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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.
*
*=========================================================================*/
/*=========================================================================
*
* Portions of this file are subject to the VTK Toolkit Version 3 copyright.
*
* Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
*
* For complete copyright, license and disclaimer of warranty information
* please refer to the NOTICE file at the top of the ITK source tree.
*
*=========================================================================*/
#ifndef itkAutoCropLabelMapFilter_h
#define itkAutoCropLabelMapFilter_h
#include "itkChangeRegionLabelMapFilter.h"
namespace itk
{
/**
* \class AutoCropLabelMapFilter
* \brief Crop a LabelMap image to fit exactly the objects in the LabelMap.
*
* The CropBorder can be used to add a border which will never be larger than
* the input image. To add a border of size independent of the input image,
* PadLabelMapFilter can be used.
*
* This implementation was taken from the Insight Journal paper:
* https://www.insight-journal.org/browse/publication/176
*
* \author Gaetan Lehmann. Biologie du Developpement et de la Reproduction, INRA de Jouy-en-Josas, France.
*
* \sa PadLabelMapFilter
* \ingroup ImageEnhancement MathematicalMorphologyImageFilters
* \ingroup ITKLabelMap
*/
template <typename TInputImage>
class ITK_TEMPLATE_EXPORT AutoCropLabelMapFilter : public ChangeRegionLabelMapFilter<TInputImage>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(AutoCropLabelMapFilter);
/** Standard class type aliases. */
using Self = AutoCropLabelMapFilter;
using Superclass = ChangeRegionLabelMapFilter<TInputImage>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
/** Standard New method. */
itkNewMacro(Self);
/** \see LightObject::GetNameOfClass() */
itkOverrideGetNameOfClassMacro(AutoCropLabelMapFilter);
/** Superclass type alias. */
using typename Superclass::OutputImageType;
using typename Superclass::OutputImagePointer;
using typename Superclass::OutputImageRegionType;
using typename Superclass::OutputImagePixelType;
/** Some convenient type alias. */
using InputImageType = TInputImage;
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 PixelType = typename InputImageType::PixelType;
using IndexType = typename InputImageType::IndexType;
using SizeType = typename InputImageType::SizeType;
using RegionType = typename InputImageType::RegionType;
using TOutputImage = TInputImage;
/** ImageDimension constants */
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;
static constexpr unsigned int ImageDimension = TOutputImage::ImageDimension;
/**
* Set/Get the border added to the mask before the crop. The default is 0 on * all the axis.
*/
itkSetMacro(CropBorder, SizeType);
itkGetConstReferenceMacro(CropBorder, SizeType);
protected:
AutoCropLabelMapFilter();
~AutoCropLabelMapFilter() override = default;
void
PrintSelf(std::ostream & os, Indent indent) const override;
void
GenerateOutputInformation() override;
private:
SizeType m_CropBorder{};
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkAutoCropLabelMapFilter.hxx"
#endif
#endif
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