ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkMahalanobisDistanceMembershipFunction.h
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 #ifndef __itkMahalanobisDistanceMembershipFunction_h
19 #define __itkMahalanobisDistanceMembershipFunction_h
20 
21 #include "itkVariableSizeMatrix.h"
22 
24 
25 namespace itk
26 {
27 namespace Statistics
28 {
61 template< class TVector >
63  public MembershipFunctionBase< TVector >
64 {
65 public:
71 
74  itkNewMacro(Self);
76 
79 
81  typedef TVector MeasurementVectorType;
82 
84  typedef typename Superclass::MeasurementVectorSizeType MeasurementVectorSizeType;
85 
90 
93 
96  void SetMean(const MeanVectorType & mean);
97 
100  itkGetConstReferenceMacro(Mean, MeanVectorType);
101 
105  void SetCovariance(const CovarianceMatrixType & cov);
106 
109  itkGetConstReferenceMacro(Covariance, CovarianceMatrixType);
110 
116  double Evaluate(const MeasurementVectorType & measurement) const;
117 
121  virtual typename LightObject::Pointer InternalClone() const;
122 
123 protected:
126  void PrintSelf(std::ostream & os, Indent indent) const;
127 
128 private:
130  CovarianceMatrixType m_Covariance; // covariance matrix
131 
132  // inverse covariance matrix. automatically calculated
133  // when covariace matirx is set.
135 
138 };
139 } // end of namespace Statistics
140 } // end namespace itk
141 
142 #ifndef ITK_MANUAL_INSTANTIATION
143 #include "itkMahalanobisDistanceMembershipFunction.hxx"
144 #endif
145 
146 #endif
147