ITK  4.3.0
Insight Segmentation and Registration Toolkit
itkRenyiEntropyThresholdCalculator.h
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5  * Licensed under the Apache License, Version 2.0 (the "License");
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18 
19 #ifndef __itkRenyiEntropyThresholdCalculator_h
20 #define __itkRenyiEntropyThresholdCalculator_h
21 
23 
24 namespace itk
25 {
26 
50 template <class THistogram, class TOutput=double>
51 class ITK_EXPORT RenyiEntropyThresholdCalculator : public HistogramThresholdCalculator<THistogram, TOutput>
52 {
53 public:
56  typedef Object Superclass;
59 
61  itkNewMacro(Self);
62 
65 
67  typedef THistogram HistogramType;
68  typedef TOutput OutputType;
69 
70 protected:
71  RenyiEntropyThresholdCalculator() { m_FirstBin = 0; m_LastBin = 0; m_Size = 0; }
73 
74  void GenerateData(void);
75 
76  typedef typename HistogramType::TotalAbsoluteFrequencyType TotalAbsoluteFrequencyType;
77  typedef typename HistogramType::AbsoluteFrequencyType AbsoluteFrequencyType;
78  typedef typename HistogramType::InstanceIdentifier InstanceIdentifier;
80 
81  InstanceIdentifier MaxEntropyThresholding( const HistogramType* histogram,
82  const std::vector< double >& normHisto,
83  const std::vector< double >& P1,
84  const std::vector< double >& P2 );
85 
86  InstanceIdentifier MaxEntropyThresholding2( const HistogramType* histogram,
87  const std::vector< double >& normHisto,
88  const std::vector< double >& P1,
89  const std::vector< double >& P2 );
90 
91  InstanceIdentifier MaxEntropyThresholding3( const HistogramType* histogram,
92  const std::vector< double >& normHisto,
93  const std::vector< double >& P1,
94  const std::vector< double >& P2 );
95 
96 private:
97  RenyiEntropyThresholdCalculator(const Self&); //purposely not implemented
98  void operator=(const Self&); //purposely not implemented
99 
103 };
104 
105 } // end namespace itk
106 
107 
108 #ifndef ITK_MANUAL_INSTANTIATION
109 #include "itkRenyiEntropyThresholdCalculator.hxx"
110 #endif
111 
112 #endif
113