ITK  4.4.0
Insight Segmentation and Registration Toolkit
itkVectorCurvatureAnisotropicDiffusionImageFilter.h
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1 /*=========================================================================
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3  * Copyright Insight Software Consortium
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
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14  * See the License for the specific language governing permissions and
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18 #ifndef __itkVectorCurvatureAnisotropicDiffusionImageFilter_h
19 #define __itkVectorCurvatureAnisotropicDiffusionImageFilter_h
20 
21 #include "itkMacro.h"
24 
25 namespace itk
26 {
62 template< class TInputImage, class TOutputImage >
64  public AnisotropicDiffusionImageFilter< TInputImage, TOutputImage >
65 {
66 public:
73 
75  itkNewMacro(Self);
76 
80 
82  typedef typename Superclass::UpdateBufferType UpdateBufferType;
83 
85  itkStaticConstMacro(ImageDimension, unsigned int,
86  Superclass::ImageDimension);
87 
88 #ifdef ITK_USE_CONCEPT_CHECKING
89 
90  itkConceptMacro( InputHasNumericTraitsCheck,
92  itkConceptMacro( OutputHasNumericTraitsCheck,
94 
96 #endif
97 
98 protected:
100  {
103  this->SetDifferenceFunction(q);
104  }
105 
107 
108  virtual void InitializeIteration()
109  {
110  Superclass::InitializeIteration();
111  if ( this->GetTimeStep() > 0.5 / vcl_pow( 2.0, static_cast< double >( ImageDimension ) ) )
112  {
113  itkWarningMacro(
114  << "Anisotropic diffusion has attempted to use a time step which may introduce instability into the solution.");
115  }
116  }
117 
118 private:
119  VectorCurvatureAnisotropicDiffusionImageFilter(const Self &); //purposely not
120  // implemented
121  void operator=(const Self &); //purposely not
122 
123  // implemented
124 };
125 } // end namspace itk
126 
127 #endif
128