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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkScalarChanAndVeseLevelSetFunctionData.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#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
* http://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
* http://hdl.handle.net/1926/1532
*
* and
*
* "Level set segmentation using coupled active surfaces"
* http://www.insight-journal.org/browse/publication/323
* http://hdl.handle.net/1926/1533
*
*
*/
template < class TInputImage, class 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&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
};
} //end namespace itk
#endif
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