itkImageClassifierBase.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkImageClassifierBase.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:53:35 $
  Version:   $Revision: 1.9 $

  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 __itkImageClassifierBase_h
#define __itkImageClassifierBase_h

#include "itkClassifierBase.h"
#include "itkExceptionObject.h"
#include "itkImageRegionIterator.h"
#include "itkImageRegionConstIterator.h"

namespace itk
{

template <class TInputImage, 
          class TClassifiedImage>
class ITK_EXPORT ImageClassifierBase: 
    public ClassifierBase<TInputImage>
{
public:
  typedef ImageClassifierBase         Self;
  typedef ClassifierBase<TInputImage> Superclass;
  typedef SmartPointer<Self>          Pointer;
  typedef SmartPointer<const Self>    ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ImageClassifierBase,ClassifierBase);

  typedef TInputImage                         InputImageType;
  typedef typename TInputImage::Pointer       InputImagePointer;
  typedef typename TInputImage::ConstPointer  InputImageConstPointer;

  typedef typename TClassifiedImage::Pointer ClassifiedImagePointer;

  typedef typename Superclass::MeasurementVectorType MeasurementVectorType;

  typedef typename Superclass::MembershipFunctionType MembershipFunctionType;

  typedef typename Superclass::MembershipFunctionPointer 
  MembershipFunctionPointer;

  typedef typename Superclass::MembershipFunctionPointerVector
  MembershipFunctionPointerVector;

  typedef typename Superclass::DecisionRuleType DecisionRuleType;

  itkSetConstObjectMacro(InputImage,InputImageType );

  itkGetConstObjectMacro(InputImage,InputImageType);

  itkSetMacro(ClassifiedImage,ClassifiedImagePointer);

  itkGetConstMacro(ClassifiedImage,ClassifiedImagePointer); 

  typedef typename TInputImage::PixelType      InputImagePixelType;

  typedef typename TClassifiedImage::PixelType ClassifiedImagePixelType;  

  typedef
  ImageRegionConstIterator< TInputImage >    InputImageConstIterator;
  typedef
  ImageRegionIterator< TClassifiedImage >    ClassifiedImageIterator;   

  const std::vector<double> & 
  GetPixelMembershipValue(const InputImagePixelType  inputImagePixel );


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

  void Allocate();

  void GenerateData();

private:
  ImageClassifierBase(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
  
  typedef typename TInputImage::SizeType InputImageSizeType;

  InputImageConstPointer      m_InputImage;
  ClassifiedImagePointer      m_ClassifiedImage;
  std::vector< double >       m_PixelMembershipValue;

  virtual void Classify();

}; // class ImageClassifierBase

} // namespace itk

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

#endif

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