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itkMeanShiftModeSeekerBase.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMeanShiftModeSeekerBase.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-03-04 15:24:01 $
00007   Version:   $Revision: 1.10 $
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 __itkMeanShiftModeSeekerBase_h
00019 #define __itkMeanShiftModeSeekerBase_h
00020 
00021 #include "itkObject.h"
00022 #include "itkVector.h"
00023 #include "itkMatrix.h"
00024 #include "itkNumericTraits.h"
00025 #include "itkMeanShiftModeCacheMethod.h"
00026 
00027 namespace itk { 
00028 namespace Statistics {
00029   
00059 template< class TSample >
00060 class MeanShiftModeSeekerBase :
00061     public Object
00062 {
00063 public:
00065   typedef MeanShiftModeSeekerBase  Self;
00066   typedef Object                   Superclass;
00067   typedef SmartPointer<Self>       Pointer;
00068   typedef SmartPointer<const Self> ConstPointer;
00069 
00071   itkTypeMacro(MeanShiftModeSeekerBase, Object);
00072 
00074   typedef typename TSample::MeasurementVectorType     MeasurementVectorType;
00075   typedef typename TSample::MeasurementVectorSizeType MeasurementVectorSizeType;
00076   typedef typename TSample::MeasurementType           MeasurementType;
00077   typedef typename TSample::InstanceIdentifier        InstanceIdentifier;
00078 
00079   typedef std::vector< InstanceIdentifier >                 SearchResultVectorType;
00080   typedef MeanShiftModeCacheMethod< MeasurementVectorType > CacheMethodType;
00081 
00082   void SetInputSample(const TSample* sample);
00083 
00084   const TSample* GetInputSample() const
00085     { return m_InputSample.GetPointer(); }
00086 
00087   void SetMaximumIteration(unsigned int number)
00088     { m_MaximumIteration = number; }
00089 
00090   unsigned int GetMaximumIteration()
00091     { return m_MaximumIteration; }
00092 
00093   void SetCacheMethod(CacheMethodType* method);
00094 
00095   CacheMethodType* GetCacheMethod()
00096     { return m_CacheMethod.GetPointer(); }
00097 
00099   MeasurementVectorType Evolve(MeasurementVectorType instance);
00100 
00102   virtual MeasurementVectorSizeType GetMeasurementVectorSize() const
00103     {
00104     if( m_InputSample.GetPointer() )
00105       {
00106       return m_InputSample.GetPointer()->GetMeasurementVectorSize();
00107       }
00108     else
00109       {
00110       return 0;
00111       }
00112     }
00114 
00115 protected:
00116   MeanShiftModeSeekerBase();
00117   virtual ~MeanShiftModeSeekerBase();
00118   void PrintSelf(std::ostream& os, Indent indent) const;
00119 
00120   virtual bool ComputeMode(MeasurementVectorType queryPoint,
00121                            MeasurementVectorType& newPoint) = 0;
00122 
00123 private:
00124   typename TSample::ConstPointer    m_InputSample;
00125   unsigned int                      m_MaximumIteration;
00126   typename CacheMethodType::Pointer m_CacheMethod;
00127 }; // end of class
00128     
00129 } // end of namespace Statistics 
00130 } // end of namespace itk 
00131 
00132 #ifndef ITK_MANUAL_INSTANTIATION
00133 #include "itkMeanShiftModeSeekerBase.txx"
00134 #endif
00135 
00136 #endif
00137 

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