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itkVectorCurvatureAnisotropicDiffusionImageFilter.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkVectorCurvatureAnisotropicDiffusionImageFilter.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:28:59 $ 00007 Version: $Revision: 1.16 $ 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 __itkVectorCurvatureAnisotropicDiffusionImageFilter_h_ 00018 #define __itkVectorCurvatureAnisotropicDiffusionImageFilter_h_ 00019 00020 #include "itkExceptionObject.h" 00021 #include "itkAnisotropicDiffusionImageFilter.h" 00022 #include "itkVectorCurvatureNDAnisotropicDiffusionFunction.h" 00023 00024 namespace itk { 00025 00060 template <class TInputImage, class TOutputImage> 00061 class ITK_EXPORT VectorCurvatureAnisotropicDiffusionImageFilter 00062 : public AnisotropicDiffusionImageFilter<TInputImage, TOutputImage> 00063 { 00064 public: 00066 typedef VectorCurvatureAnisotropicDiffusionImageFilter Self; 00067 typedef AnisotropicDiffusionImageFilter<TInputImage, TOutputImage> 00068 Superclass; 00069 typedef SmartPointer<Self> Pointer; 00070 typedef SmartPointer<const Self> ConstPointer; 00071 00073 itkNewMacro(Self); 00074 00076 itkTypeMacro(VectorCurvatureAnisotropicDiffusionImageFilter, 00077 AnisotropicDiffusionImageFilter); 00078 00080 typedef typename Superclass::UpdateBufferType UpdateBufferType; 00081 00083 itkStaticConstMacro(ImageDimension, unsigned int, 00084 Superclass::ImageDimension ); 00085 00086 protected: 00087 VectorCurvatureAnisotropicDiffusionImageFilter() 00088 { 00089 typename VectorCurvatureNDAnisotropicDiffusionFunction<UpdateBufferType>::Pointer q 00090 = VectorCurvatureNDAnisotropicDiffusionFunction<UpdateBufferType>::New(); 00091 this->SetDifferenceFunction(q); 00092 } 00093 ~VectorCurvatureAnisotropicDiffusionImageFilter() {} 00094 00095 virtual void InitializeIteration() 00096 { 00097 Superclass::InitializeIteration(); 00098 if (this->GetTimeStep() > 0.5 / pow(2.0, static_cast<double>(ImageDimension)) ) 00099 { 00100 itkWarningMacro(<< "Anisotropic diffusion has attempted to use a time step which may introduce instability into the solution." ); 00101 } 00102 } 00103 00104 void PrintSelf(std::ostream& os, Indent indent) const 00105 { Superclass::PrintSelf(os,indent); } 00106 private: 00107 VectorCurvatureAnisotropicDiffusionImageFilter(const Self&); //purposely not implemented 00108 void operator=(const Self&); //purposely not implemented 00109 }; 00110 00111 } // end namspace itk 00112 00113 #endif

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