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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 itkScalarChanAndVeseLevelSetFunctionData_h
#define itkScalarChanAndVeseLevelSetFunctionData_h
#include "itkRegionBasedLevelSetFunctionData.h"
namespace itk
{
/** \class ScalarChanAndVeseLevelSetFunctionData
*
* \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"
* http://www.insight-journal.org/browse/publication/642
* https://hdl.handle.net/10380/3055
*
* That is based on the papers:
*
* "Level Set Segmentation: Active Contours without edge"
* http://www.insight-journal.org/browse/publication/322
* https://hdl.handle.net/1926/1532
*
* and
*
* "Level set segmentation using coupled active surfaces"
* http://www.insight-journal.org/browse/publication/323
* https://hdl.handle.net/1926/1533
*
*
* \ingroup ITKReview
*/
template< typename TInputImage, typename TFeatureImage >
class ScalarChanAndVeseLevelSetFunctionData:
public RegionBasedLevelSetFunctionData< TInputImage, TFeatureImage >
{
public:
typedef ScalarChanAndVeseLevelSetFunctionData Self;
typedef RegionBasedLevelSetFunctionData< TInputImage, TFeatureImage > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
itkStaticConstMacro(ImageDimension, unsigned int, TFeatureImage::ImageDimension);
/** Method for creation through the object factory. */
itkNewMacro(Self);
itkTypeMacro(ScalarChanAndVeseLevelSetFunctionData, RegionBasedLevelSetFunctionData);
typedef TInputImage InputImageType;
typedef typename Superclass::InputImagePointer InputImagePointer;
typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
typedef typename Superclass::InputPixelType InputPixelType;
typedef typename Superclass::InputRegionType InputRegionType;
typedef typename Superclass::InputSizeType InputSizeType;
typedef typename Superclass::InputSizeValueType InputSizeValueType;
typedef typename Superclass::InputSpacingType InputSpacingType;
typedef typename Superclass::InputIndexType InputIndexType;
typedef typename Superclass::InputIndexValueType InputIndexValueType;
typedef typename Superclass::InputPointType InputPointType;
typedef TFeatureImage FeatureImageType;
typedef typename Superclass::FeatureImagePointer FeatureImagePointer;
typedef typename Superclass::FeatureImageConstPointer FeatureImageConstPointer;
typedef typename Superclass::FeaturePixelType FeaturePixelType;
typedef typename Superclass::FeatureRegionType FeatureRegionType;
typedef typename Superclass::FeatureSizeType FeatureSizeType;
typedef typename Superclass::FeatureSizeValueType FeatureSizeValueType;
typedef typename Superclass::FeatureSpacingType FeatureSpacingType;
typedef typename Superclass::FeatureIndexType FeatureIndexType;
typedef typename Superclass::FeaturePointType FeaturePointType;
double m_BackgroundConstantValues;
double m_ForegroundConstantValues;
double m_WeightedSumOfPixelValuesInsideLevelSet;
double m_WeightedSumOfPixelValuesOutsideLevelSet;
protected:
ScalarChanAndVeseLevelSetFunctionData():Superclass()
{
m_BackgroundConstantValues = 0.;
m_ForegroundConstantValues = 0.;
m_WeightedSumOfPixelValuesInsideLevelSet = 0.;
m_WeightedSumOfPixelValuesOutsideLevelSet = 0.;
}
virtual ~ScalarChanAndVeseLevelSetFunctionData() {}
private:
ScalarChanAndVeseLevelSetFunctionData(const Self &) ITK_DELETE_FUNCTION;
void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} //end namespace itk
#endif
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