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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 itkUnconstrainedRegionBasedLevelSetFunctionSharedData_h
#define itkUnconstrainedRegionBasedLevelSetFunctionSharedData_h
#include "itkRegionBasedLevelSetFunctionSharedData.h"
namespace itk
{
/** \class UnconstrainedRegionBasedLevelSetFunctionSharedData
*
* \brief Helper class used to share data in the ScalarChanAndVeseLevelSetFunction.
*
* This class holds cache data used during the computation of the LevelSet updates.
*
* Based on the paper:
*
* "An active contour model without edges"
* T. Chan and L. Vese.
* In Scale-Space Theories in Computer Vision, pages 141-151, 1999.
*
* \author Mosaliganti K., Smith B., Gelas A., Gouaillard A., Megason S.
*
* This code was taken from the Insight Journal paper:
*
* "Cell Tracking using Coupled Active Surfaces for Nuclei and Membranes"
* https://www.insight-journal.org/browse/publication/642
*
* That is based on the papers:
*
* "Level Set Segmentation: Active Contours without edge"
* https://www.insight-journal.org/browse/publication/322
*
* and
*
* "Level set segmentation using coupled active surfaces"
* https://www.insight-journal.org/browse/publication/323
*
*
* \ingroup ITKReview
*/
template <typename TInputImage, typename TFeatureImage, typename TSingleData>
class UnconstrainedRegionBasedLevelSetFunctionSharedData
: public RegionBasedLevelSetFunctionSharedData<TInputImage, TFeatureImage, TSingleData>
{
public:
ITK_DISALLOW_COPY_AND_MOVE(UnconstrainedRegionBasedLevelSetFunctionSharedData);
using Self = UnconstrainedRegionBasedLevelSetFunctionSharedData;
using Superclass = RegionBasedLevelSetFunctionSharedData<TInputImage, TFeatureImage, TSingleData>;
using Pointer = SmartPointer<Self>;
using ConstPointer = SmartPointer<const Self>;
static constexpr unsigned int ImageDimension = TFeatureImage::ImageDimension;
/** Method for creation through the object factory. */
itkNewMacro(Self);
itkOverrideGetNameOfClassMacro(UnconstrainedRegionBasedLevelSetFunctionSharedData);
using InputImageType = TInputImage;
using typename Superclass::InputImagePointer;
using typename Superclass::InputImageConstPointer;
using typename Superclass::InputPixelType;
using typename Superclass::InputRegionType;
using typename Superclass::InputSizeType;
using typename Superclass::InputSizeValueType;
using typename Superclass::InputSpacingType;
using typename Superclass::InputIndexType;
using typename Superclass::InputIndexValueType;
using typename Superclass::InputPointType;
using FeatureImageType = TFeatureImage;
using typename Superclass::FeatureImagePointer;
using typename Superclass::FeatureImageConstPointer;
using typename Superclass::FeaturePixelType;
using typename Superclass::FeatureRegionType;
using typename Superclass::FeatureSizeType;
using typename Superclass::FeatureSizeValueType;
using typename Superclass::FeatureSpacingType;
using typename Superclass::FeatureIndexType;
using typename Superclass::FeaturePointType;
using typename Superclass::ListPixelType;
using typename Superclass::ListImageType;
using typename Superclass::ListImagePointer;
using typename Superclass::ListImageConstPointer;
using typename Superclass::ListRegionType;
using typename Superclass::ListSizeType;
using typename Superclass::ListSizeValueType;
using typename Superclass::ListSpacingType;
using typename Superclass::ListIndexType;
using typename Superclass::ListIndexValueType;
using typename Superclass::ListPointType;
using typename Superclass::ListIteratorType;
using typename Superclass::CentroidVectorType;
using typename Superclass::SampleType;
using typename Superclass::TreeGeneratorType;
using typename Superclass::TreePointer;
using typename Superclass::TreeType;
using typename Superclass::KdTreePointer;
using LevelSetDataType = TSingleData;
using typename Superclass::LevelSetDataPointer;
using typename Superclass::LevelSetDataPointerVector;
using typename Superclass::LevelSetDataPointerVectorIterator;
void
PopulateListImage() override
{
ListPixelType L;
for (unsigned int i = 0; i < this->m_FunctionCount; ++i)
{
L.push_back(i);
}
this->m_NearestNeighborListImage->FillBuffer(L);
}
protected:
UnconstrainedRegionBasedLevelSetFunctionSharedData()
: Superclass()
{}
~UnconstrainedRegionBasedLevelSetFunctionSharedData() override = default;
};
} // end namespace itk
#endif
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