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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkVotingBinaryImageFilter_h
#define itkVotingBinaryImageFilter_h
#include "itkImageToImageFilter.h"
namespace itk
{
/** \class VotingBinaryImageFilter
* \brief Applies a voting operation in a neighborhood of each pixel.
*
* \note Pixels which are not Foreground or Background will remain unchanged.
*
* \sa Image
* \sa Neighborhood
* \sa NeighborhoodOperator
* \sa NeighborhoodIterator
*
* \ingroup IntensityImageFilters
* \ingroup ITKLabelVoting
*/
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT VotingBinaryImageFilter:
public ImageToImageFilter< 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 VotingBinaryImageFilter Self;
typedef ImageToImageFilter< 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(VotingBinaryImageFilter, ImageToImageFilter);
/** 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;
/** Set the radius of the neighborhood used to compute the median. */
itkSetMacro(Radius, InputSizeType);
/** Get the radius of the neighborhood used to compute the median */
itkGetConstReferenceMacro(Radius, InputSizeType);
/** Set the value associated with the Foreground (or the object) on
the binary input image and the Background . */
itkSetMacro(BackgroundValue, InputPixelType);
itkSetMacro(ForegroundValue, InputPixelType);
/** Get the value associated with the Foreground (or the object) on the
binary input image and the Background . */
itkGetConstReferenceMacro(BackgroundValue, InputPixelType);
itkGetConstReferenceMacro(ForegroundValue, InputPixelType);
/** Birth threshold. Pixels that are OFF will turn ON when the number of
* neighbors ON is larger than the value defined in this threshold. */
itkGetConstReferenceMacro(BirthThreshold, unsigned int);
itkSetMacro(BirthThreshold, unsigned int);
/** Survival threshold. Pixels that are ON will turn OFF when the number of
* neighbors ON is smaller than the value defined in this survival threshold. */
itkGetConstReferenceMacro(SurvivalThreshold, unsigned int);
itkSetMacro(SurvivalThreshold, unsigned int);
/** VotingBinaryImageFilter needs a larger input requested region than
* the output requested region. As such, VotingBinaryImageFilter needs
* to provide an implementation for GenerateInputRequestedRegion()
* in order to inform the pipeline execution model.
*
* \sa ImageToImageFilter::GenerateInputRequestedRegion() */
virtual void GenerateInputRequestedRegion() ITK_OVERRIDE;
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
itkConceptMacro( InputEqualityComparableCheck,
( Concept::EqualityComparable< InputPixelType > ) );
itkConceptMacro( IntConvertibleToInputCheck,
( Concept::Convertible< int, InputPixelType > ) );
itkConceptMacro( InputConvertibleToOutputCheck,
( Concept::Convertible< InputPixelType, OutputPixelType > ) );
itkConceptMacro( SameDimensionCheck,
( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
itkConceptMacro( InputOStreamWritableCheck,
( Concept::OStreamWritable< InputPixelType > ) );
// End concept checking
#endif
protected:
VotingBinaryImageFilter();
virtual ~VotingBinaryImageFilter() ITK_OVERRIDE {}
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
/** VotingBinaryImageFilter 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,
ThreadIdType threadId) ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(VotingBinaryImageFilter);
InputSizeType m_Radius;
InputPixelType m_ForegroundValue;
InputPixelType m_BackgroundValue;
unsigned int m_BirthThreshold;
unsigned int m_SurvivalThreshold;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkVotingBinaryImageFilter.hxx"
#endif
#endif
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