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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkVotingBinaryHoleFillingImageFilter.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 __itkVotingBinaryHoleFillingImageFilter_h
#define __itkVotingBinaryHoleFillingImageFilter_h
#include "itkVotingBinaryImageFilter.h"
#include "itkArray.h"
namespace itk
{
/** \class VotingBinaryHoleFillingImageFilter
* \brief Fills in holes and cavities by applying a voting operation on each pixel.
*
*
* \sa Image
* \sa VotingBinaryImageFilter
* \sa VotingBinaryIterativeHoleFillingImageFilter
* \sa Neighborhood
* \sa NeighborhoodOperator
* \sa NeighborhoodIterator
*
* \ingroup IntensityImageFilters
*/
template <class TInputImage, class TOutputImage>
class ITK_EXPORT VotingBinaryHoleFillingImageFilter :
public VotingBinaryImageFilter< TInputImage, TOutputImage >
{
public:
/** Extract dimension from input and output image. */
itkStaticConstMacro(InputImageDimension, unsigned int,
TInputImage::ImageDimension);
itkStaticConstMacro(OutputImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Convenient typedefs for simplifying declarations. */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
/** Standard class typedefs. */
typedef VotingBinaryHoleFillingImageFilter Self;
typedef VotingBinaryImageFilter< InputImageType, OutputImageType> 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(VotingBinaryHoleFillingImageFilter, VotingBinaryImageFilter);
/** Image typedef support. */
typedef typename InputImageType::PixelType InputPixelType;
typedef typename OutputImageType::PixelType OutputPixelType;
typedef typename InputImageType::RegionType InputImageRegionType;
typedef typename OutputImageType::RegionType OutputImageRegionType;
typedef typename InputImageType::SizeType InputSizeType;
typedef typename InputImageType::SizeValueType SizeValueType;
/** Majority threshold. It is the number of pixels over 50% that will decide
* whether an OFF pixel will become ON or not. For example, if the
* neighborhood of a pixel has 124 pixels (excluding itself), the 50% will be
* 62, and if you set upd a Majority threshold of 5, that means that the
* filter will require 67 or more neighbor pixels to be ON in order to switch
* the current OFF pixel to ON. The default value is 1. */
itkGetConstReferenceMacro( MajorityThreshold, unsigned int );
itkSetMacro( MajorityThreshold, unsigned int );
/** Returns the number of pixels that changed when the filter was executed. */
itkGetConstReferenceMacro( NumberOfPixelsChanged, SizeValueType );
#ifdef ITK_USE_CONCEPT_CHECKING
/** Begin concept checking */
itkConceptMacro(IntConvertibleToInputCheck,
(Concept::Convertible<int, InputPixelType>));
itkConceptMacro(UnsignedIntConvertibleToInputCheck,
(Concept::Convertible<unsigned int, InputPixelType>));
/** End concept checking */
#endif
protected:
VotingBinaryHoleFillingImageFilter();
virtual ~VotingBinaryHoleFillingImageFilter() {}
void PrintSelf(std::ostream& os, Indent indent) const;
/** Make protected the methods SetBirthThreshold() and
* SetSurvivalThreshold() so users of this filter do not have access to
* them. */
void SetBirthThreshold( const unsigned int value )
{ this->Superclass::SetBirthThreshold( value ); }
void SetSurvivalThreshold( const unsigned int value )
{ this->Superclass::SetSurvivalThreshold( value ); }
/** VotingBinaryHoleFillingImageFilter can be implemented as a multithreaded filter.
* Therefore, this implementation provides a ThreadedGenerateData()
* routine which is called for each processing thread. The output
* image data is allocated automatically by the superclass prior to
* calling ThreadedGenerateData(). ThreadedGenerateData can only
* write to the portion of the output image specified by the
* parameter "outputRegionForThread"
*
* \sa ImageToImageFilter::ThreadedGenerateData(),
* ImageToImageFilter::GenerateData() */
void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
int threadId );
/** Methods to be called before and after the invokation of
* ThreadedGenerateData(). */
void BeforeThreadedGenerateData();
void AfterThreadedGenerateData();
private:
VotingBinaryHoleFillingImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
unsigned int m_MajorityThreshold;
SizeValueType m_NumberOfPixelsChanged;
// Auxiliary array for multi-threading
Array<SizeValueType> m_Count;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVotingBinaryHoleFillingImageFilter.txx"
#endif
#endif
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