itkVoronoiPartitioningImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkVoronoiPartitioningImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:40 $
  Version:   $Revision: 1.8 $

  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 _itkVoronoiPartitioningImageFilter_h
#define _itkVoronoiPartitioningImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkVoronoiSegmentationImageFilterBase.h"
#include "itkImage.h"

namespace itk
{

template <class TInputImage, class TOutputImage>
class ITK_EXPORT VoronoiPartitioningImageFilter:
    public VoronoiSegmentationImageFilterBase<TInputImage,TOutputImage>
{
public:
  typedef VoronoiPartitioningImageFilter       Self;
  typedef VoronoiSegmentationImageFilterBase<TInputImage,TOutputImage> 
  Superclass;
  typedef SmartPointer <Self>  Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(VoronoiPartitioningImageFilter,
               VoronoiSegmentationImageFilterBase);

  typedef typename Superclass::BinaryObjectImage BinaryObjectImage;
  typedef typename Superclass::IndexList IndexList;
  typedef typename Superclass::IndexType IndexType;
  typedef typename Superclass::RegionType RegionType;
  typedef typename Superclass::InputImageType InputImageType;
  typedef typename Superclass::OutputImageType OutputImageType;
  typedef typename Superclass::OutputPixelType OutputPixelType;
  typedef typename Superclass::PointType PointType;
  typedef typename Superclass::PointTypeDeque PointTypeDeque;
  typedef typename Superclass::PointIdIterator PointIdIterator;
  typedef typename Superclass::CellAutoPointer CellAutoPointer;
  typedef typename Superclass::EdgeIterator EdgeIterator;
  typedef typename Superclass::NeighborIdIterator NeighborIdIterator;

  virtual void MakeSegmentBoundary(void);
  virtual void MakeSegmentObject(void);
  
  itkSetMacro(SigmaThreshold, double);
  itkGetMacro(SigmaThreshold, double);

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

  // Classify all the voronoi cells as interior , exterior or boundary.
  virtual void ClassifyDiagram(void);
  
  // Generate the seeds to be added by dividing the boundary cells.
  virtual void GenerateAddingSeeds(void);

  // Are the pixels specified in the index list homogeneous?
  virtual bool TestHomogeneity(IndexList &Plist);

  // Threshold for homogeneity criterion
  double m_SigmaThreshold;

private:
  VoronoiPartitioningImageFilter(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented
};

}//end namespace


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

#endif

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