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itkVectorGradientNDAnisotropicDiffusionFunction.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkVectorGradientNDAnisotropicDiffusionFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:59 $ 00007 Version: $Revision: 1.12 $ 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 __itkVectorGradientNDAnisotropicDiffusionFunction_h_ 00018 #define __itkVectorGradientNDAnisotropicDiffusionFunction_h_ 00019 00020 #include "itkVectorAnisotropicDiffusionFunction.h" 00021 #include "itkNeighborhoodAlgorithm.h" 00022 #include "itkVectorNeighborhoodInnerProduct.h" 00023 #include "itkDerivativeOperator.h" 00024 00025 namespace itk { 00026 00041 template <class TImage> 00042 class ITK_EXPORT VectorGradientNDAnisotropicDiffusionFunction : 00043 public VectorAnisotropicDiffusionFunction<TImage> 00044 { 00045 public: 00047 typedef VectorGradientNDAnisotropicDiffusionFunction Self; 00048 typedef VectorAnisotropicDiffusionFunction<TImage> Superclass; 00049 typedef SmartPointer<Self> Pointer; 00050 typedef SmartPointer<const Self> ConstPointer; 00051 00053 itkNewMacro(Self); 00054 00056 itkTypeMacro( VectorGradientNDAnisotropicDiffusionFunction, 00057 ScalarAnisotropicDiffusionFunction ); 00058 00060 typedef typename Superclass::ImageType ImageType; 00061 typedef typename Superclass::PixelType PixelType; 00062 typedef typename Superclass::TimeStepType TimeStepType; 00063 typedef typename Superclass::RadiusType RadiusType; 00064 typedef typename Superclass::NeighborhoodType NeighborhoodType; 00065 typedef typename Superclass::FloatOffsetType FloatOffsetType; 00066 00068 itkStaticConstMacro(ImageDimension, unsigned int, 00069 Superclass::ImageDimension ); 00070 itkStaticConstMacro(VectorDimension, unsigned int, 00071 Superclass::VectorDimension ); 00072 00074 typedef typename PixelType::ValueType ScalarValueType; 00075 00077 virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood, 00078 void * globalData, 00079 const FloatOffsetType& offset = FloatOffsetType(0.0) 00080 ); 00081 00083 virtual void InitializeIteration() 00084 { 00085 m_K = this->GetAverageGradientMagnitudeSquared() * this->GetConductanceParameter() * 00086 this->GetConductanceParameter() * -2.0f; 00087 } 00088 00089 protected: 00090 VectorGradientNDAnisotropicDiffusionFunction(); 00091 ~VectorGradientNDAnisotropicDiffusionFunction() {} 00092 00093 private: 00094 VectorGradientNDAnisotropicDiffusionFunction(const Self&); //purposely not implemented 00095 void operator=(const Self&); //purposely not implemented 00096 00098 VectorNeighborhoodInnerProduct<ImageType> m_InnerProduct; 00099 00101 std::slice x_slice[ImageDimension]; 00102 std::slice xa_slice[ImageDimension][ImageDimension]; 00103 std::slice xd_slice[ImageDimension][ImageDimension]; 00104 00106 DerivativeOperator<ScalarValueType, 00107 itkGetStaticConstMacro(ImageDimension)> dx_op; 00108 00110 ScalarValueType m_K; 00111 00112 static double m_MIN_NORM; 00113 00114 unsigned long int m_Stride[ImageDimension]; 00115 unsigned long int m_Center; 00116 00117 }; 00118 00119 00120 00121 }// end namespace itk 00122 00123 #ifndef ITK_MANUAL_INSTANTIATION 00124 #include "itkVectorGradientNDAnisotropicDiffusionFunction.txx" 00125 #endif 00126 00127 #endif

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