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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 itkShapeRelabelImageFilter_h
#define itkShapeRelabelImageFilter_h
#include "itkShapeLabelObject.h"
#include "itkLabelImageToLabelMapFilter.h"
#include "itkShapeLabelMapFilter.h"
#include "itkShapeRelabelLabelMapFilter.h"
#include "itkLabelMapToLabelImageFilter.h"
namespace itk
{
/**
* \class ShapeRelabelImageFilter
* \brief relabel objects according to their shape attributes
*
* ShapeRelabelImageFilter relabel a labeled image according to the shape attributes of
* the objects. The label produced are always consecutive.
*
* \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 ShapeLabelObject, RelabelComponentImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKLabelMap
*/
template <typename TInputImage>
class ITK_TEMPLATE_EXPORT ShapeRelabelImageFilter : public ImageToImageFilter<TInputImage, TInputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(ShapeRelabelImageFilter);
/** Standard class type aliases. */
using Self = ShapeRelabelImageFilter;
using Superclass = ImageToImageFilter<TInputImage, TInputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Some convenient type alias. */
using InputImageType = TInputImage;
using OutputImageType = TInputImage;
using InputImagePointer = typename InputImageType::Pointer;
using InputImageConstPointer = typename InputImageType::ConstPointer;
using InputImageRegionType = typename InputImageType::RegionType;
using InputImagePixelType = typename InputImageType::PixelType;
using OutputImagePointer = typename OutputImageType::Pointer;
using OutputImageConstPointer = typename OutputImageType::ConstPointer;
using OutputImageRegionType = typename OutputImageType::RegionType;
using OutputImagePixelType = typename OutputImageType::PixelType;
/** ImageDimension constants */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;
using LabelObjectType = ShapeLabelObject<InputImagePixelType, Self::ImageDimension>;
using LabelMapType = LabelMap<LabelObjectType>;
using LabelizerType = LabelImageToLabelMapFilter<InputImageType, LabelMapType>;
using ShapeLabelFilterOutput = Image<typename OutputImageType::PixelType, Self::OutputImageDimension>;
using LabelObjectValuatorType = ShapeLabelMapFilter<LabelMapType, ShapeLabelFilterOutput>;
using AttributeType = typename LabelObjectType::AttributeType;
using RelabelType = ShapeRelabelLabelMapFilter<LabelMapType>;
using BinarizerType = LabelMapToLabelImageFilter<LabelMapType, OutputImageType>;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(ShapeRelabelImageFilter);
#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
/**
* Set/Get the value used as "background" in the output image.
* Defaults to NumericTraits<PixelType>::NonpositiveMin().
*/
itkSetMacro(BackgroundValue, OutputImagePixelType);
itkGetConstMacro(BackgroundValue, OutputImagePixelType);
/**
* Set/Get the order of labeling of the objects. By default, the objects with
* the highest attribute values are labeled first. Set ReverseOrdering to true
* make the one with the smallest attributes be labeled first.
*/
itkGetConstMacro(ReverseOrdering, bool);
itkSetMacro(ReverseOrdering, bool);
itkBooleanMacro(ReverseOrdering);
/**
* Set/Get the attribute to use. Default is "Size".
*/
itkGetConstMacro(Attribute, AttributeType);
itkSetMacro(Attribute, AttributeType);
void
SetAttribute(const std::string & s)
{
this->SetAttribute(LabelObjectType::GetAttributeFromName(s));
}
protected:
ShapeRelabelImageFilter();
~ShapeRelabelImageFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
/** ShapeRelabelImageFilter needs the entire input be
* available. Thus, it needs to provide an implementation of
* GenerateInputRequestedRegion(). */
void
GenerateInputRequestedRegion() override;
/** ShapeRelabelImageFilter will produce the entire output. */
void
EnlargeOutputRequestedRegion(DataObject * itkNotUsed(output)) override;
/** Single-threaded version of GenerateData. This filter delegates
* to GrayscaleGeodesicErodeImageFilter. */
void
GenerateData() override;
private:
OutputImagePixelType m_BackgroundValue{};
bool m_ReverseOrdering{};
AttributeType m_Attribute{};
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkShapeRelabelImageFilter.hxx"
#endif
#endif
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