Main Page   Groups   Namespace List   Class Hierarchy   Alphabetical List   Compound List   File List   Namespace Members   Compound Members   File Members   Concepts

itkGaussianGoodnessOfFitComponent.h

Go to the documentation of this file.
00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGaussianGoodnessOfFitComponent.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/30 15:24:41 $
00007   Version:   $Revision: 1.5 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkGaussianGoodnessOfFitComponent_h
00018 #define __itkGaussianGoodnessOfFitComponent_h
00019 
00020 #include "itkGoodnessOfFitComponentBase.h"
00021 #include "itkGaussianDensityFunction.h"
00022 #include "itkFunctionBase.h"
00023 #include "itkWeightedCovarianceCalculator.h"
00024 #include "itkSymmetricEigenSystem.h"
00025 
00026 namespace itk{ 
00027 namespace Statistics{
00028 
00044 template< class TInputSample >
00045 class GaussianGoodnessOfFitComponent 
00046   : public GoodnessOfFitComponentBase< TInputSample > 
00047 {
00048 public:
00050   typedef GaussianGoodnessOfFitComponent Self;
00051   typedef GoodnessOfFitComponentBase< TInputSample > Superclass;
00052   typedef SmartPointer< Self > Pointer;
00053   typedef SmartPointer< const Self > ConstPointer;
00054   
00056   itkTypeMacro(GaussianGoodnessOfFitComponent, 
00057                GoodnessOfFitComponentBase) ;
00058   
00060   itkNewMacro(Self) ;
00061 
00063   itkStaticConstMacro(MeasurementVectorSize, unsigned int,
00064                       TInputSample::MeasurementVectorSize) ;
00065   typedef typename TInputSample::MeasurementType MeasurementType ;
00066   typedef typename TInputSample::MeasurementVectorType MeasurementVectorType ;
00067 
00069   typedef typename Superclass::CenterType CenterType ;
00070   typedef typename Superclass::RadiusType RadiusType ;
00071   typedef typename Superclass::MeanType MeanType ;
00072   typedef typename Superclass::StandardDeviationType StandardDeviationType ;
00073   typedef typename Superclass::ResampledSampleType ResampledSampleType ;
00074   typedef typename Superclass::ProjectionAxisArrayType ProjectionAxisArrayType;
00075   typedef Array< double > ParametersType ;
00076 
00079   typedef GaussianDensityFunction< MeasurementVectorType > 
00080   ProbabilityDensityFunctionType ;
00081 
00082   typedef typename ProbabilityDensityFunctionType::CovarianceType CovarianceType ;
00083 
00087   typedef WeightedCovarianceCalculator< ResampledSampleType > 
00088   CovarianceCalculatorType ;
00089 
00091   typedef SymmetricEigenSystem< double, itkGetStaticConstMacro(MeasurementVectorSize) > 
00092   ProjectionAxisCalculatorType ;
00093 
00096   unsigned int GetNumberOfParameters() const
00097   { return (unsigned int)(itkGetStaticConstMacro(MeasurementVectorSize) + 1) ; }
00098 
00100   void SetParameters(const ParametersType &parameter) ;
00101 
00102   CenterType* GetCenter() ;
00103 
00104   RadiusType* GetRadius() ;
00105   
00106   MeanType* GetMean() ;
00107 
00108   StandardDeviationType* GetStandardDeviation() ;
00109 
00111   double GetCumulativeProbability(double x) const ;
00112 
00114   double GetProbabilityDensity(MeasurementVectorType &measurements) const ;
00115 
00116   void PrintParameters(std::ostream &os) const ;
00117 
00120   ParametersType GetFullParameters() const ;
00121 
00122 protected:
00123   GaussianGoodnessOfFitComponent() ;
00124   virtual ~GaussianGoodnessOfFitComponent() ;
00125 
00127   virtual void CalculateProjectionAxes() ;
00128 
00129 private:
00130   typename ProbabilityDensityFunctionType::Pointer m_ProbabilityDensityFunction ;
00131 
00132   typename CovarianceCalculatorType::Pointer m_CovarianceCalculator ;
00133 
00134   typename ProjectionAxisCalculatorType::Pointer m_ProjectionAxisCalculator ;
00135 
00136   MeanType m_Mean ;
00137   CenterType m_Center ;
00138   RadiusType m_Radius ;
00139   StandardDeviationType m_StandardDeviation ;
00140   CovarianceType m_Covariance ;
00141 
00142   unsigned int m_NumberOfParameters ;
00143 
00144   int m_LongestAxisIndex ;
00145   double m_LargestEigenValue ;
00146 } ; // end of class
00147 
00148 } // end of namespace Statistics 
00149 } // end of namespace itk
00150 
00151 #ifndef ITK_MANUAL_INSTANTIATION
00152 #include "itkGaussianGoodnessOfFitComponent.txx"
00153 #endif
00154 
00155 #endif
00156 

Generated at Wed Mar 12 01:12:57 2003 for ITK by doxygen 1.2.15 written by Dimitri van Heesch, © 1997-2000