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itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2005-04-20 20:31:22 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
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     HistogramPointer m_Histogram;
00155     double m_Energy, m_Entropy, m_Correlation, m_InverseDifferenceMoment,
00156       m_Inertia, m_ClusterShade, m_ClusterProminence, m_HaralickCorrelation;
00157     void NormalizeHistogram(void);
00158     void ComputeMeansAndVariances( double &pixelMean, double &marginalMean, 
00159       double &marginalDevSquared, double &pixelVariance );
00160   };
00161     
00162     
00163   } // end of namespace Statistics 
00164 } // end of namespace itk 
00165 
00166 #ifndef ITK_MANUAL_INSTANTIATION
00167 #include "itkGreyLevelCooccurrenceMatrixTextureCoefficientsCalculator.txx"
00168 #endif
00169 
00170 #endif
00171 

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