itkMeanShiftModeSeekerBase.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMeanShiftModeSeekerBase.h,v $
  Language:  C++
  Date:      $Date: 2003/12/15 01:00:46 $
  Version:   $Revision: 1.7 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/

#ifndef __itkMeanShiftModeSeekerBase_h
#define __itkMeanShiftModeSeekerBase_h

#include "itkObject.h"
#include "itkVector.h"
#include "itkMatrix.h"
#include "itkNumericTraits.h"
#include "itkMeanShiftModeCacheMethod.h"

namespace itk{ 
namespace Statistics{
  
template< class TSample >
class MeanShiftModeSeekerBase :
    public Object
{
public:
  typedef MeanShiftModeSeekerBase Self;
  typedef Object Superclass ;
  typedef SmartPointer<Self> Pointer;
  typedef SmartPointer<const Self> ConstPointer;

  itkTypeMacro(MeanShiftModeSeekerBase, Object);
  itkNewMacro(Self) ;
  
  itkStaticConstMacro(MeasurementVectorSize, unsigned int,
                      TSample::MeasurementVectorSize) ;

  typedef typename TSample::MeasurementVectorType MeasurementVectorType ;
  typedef typename TSample::MeasurementType MeasurementType ;
  typedef typename TSample::InstanceIdentifier InstanceIdentifier ;

  typedef std::vector< InstanceIdentifier > SearchResultVectorType ;
  typedef MeanShiftModeCacheMethod< MeasurementVectorType > CacheMethodType ;

  void SetInputSample(const TSample* sample) ;

  const TSample* GetInputSample() const
  { return m_InputSample.GetPointer() ; }

  void SetMaximumIteration(unsigned int number)
  { m_MaximumIteration = number ; }

  unsigned int GetMaximumIteration()
  { return m_MaximumIteration ; }

  void SetCacheMethod(CacheMethodType* method) ;

  CacheMethodType* GetCacheMethod()
  { return m_CacheMethod.GetPointer() ; }

  MeasurementVectorType Evolve(MeasurementVectorType instance) ;

protected:
  MeanShiftModeSeekerBase() ;
  virtual ~MeanShiftModeSeekerBase() ;
  void PrintSelf(std::ostream& os, Indent indent) const;

  virtual bool ComputeMode(MeasurementVectorType queryPoint,
                           MeasurementVectorType& newPoint) = 0 ;

  
private:
  typename TSample::ConstPointer m_InputSample ;
  unsigned int m_MaximumIteration ;
  typename CacheMethodType::Pointer m_CacheMethod ;
} ; // end of class
    
} // end of namespace Statistics 
} // end of namespace itk 

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMeanShiftModeSeekerBase.txx"
#endif

#endif

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