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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 itkLabelUniqueLabelMapFilter_h
#define itkLabelUniqueLabelMapFilter_h
#include "itkAttributeUniqueLabelMapFilter.h"
#include "itkLabelObject.h"
#include "itkLabelObjectAccessors.h"
#include <set>
namespace itk
{
/**
* \class LabelUniqueLabelMapFilter
* \brief Make sure that the objects are not overlapping
*
* AttributeUniqueLabelMapFilter search the overlapping zones in the overlapping
* objects and keeps only a single object on all the pixels of the image.
* The object to keep is selected according to their label.
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* This implementation was taken from the Insight Journal paper:
* https://www.insight-journal.org/browse/publication/176
*
* \sa AttributeLabelObject
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKLabelMap
*/
template <typename TImage>
class LabelUniqueLabelMapFilter
: public AttributeUniqueLabelMapFilter<TImage,
typename Functor::LabelLabelObjectAccessor<typename TImage::LabelObjectType>>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(LabelUniqueLabelMapFilter);
/** Standard class type aliases. */
using Self = LabelUniqueLabelMapFilter;
using Superclass =
AttributeUniqueLabelMapFilter<TImage, typename Functor::LabelLabelObjectAccessor<typename TImage::LabelObjectType>>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Some convenient type alias. */
using ImageType = TImage;
using ImagePointer = typename ImageType::Pointer;
using ImageConstPointer = typename ImageType::ConstPointer;
using PixelType = typename ImageType::PixelType;
using IndexType = typename ImageType::IndexType;
using typename Superclass::AttributeAccessorType;
using typename Superclass::AttributeValueType;
/** ImageDimension constants */
static constexpr unsigned int ImageDimension = TImage::ImageDimension;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(LabelUniqueLabelMapFilter);
#ifdef ITK_USE_CONCEPT_CHECKING
// Begin concept checking
/* itkConceptMacro(InputEqualityComparableCheck,
(Concept::EqualityComparable<InputImagePixelType>));
itkConceptMacro(IntConvertibleToInputCheck,
(Concept::Convertible<int, InputImagePixelType>));
itkConceptMacro(InputOStreamWritableCheck,
(Concept::OStreamWritable<InputImagePixelType>));*/
// End concept checking
#endif
protected:
LabelUniqueLabelMapFilter() = default;
~LabelUniqueLabelMapFilter() override = default;
}; // end of class
} // end namespace itk
#endif
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