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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkMorphologicalWatershedImageFilter.h
Language: C++
Date: $Date$
Version: $Revision$
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 __itkMorphologicalWatershedImageFilter_h
#define __itkMorphologicalWatershedImageFilter_h
#include "itkImageToImageFilter.h"
namespace itk {
/** \class MorphologicalWatershedImageFilter
* \brief TODO
*
* TODO
*
* Watershed pixel are labeled 0.
* TOutputImage should be an integer type.
* Labels of output image are in no particular order. You can reorder the
* labels such that object labels are consecutive and sorted based on object
* size by passing the output of this filter to a RelabelComponentImageFilter.
*
* The morphological watershed transform algorithm is described in
* Chapter 9.2 of Pierre Soille's book "Morphological Image Analysis:
* Principles and Applications", Second Edition, Springer, 2003.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* \sa WatershedImageFilter, MorphologicalWatershedFromMarkersImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
*/
template<class TInputImage, class TOutputImage>
class ITK_EXPORT MorphologicalWatershedImageFilter :
public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
/** Standard class typedefs. */
typedef MorphologicalWatershedImageFilter Self;
typedef ImageToImageFilter<TInputImage, TOutputImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Some convenient typedefs. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::ConstPointer InputImageConstPointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::ConstPointer OutputImageConstPointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(MorphologicalWatershedImageFilter,
ImageToImageFilter);
/**
* Set/Get whether the connected components are defined strictly by
* face connectivity or by face+edge+vertex connectivity. Default is
* FullyConnectedOff. For objects that are 1 pixel wide, use
* FullyConnectedOn.
*/
itkSetMacro(FullyConnected, bool);
itkGetConstReferenceMacro(FullyConnected, bool);
itkBooleanMacro(FullyConnected);
/**
* Set/Get whether the watershed pixel must be marked or not. Default
* is true. Set it to false do not only avoid writing watershed pixels,
* it also decrease algorithm complexity.
*/
itkSetMacro(MarkWatershedLine, bool);
itkGetConstReferenceMacro(MarkWatershedLine, bool);
itkBooleanMacro(MarkWatershedLine);
/**
*/
itkSetMacro(Level, InputImagePixelType);
itkGetConstMacro(Level, InputImagePixelType);
protected:
MorphologicalWatershedImageFilter();
~MorphologicalWatershedImageFilter() {};
void PrintSelf(std::ostream& os, Indent indent) const;
/** MorphologicalWatershedImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void GenerateInputRequestedRegion();
/** MorphologicalWatershedImageFilter will produce the entire output. */
void EnlargeOutputRequestedRegion(DataObject *itkNotUsed(output));
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleGeodesicErodeImageFilter. */
void GenerateData();
private:
MorphologicalWatershedImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_FullyConnected;
bool m_MarkWatershedLine;
InputImagePixelType m_Level;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMorphologicalWatershedImageFilter.txx"
#endif
#endif
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