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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 itkConvertLabelMapFilter_h
#define itkConvertLabelMapFilter_h
#include "itkLabelMapFilter.h"
namespace itk
{
/**
* \class ConvertLabelMapFilter
* \brief Converts the LabelObjects of a LabelMap to a different type of LabelObject
*
* The LabelObjects are copied and not simply dynamically casted so the filter ensures
* that the type of the label objects are of the type specified with TOutputImage.
*
* \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 LabelMapToBinaryImageFilter, LabelMapMaskImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup LabeledImageFilters
* \ingroup ITKLabelMap
*/
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT ConvertLabelMapFilter : public LabelMapFilter<TInputImage, TOutputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(ConvertLabelMapFilter);
/** Standard class type aliases. */
using Self = ConvertLabelMapFilter;
using Superclass = LabelMapFilter<TInputImage, TOutputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Some convenient type alias. */
using InputImageType = TInputImage;
using OutputImageType = TOutputImage;
using InputImagePointer = typename InputImageType::Pointer;
using InputImageConstPointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
using LabelObjectType = typename InputImageType::LabelObjectType;
using OutputImagePointer = typename OutputImageType::Pointer;
using OutputImageConstPointer = typename OutputImageType::ConstPointer;
using OutputImageRegionType = typename OutputImageType::RegionType;
using OutputImagePixelType = typename OutputImageType::PixelType;
using IndexType = typename OutputImageType::IndexType;
using OutputLabelObjectType = typename OutputImageType::LabelObjectType;
/** ImageDimension constants */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(ConvertLabelMapFilter);
protected:
ConvertLabelMapFilter() = default;
~ConvertLabelMapFilter() override = default;
void
GenerateData() override;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkConvertLabelMapFilter.hxx"
#endif
#endif
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