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00017 #ifndef __itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator_h
00018 #define __itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator_h
00019
00020 #include "itkHistogram.h"
00021 #include "itkMacro.h"
00022
00023 namespace itk {
00024 namespace Statistics {
00025
00098 enum TextureFeatureName { Energy, Entropy, Correlation,
00099 InverseDifferenceMoment, Inertia, ClusterShade, ClusterProminence,
00100 HaralickCorrelation };
00101
00102 template< class THistogram >
00103 class GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator : public Object
00104 {
00105 public:
00107 typedef GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator Self;
00108 typedef Object Superclass;
00109 typedef SmartPointer<Self> Pointer;
00110 typedef SmartPointer<const Self> ConstPointer;
00111
00113 itkTypeMacro(GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator, Object);
00114
00116 itkNewMacro(Self);
00117
00118 typedef THistogram HistogramType;
00119 typedef typename HistogramType::Pointer HistogramPointer;
00120 typedef typename HistogramType::ConstPointer HistogramConstPointer;
00121 typedef typename HistogramType::MeasurementType MeasurementType;
00122 typedef typename HistogramType::MeasurementVectorType MeasurementVectorType;
00123 typedef typename HistogramType::IndexType IndexType;
00124 typedef typename HistogramType::FrequencyType FrequencyType;
00125
00127 void Compute( void );
00128
00130 itkSetObjectMacro( Histogram, HistogramType );
00131 itkGetObjectMacro( Histogram, HistogramType );
00133
00137 double GetFeature(TextureFeatureName feature);
00138
00139 itkGetMacro(Energy, double);
00140 itkGetMacro(Entropy, double);
00141 itkGetMacro(Correlation, double);
00142 itkGetMacro(InverseDifferenceMoment, double);
00143 itkGetMacro(Inertia, double);
00144 itkGetMacro(ClusterShade, double);
00145 itkGetMacro(ClusterProminence, double);
00146 itkGetMacro(HaralickCorrelation, double);
00147
00148 protected:
00149 GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator() {};
00150 virtual ~GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator() {};
00151 void PrintSelf(std::ostream& os, Indent indent) const;
00152
00153 private:
00154 GreyLevelCooccurrenceMatrixTextureCoefficientsCalculator(const Self&);
00155 void operator=(const Self&);
00156
00157 HistogramPointer m_Histogram;
00158 double m_Energy, m_Entropy, m_Correlation, m_InverseDifferenceMoment,
00159 m_Inertia, m_ClusterShade, m_ClusterProminence, m_HaralickCorrelation;
00160 void NormalizeHistogram(void);
00161 void ComputeMeansAndVariances( double &pixelMean, double &marginalMean,
00162 double &marginalDevSquared, double &pixelVariance );
00163 };
00164
00165
00166 }
00167 }
00168
00169 #ifndef ITK_MANUAL_INSTANTIATION
00170 #include "itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator.txx"
00171 #endif
00172
00173 #endif
00174