetMovingImageInterpolator( InterpolatorType * ptr ) 00114 { m_MovingImageInterpolator = ptr; } 00115 00117 InterpolatorType * GetMovingImageInterpolator(void) 00118 { return m_MovingImageInterpolator; } 00119 00121 virtual TimeStepType ComputeGlobalTimeStep(void * itkNotUsed(GlobalData)) const 00122 { return m_TimeStep; } 00123 00126 virtual void *GetGlobalDataPointer() const 00127 { 00128 GlobalDataStruct *global = new GlobalDataStruct(); 00129 return global; 00130 } 00131 00133 virtual void ReleaseGlobalDataPointer( void *GlobalData ) const 00134 { delete (GlobalDataStruct *) GlobalData; } 00135 00137 virtual void InitializeIteration(); 00138 00141 virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood, 00142 void *globalData, 00143 const FloatOffsetType &offset = FloatOffsetType(0.0)); 00144 00145 protected: 00146 DemonsRegistrationFunction(); 00147 ~DemonsRegistrationFunction() {} 00148 void PrintSelf(std::ostream& os, Indent indent) const; 00149 00151 typedef ConstNeighborhoodIterator<FixedImageType> FixedImageNeighborhoodIteratorType; 00152 00155 struct GlobalDataStruct 00156 { 00157 FixedImageNeighborhoodIteratorType m_FixedImageIterator; 00158 }; 00159 00160 private: 00161 DemonsRegistrationFunction(const Self&); //purposely not implemented 00162 void operator=(const Self&); //purposely not implemented 00163 00165 const double * m_FixedImageSpacing; 00166 const double * m_FixedImageOrigin; 00167 00169 GradientCalculatorPointer m_FixedImageGradientCalculator; 00170 00172 InterpolatorPointer m_MovingImageInterpolator; 00173 00175 TimeStepType m_TimeStep; 00176 00178 double m_DenominatorThreshold; 00179 00181 double m_IntensityDifferenceThreshold; 00182 00183 }; 00184 00185 00186 } // end namespace itk 00187 00188 #ifndef ITK_MANUAL_INSTANTIATION 00189 #include "itkDemonsRegistrationFunction.txx" 00190 #endif 00191 00192 #endif

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