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Review/Statistics/itkDistanceToCentroidMembershipFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDistanceToCentroidMembershipFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-05-02 05:43:55 $
00007   Version:   $Revision: 1.1 $
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 "itkMembershipFunctionBase.h"
00021 #include "itkDistanceMetric.h"
00022 
00023 namespace itk  { 
00024 namespace Statistics  {
00025 
00035 template< class TVector >
00036 class ITK_EXPORT DistanceToCentroidMembershipFunction :
00037       public MembershipFunctionBase< TVector >
00038 {
00039 public:
00041   typedef DistanceToCentroidMembershipFunction        Self;
00042   typedef MembershipFunctionBase< TVector >           Superclass;
00043   typedef SmartPointer<Self>                          Pointer;
00044   typedef SmartPointer<const Self>                    ConstPointer;
00045 
00047   itkTypeMacro(DistanceToCentroidMembershipFunction,
00048                MembershipFunctionBase);
00049   itkNewMacro(Self);
00051 
00053   typedef TVector MeasurementVectorType;
00054 
00056   typedef typename Superclass::MeasurementVectorSizeType 
00057                                                   MeasurementVectorSizeType;
00058 
00060   virtual void SetMeasurementVectorSize( MeasurementVectorSizeType );
00061 
00063   typedef DistanceMetric< MeasurementVectorType >     DistanceMetricType;
00064   typedef typename DistanceMetricType::Pointer        DistanceMetricPointer;
00065 
00067   itkSetObjectMacro( DistanceMetric, DistanceMetricType );
00068   itkGetConstObjectMacro( DistanceMetric, DistanceMetricType );
00070 
00071   typedef typename DistanceMetricType::OriginType     CentroidType;
00072 
00074   void SetCentroid(const CentroidType & centroid);
00075 
00077   const CentroidType & GetCentroid() const;
00078 
00082   double Evaluate(const MeasurementVectorType &measurement) const;
00083 
00085   Pointer Clone(); 
00086 
00087 protected:
00088   DistanceToCentroidMembershipFunction(void);
00089   virtual ~DistanceToCentroidMembershipFunction(void) {}
00090   void PrintSelf(std::ostream& os, Indent indent) const;
00091 
00092 private:
00093 
00094   DistanceMetricPointer         m_DistanceMetric;
00095 
00096 };
00097 
00098 } // end of namespace Statistics
00099 } // end namespace itk
00100 
00101 #ifndef ITK_MANUAL_INSTANTIATION
00102 #include "itkDistanceToCentroidMembershipFunction.txx"
00103 #endif
00104 
00105 #endif
00106 

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