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itkCurvatureNDAnisotropicDiffusionFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkCurvatureNDAnisotropicDiffusionFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:46 $ 00007 Version: $Revision: 1.17 $ 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 __itkCurvatureNDAnisotropicDiffusionFunction_h_ 00018 #define __itkCurvatureNDAnisotropicDiffusionFunction_h_ 00019 00020 #include "itkScalarAnisotropicDiffusionFunction.h" 00021 #include "itkNeighborhoodAlgorithm.h" 00022 #include "itkNeighborhoodInnerProduct.h" 00023 #include "itkDerivativeOperator.h" 00024 00025 namespace itk { 00026 00070 template <class TImage> 00071 class ITK_EXPORT CurvatureNDAnisotropicDiffusionFunction : 00072 public ScalarAnisotropicDiffusionFunction<TImage> 00073 { 00074 public: 00076 typedef CurvatureNDAnisotropicDiffusionFunction Self; 00077 typedef ScalarAnisotropicDiffusionFunction<TImage> Superclass; 00078 typedef SmartPointer<Self> Pointer; 00079 typedef SmartPointer<const Self> ConstPointer; 00080 00082 itkNewMacro(Self); 00083 00085 itkTypeMacro( CurvatureNDAnisotropicDiffusionFunction, 00086 ScalarAnisotropicDiffusionFunction ); 00087 00089 typedef typename Superclass::ImageType ImageType; 00090 typedef typename Superclass::PixelType PixelType; 00091 typedef typename Superclass::TimeStepType TimeStepType; 00092 typedef typename Superclass::RadiusType RadiusType; 00093 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00094 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00095 00097 itkStaticConstMacro(ImageDimension, unsigned int,Superclass::ImageDimension); 00098 00100 virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood, 00101 void *globalData, 00102 const FloatOffsetType& offset = FloatOffsetType(0.0) 00103 ); 00104 00106 virtual void InitializeIteration() 00107 { 00108 m_K = static_cast<PixelType>(this->GetAverageGradientMagnitudeSquared() * 00109 this->GetConductanceParameter() * 00110 this->GetConductanceParameter() * -2.0f); 00111 } 00112 00113 protected: 00114 CurvatureNDAnisotropicDiffusionFunction(); 00115 ~CurvatureNDAnisotropicDiffusionFunction() {} 00116 void PrintSelf(std::ostream& os, Indent indent) const 00117 { 00118 Superclass::PrintSelf(os,indent); 00119 } 00120 00121 private: 00122 CurvatureNDAnisotropicDiffusionFunction(const Self&); //purposely not implemented 00123 void operator=(const Self&); //purposely not implemented 00124 00126 NeighborhoodInnerProduct<ImageType> m_InnerProduct; 00127 00129 std::slice x_slice[ImageDimension]; 00130 std::slice xa_slice[ImageDimension][ImageDimension]; 00131 std::slice xd_slice[ImageDimension][ImageDimension]; 00132 00134 DerivativeOperator<PixelType, itkGetStaticConstMacro(ImageDimension)> dx_op; 00135 00137 PixelType m_K; 00138 00140 static double m_MIN_NORM; 00141 00142 unsigned long m_Center; 00143 unsigned long m_Stride[ImageDimension]; 00144 00145 }; 00146 00147 00148 00149 }// end namespace itk 00150 00151 #ifndef ITK_MANUAL_INSTANTIATION 00152 #include "itkCurvatureNDAnisotropicDiffusionFunction.txx" 00153 #endif 00154 00155 #endif

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