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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkBinaryMinMaxCurvatureFlowFunction.h,v $
Language: C++
Date: $Date: 2003-09-10 14:28:28 $
Version: $Revision: 1.9 $
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 __itkBinaryMinMaxCurvatureFlowFunction_h_
#define __itkBinaryMinMaxCurvatureFlowFunction_h_
#include "itkMinMaxCurvatureFlowFunction.h"
#include "itkMacro.h"
#include "itkNeighborhoodOperator.h"
namespace itk {
/** \class BinaryMinMaxCurvatureFlowFunction
*
* This class encapsulate the finite difference equation which drives a
* min/max curvature flow algorithm for denoising binary images.
*
* This class uses a zero flux Neumann boundary condition when computing
* derivatives near the data boundary.
*
* This class operates as part of the finite difference solver hierarchy.
*
* \sa BinaryMinMaxCurvatureFlowImageFilter
* \sa ZeroFluxNeumannBoundaryCondition
* \ingroup FiniteDifferenceFunctions
*/
template <class TImage>
class ITK_EXPORT BinaryMinMaxCurvatureFlowFunction :
public MinMaxCurvatureFlowFunction<TImage>
{
public:
/** Standard class typedefs. */
typedef BinaryMinMaxCurvatureFlowFunction Self;
typedef MinMaxCurvatureFlowFunction<TImage> Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods) */
itkTypeMacro( BinaryMinMaxCurvatureFlowFunction,
MinMaxCurvatureFlowFunction );
/** Inherit some parameters from the superclass type. */
typedef typename Superclass::PixelType PixelType;
typedef typename Superclass::RadiusType RadiusType;
typedef typename Superclass::NeighborhoodType NeighborhoodType;
typedef typename Superclass::FloatOffsetType FloatOffsetType;
typedef typename Superclass::ImageType ImageType;
/** Extract superclass dimension. */
itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);
/** Set/Get the threshold value. */
void SetThreshold( const double thresh )
{ m_Threshold = thresh; }
const double & GetThreshold() const
{ return m_Threshold; }
/** This method computes the solution update for each pixel that does not
* lie on a the data set boundary. */
virtual PixelType ComputeUpdate(const NeighborhoodType &neighborhood,
void * globalData,
const FloatOffsetType& offset = FloatOffsetType(0.0)
);
protected:
BinaryMinMaxCurvatureFlowFunction();
~BinaryMinMaxCurvatureFlowFunction() {}
private:
BinaryMinMaxCurvatureFlowFunction(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
double m_Threshold;
};
}// end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkBinaryMinMaxCurvatureFlowFunction.txx"
#endif
#endif
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