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/*=========================================================================
*
* Copyright NumFOCUS
*
* 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
*
* https://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 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
* \ingroup ITKLabelVoting
*/
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT VotingBinaryHoleFillingImageFilter : public VotingBinaryImageFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(VotingBinaryHoleFillingImageFilter);
/** Extract dimension from input and output image. */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
/** Convenient type alias for simplifying declarations. */
using InputImageType = TInputImage;
using OutputImageType = TOutputImage;
/** Standard class type aliases. */
using Self = VotingBinaryHoleFillingImageFilter;
using Superclass = VotingBinaryImageFilter<InputImageType, OutputImageType>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(VotingBinaryHoleFillingImageFilter);
/** Image type alias support */
using InputPixelType = typename InputImageType::PixelType;
using OutputPixelType = typename OutputImageType::PixelType;
using InputImageRegionType = typename InputImageType::RegionType;
using OutputImageRegionType = typename OutputImageType::RegionType;
using InputSizeType = typename InputImageType::SizeType;
using SizeValueType = typename InputImageType::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 up 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();
~VotingBinaryHoleFillingImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** Make protected the methods SetBirthThreshold() and
* SetSurvivalThreshold() so users of this filter do not have access to
* them. */
void
SetBirthThreshold(const unsigned int value) override
{
this->Superclass::SetBirthThreshold(value);
}
void
SetSurvivalThreshold(const unsigned int value) override
{
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, ThreadIdType threadId) override;
void
DynamicThreadedGenerateData(const OutputImageRegionType &) override
{
itkExceptionMacro("This class requires threadId so it must use classic multi-threading model");
}
/** Methods to be called before and after the invocation of
* ThreadedGenerateData(). */
void
BeforeThreadedGenerateData() override;
void
AfterThreadedGenerateData() override;
private:
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.hxx"
#endif
#endif
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