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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkVoronoiPartitioningImageFilter.h,v $
Language: C++
Date: $Date: 2006-04-05 13:59:37 $
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 _itkVoronoiPartitioningImageFilter_h
#define _itkVoronoiPartitioningImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkVoronoiSegmentationImageFilterBase.h"
#include "itkImage.h"
namespace itk
{
/** \class VoronoiPartitioningImageFilter
*
* Perform a partitioning of 2D images (single channel) by Voronoi Diagram.
*
* \ingroup HybridSegmentation
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT VoronoiPartitioningImageFilter:
public VoronoiSegmentationImageFilterBase<TInputImage,TOutputImage>
{
public:
/** Standard class typedefs. */
typedef VoronoiPartitioningImageFilter Self;
typedef VoronoiSegmentationImageFilterBase<TInputImage,TOutputImage>
Superclass;
typedef SmartPointer <Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(VoronoiPartitioningImageFilter,
VoronoiSegmentationImageFilterBase);
/** Convenient typedefs. */
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;
/** Create the output results. */
virtual void MakeSegmentBoundary(void);
virtual void MakeSegmentObject(void);
/** Set/Get the threshold used to determine if a Voronoi region is
* homogeneous. If the standard deviation of the intensities in the
* Voronoi region is below this threshold, then the region is
* considered homogeneous. */
itkSetMacro(SigmaThreshold, double);
itkGetMacro(SigmaThreshold, double);
/** ImageDimension enumeration */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension );
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension );
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(SameDimensionCheck,
(Concept::SameDimension<InputImageDimension, OutputImageDimension>));
itkConceptMacro(IntConvertibleToOutputCheck,
(Concept::Convertible<int, OutputPixelType>));
/** End concept checking */
#endif
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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