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itkHypersphereKernelMeanShiftModeSeeker.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkHypersphereKernelMeanShiftModeSeeker.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/12/09 16:53:08 $
00007   Version:   $Revision: 1.7 $
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 
00018 #ifndef __itkHypersphereKernelMeanShiftModeSeeker_h
00019 #define __itkHypersphereKernelMeanShiftModeSeeker_h
00020 
00021 #include "itkMeanShiftModeSeekerBase.h"
00022 
00023 #include "itkFixedArray.h"
00024 #include "itkNumericTraits.h"
00025 
00026 namespace itk{ 
00027 namespace Statistics{
00028 
00036 template< class TSample >
00037 class HypersphereKernelMeanShiftModeSeeker :
00038     public MeanShiftModeSeekerBase< TSample >
00039 {
00040 public:
00042   typedef HypersphereKernelMeanShiftModeSeeker Self;
00043   typedef MeanShiftModeSeekerBase< TSample > Superclass ;
00044   typedef SmartPointer<Self> Pointer;
00045   typedef SmartPointer<const Self> ConstPointer;
00046 
00048   itkTypeMacro(HypersphereKernelMeanShiftModeSeeker, 
00049                MeanShiftModeSeekerBase);
00050   itkNewMacro(Self) ;
00051   
00053   typedef typename Superclass::MeasurementVectorType MeasurementVectorType ;
00054   typedef typename Superclass::SearchResultVectorType SearchResultVectorType ;
00055   typedef typename Superclass::MeasurementType MeasurementType ;
00056 
00058   itkStaticConstMacro( MeasurementVectorSize, unsigned int,
00059                        MeasurementVectorType::Length ) ;
00060 
00062   typedef double RealMeasurementType ;
00063 
00066   typedef FixedArray< RealMeasurementType,
00067                       itkGetStaticConstMacro( MeasurementVectorSize ) > 
00068   MeasurementVectorSumType ;
00069 
00071   void SetSearchRadius(double radius) ;
00072   
00074   double GetSearchRadius()
00075   { return m_SearchRadius ; }
00076 
00078   MeasurementVectorType Evolve(MeasurementVectorType instance) ;
00079   
00080 protected:
00081   HypersphereKernelMeanShiftModeSeeker() ;
00082   virtual ~HypersphereKernelMeanShiftModeSeeker() ;
00083   void PrintSelf(std::ostream& os, Indent indent) const;
00084 
00087   inline bool ComputeMode(MeasurementVectorType queryPoint,
00088                           MeasurementVectorType& newPoint) ;
00089 
00090 private:
00092   double m_SearchRadius ;
00093 
00095   MeasurementVectorSumType m_TempVectorSum ;
00096   
00098   MeasurementVectorType m_TempVector ;
00099 } ; // end of class
00100     
00101 } // end of namespace Statistics 
00102 } // end of namespace itk 
00103 
00104 #ifndef ITK_MANUAL_INSTANTIATION
00105 #include "itkHypersphereKernelMeanShiftModeSeeker.txx"
00106 #endif
00107 
00108 #endif
00109 

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