00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkDistanceToCentroidMembershipFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-03-04 15:23:46 $ 00007 Version: $Revision: 1.11 $ 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 __itkDistanceToCentroidMembershipFunction_h 00018 #define __itkDistanceToCentroidMembershipFunction_h 00019 00020 #include <vnl/vnl_vector.h> 00021 #include <vnl/vnl_transpose.h> 00022 #include <vnl/vnl_matrix.h> 00023 #include <vnl/algo/vnl_matrix_inverse.h> 00024 #include <vnl/algo/vnl_determinant.h> 00025 00026 00027 #include "itkMembershipFunctionBase.h" 00028 00029 namespace itk { 00030 namespace Statistics { 00031 00041 template< class TVector > 00042 class ITK_EXPORT DistanceToCentroidMembershipFunction : 00043 public MembershipFunctionBase< TVector > 00044 { 00045 public: 00047 typedef DistanceToCentroidMembershipFunction Self; 00048 typedef MembershipFunctionBase< TVector > Superclass; 00049 typedef SmartPointer<Self> Pointer; 00050 typedef SmartPointer<const Self> ConstPointer; 00051 00053 itkTypeMacro(DistanceToCentroidMembershipFunction, 00054 MembershipFunctionBase); 00055 itkNewMacro(Self); 00057 00059 typedef TVector MeasurementVectorType; 00060 00062 typedef typename Superclass::MeasurementVectorSizeType 00063 MeasurementVectorSizeType; 00064 00066 virtual void SetMeasurementVectorSize( const MeasurementVectorSizeType ); 00067 00069 void SetCentroid(const vnl_vector<double> ¢roid); 00070 00072 const vnl_vector<double> & GetCentroid() const; 00073 00075 itkSetMacro( NumberOfSamples, int ); 00076 00078 itkGetMacro( NumberOfSamples, int ); 00079 00083 double Evaluate(const MeasurementVectorType &measurement) const; 00084 00085 protected: 00086 DistanceToCentroidMembershipFunction(void); 00087 virtual ~DistanceToCentroidMembershipFunction(void) {} 00088 void PrintSelf(std::ostream& os, Indent indent) const; 00089 00090 private: 00091 vnl_vector< double > m_Centroid; // mean 00092 00093 // Number of samples defining this density 00094 int m_NumberOfSamples; 00095 }; 00096 00097 } // end of namespace Statistics 00098 } // end namespace itk 00099 00100 #ifndef ITK_MANUAL_INSTANTIATION 00101 #include "itkDistanceToCentroidMembershipFunction.txx" 00102 #endif 00103 00104 #endif 00105