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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 itkAttributeRelabelLabelMapFilter_h
#define itkAttributeRelabelLabelMapFilter_h
#include "itkInPlaceLabelMapFilter.h"
#include "itkAttributeLabelObject.h"
namespace itk {
/** \class AttributeRelabelLabelMapFilter
* \brief relabel objects according to their shape attributes
*
* AttributeRelabelLabelMapFilter relabel a label map according to the
* attribute values of the objects.
* The attribute is provide by an attribute accessor given in template parameter.
*
* This implementation was taken from the Insight Journal paper:
* https://hdl.handle.net/1926/584 or
* http://www.insight-journal.org/browse/publication/176
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* \sa AttributeLabelObject, RelabelComponentImageFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKLabelMap
*/
template<typename TImage, typename TAttributeAccessor=
typename Functor::AttributeLabelObjectAccessor< typename TImage::LabelObjectType > >
class ITK_TEMPLATE_EXPORT AttributeRelabelLabelMapFilter :
public InPlaceLabelMapFilter<TImage>
{
public:
/** Standard class typedefs. */
typedef AttributeRelabelLabelMapFilter Self;
typedef InPlaceLabelMapFilter<TImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Some convenient typedefs. */
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::ConstPointer ImageConstPointer;
typedef typename ImageType::PixelType PixelType;
typedef typename ImageType::IndexType IndexType;
typedef typename ImageType::LabelObjectType LabelObjectType;
typedef TAttributeAccessor AttributeAccessorType;
typedef typename AttributeAccessorType::AttributeValueType AttributeValueType;
/** ImageDimension constants */
itkStaticConstMacro(ImageDimension, unsigned int,
TImage::ImageDimension);
/** Standard New method. */
itkNewMacro(Self);
/** Runtime information support. */
itkTypeMacro(AttributeRelabelLabelMapFilter,
InPlaceLabelMapFilter);
#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 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.
*/
itkSetMacro( ReverseOrdering, bool );
itkGetConstReferenceMacro( ReverseOrdering, bool );
itkBooleanMacro( ReverseOrdering );
protected:
AttributeRelabelLabelMapFilter();
~AttributeRelabelLabelMapFilter() ITK_OVERRIDE {};
void GenerateData() ITK_OVERRIDE;
void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;
class ReverseComparator
{
public:
bool operator()( const typename LabelObjectType::Pointer & a, const typename LabelObjectType::Pointer & b )
{
return m_Accessor( a ) < m_Accessor( b );
}
ReverseComparator(): m_Accessor() {}
private:
AttributeAccessorType m_Accessor;
};
class Comparator
{
public:
bool operator()( const typename LabelObjectType::Pointer & a, const typename LabelObjectType::Pointer & b )
{
return m_Accessor( a ) > m_Accessor( b );
}
Comparator(): m_Accessor() {}
private:
AttributeAccessorType m_Accessor;
};
private:
ITK_DISALLOW_COPY_AND_ASSIGN(AttributeRelabelLabelMapFilter);
bool m_ReverseOrdering;
}; // end of class
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAttributeRelabelLabelMapFilter.hxx"
#endif
#endif
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