ITK  4.13.0
Insight Segmentation and Registration Toolkit
itkVarianceImageFunction.h
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18 #ifndef itkVarianceImageFunction_h
19 #define itkVarianceImageFunction_h
20 
21 #include "itkImageFunction.h"
22 #include "itkNumericTraits.h"
23 
24 namespace itk
25 {
42 template< typename TInputImage, typename TCoordRep = float >
43 class ITK_TEMPLATE_EXPORT VarianceImageFunction:
44  public ImageFunction< TInputImage, typename NumericTraits< typename TInputImage::PixelType >::RealType,
45  TCoordRep >
46 {
47 public:
48 
52  TCoordRep > Superclass;
53 
56 
58  itkTypeMacro(VarianceImageFunction, ImageFunction);
59 
61  itkNewMacro(Self);
62 
64  typedef TInputImage InputImageType;
65 
67  typedef typename Superclass::OutputType OutputType;
68 
70  typedef typename Superclass::IndexType IndexType;
71 
73  typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
74 
76  typedef typename Superclass::PointType PointType;
77 
79  itkStaticConstMacro(ImageDimension, unsigned int,
80  InputImageType::ImageDimension);
81 
85 
87  virtual RealType EvaluateAtIndex(const IndexType & index) const ITK_OVERRIDE;
88 
90  virtual RealType Evaluate(const PointType & point) const ITK_OVERRIDE
91  {
92  IndexType index;
93 
94  this->ConvertPointToNearestIndex(point, index);
95  return this->EvaluateAtIndex(index);
96  }
97 
99  const ContinuousIndexType & cindex) const ITK_OVERRIDE
100  {
101  IndexType index;
102 
103  this->ConvertContinuousIndexToNearestIndex(cindex, index);
104  return this->EvaluateAtIndex(index);
105  }
106 
109  itkSetMacro(NeighborhoodRadius, unsigned int);
110  itkGetConstReferenceMacro(NeighborhoodRadius, unsigned int);
112 
113 protected:
116  void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
117 
118 private:
119  ITK_DISALLOW_COPY_AND_ASSIGN(VarianceImageFunction);
120 
121  unsigned int m_NeighborhoodRadius;
122 };
123 } // end namespace itk
124 
125 #ifndef ITK_MANUAL_INSTANTIATION
126 #include "itkVarianceImageFunction.hxx"
127 #endif
128 
129 #endif
Light weight base class for most itk classes.
virtual RealType EvaluateAtContinuousIndex(const ContinuousIndexType &cindex) const override
ImageFunction< TInputImage, typename NumericTraits< typename TInputImage::PixelType >::RealType, TCoordRep > Superclass
Calculate the variance in the neighborhood of a pixel.
SmartPointer< const Self > ConstPointer
virtual RealType Evaluate(const PointType &point) const override
Superclass::ContinuousIndexType ContinuousIndexType
NumericTraits< typename InputImageType::PixelType >::RealType RealType
Superclass::OutputType OutputType
Control indentation during Print() invocation.
Definition: itkIndent.h:49
Evaluates a function of an image at specified position.