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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkNeighborhoodConnectedImageFilter.h,v $
Language: C++
Date: $Date: 2007-10-05 10:31:58 $
Version: $Revision: 1.10 $
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 __itkNeighborhoodConnectedImageFilter_h
#define __itkNeighborhoodConnectedImageFilter_h
#include "itkImage.h"
#include "itkImageToImageFilter.h"
namespace itk{
/** \class NeighborhoodConnectedImageFilter
* \brief Label pixels that are connected to a seed and lie within a neighborhood
*
* NeighborhoodConnectedImageFilter labels pixels with ReplaceValue that
* are connected to an initial Seed AND whose neighbors all lie within a
* Lower and Upper threshold range.
*
* \ingroup RegionGrowingSegmentation
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT NeighborhoodConnectedImageFilter:
public ImageToImageFilter<TInputImage,TOutputImage>
{
public:
/** Standard class typedefs. */
typedef NeighborhoodConnectedImageFilter Self;
typedef ImageToImageFilter<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(NeighborhoodConnectedImageFilter,
ImageToImageFilter);
typedef TInputImage InputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename InputImageType::PixelType InputImagePixelType;
typedef typename InputImageType::IndexType IndexType;
typedef typename InputImageType::SizeType InputImageSizeType;
typedef TOutputImage OutputImageType;
typedef typename OutputImageType::Pointer OutputImagePointer;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename OutputImageType::PixelType OutputImagePixelType;
void PrintSelf ( std::ostream& os, Indent indent ) const;
/** Clear the seeds */
void ClearSeeds()
{
m_Seeds.clear();
this->Modified();
}
/** Set seed point. */
void SetSeed(const IndexType & seed)
{
this->ClearSeeds();
this->AddSeed ( seed );
}
/** Add a seed point */
void AddSeed ( const IndexType & seed )
{
m_Seeds.push_back ( seed );
this->Modified();
};
/** Set/Get the lower threshold. The default is 0. */
itkSetMacro(Lower, InputImagePixelType);
itkGetMacro(Lower, InputImagePixelType);
/** Set/Get the upper threshold. The default is the largest possible
* value for the InputPixelType. */
itkSetMacro(Upper, InputImagePixelType);
itkGetMacro(Upper, InputImagePixelType);
/** Set/Get value to replace thresholded pixels. Pixels that lie *
* within Lower and Upper (inclusive) will be replaced with this
* value. The default is 1. */
itkSetMacro(ReplaceValue, OutputImagePixelType);
itkGetMacro(ReplaceValue, OutputImagePixelType);
/** Set the radius of the neighborhood used for a mask. */
itkSetMacro(Radius, InputImageSizeType);
/** Get the radius of the neighborhood used to compute the median */
itkGetConstReferenceMacro(Radius, InputImageSizeType);
/** ImageDimension constants */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(InputEqualityComparableCheck,
(Concept::EqualityComparable<InputImagePixelType>));
itkConceptMacro(OutputEqualityComparableCheck,
(Concept::EqualityComparable<OutputImagePixelType>));
itkConceptMacro(SameDimensionCheck,
(Concept::SameDimension<InputImageDimension, OutputImageDimension>));
itkConceptMacro(InputOStreamWritableCheck,
(Concept::OStreamWritable<InputImagePixelType>));
itkConceptMacro(OutputOStreamWritableCheck,
(Concept::OStreamWritable<OutputImagePixelType>));
/** End concept checking */
#endif
protected:
NeighborhoodConnectedImageFilter();
~NeighborhoodConnectedImageFilter(){};
std::vector<IndexType> m_Seeds;
InputImagePixelType m_Lower;
InputImagePixelType m_Upper;
OutputImagePixelType m_ReplaceValue;
InputImageSizeType m_Radius;
// Override since the filter needs all the data for the algorithm
void GenerateInputRequestedRegion();
// Override since the filter produces the entire dataset
void EnlargeOutputRequestedRegion(DataObject *output);
void GenerateData();
private:
NeighborhoodConnectedImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkNeighborhoodConnectedImageFilter.txx"
#endif
#endif
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