/usr/include/ITK-4.5/itkLevelSetEquationLaplacianTerm.h is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
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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 __itkLevelSetEquationLaplacianTerm_h
#define __itkLevelSetEquationLaplacianTerm_h
#include "itkLevelSetEquationTermBase.h"
#include "itkZeroFluxNeumannBoundaryCondition.h"
#include "itkConstNeighborhoodIterator.h"
#include "itkVector.h"
#include "vnl/vnl_matrix_fixed.h"
namespace itk
{
/**
* \class LevelSetEquationLaplacianTerm
* \brief Derived class to represents a propagation term in the level-set evolution PDE
*
* \f[
* LaplacianImage( p ) \cdot \Delta \phi( p )
* \f]
*
* \li LaplacianImage denotes the Laplacian image set by the user
* \li \f$ \Delta \phi \f$ denotes the Laplacian of the level-set function \f$\phi \f$
*
* \tparam TInput Input Image Type
* \tparam TLevelSetContainer Level set function container type
* \ingroup ITKLevelSetsv4
*/
template< typename TInput, // Input image or mesh
typename TLevelSetContainer >
class LevelSetEquationLaplacianTerm :
public LevelSetEquationTermBase< TInput, TLevelSetContainer >
{
public:
typedef LevelSetEquationLaplacianTerm Self;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef LevelSetEquationTermBase< TInput, TLevelSetContainer >
Superclass;
/** Method for creation through object factory */
itkNewMacro( Self );
/** Run-time type information */
itkTypeMacro( LevelSetEquationLaplacianTerm,
LevelSetEquationTermBase );
typedef typename Superclass::InputImageType InputImageType;
typedef typename Superclass::InputImagePointer InputImagePointer;
typedef typename Superclass::InputPixelType InputPixelType;
typedef typename Superclass::InputPixelRealType InputPixelRealType;
typedef typename Superclass::LevelSetContainerType LevelSetContainerType;
typedef typename Superclass::LevelSetContainerPointer LevelSetContainerPointer;
typedef typename Superclass::LevelSetType LevelSetType;
typedef typename Superclass::LevelSetPointer LevelSetPointer;
typedef typename Superclass::LevelSetOutputPixelType LevelSetOutputPixelType;
typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType;
typedef typename Superclass::LevelSetInputIndexType LevelSetInputIndexType;
typedef typename Superclass::LevelSetGradientType LevelSetGradientType;
typedef typename Superclass::LevelSetHessianType LevelSetHessianType;
typedef typename Superclass::LevelSetIdentifierType LevelSetIdentifierType;
typedef typename Superclass::HeavisideType HeavisideType;
typedef typename Superclass::HeavisideConstPointer HeavisideConstPointer;
typedef typename Superclass::LevelSetDataType LevelSetDataType;
itkStaticConstMacro(ImageDimension, unsigned int, InputImageType::ImageDimension);
/** Neighborhood radius type */
typedef ZeroFluxNeumannBoundaryCondition< InputImageType > DefaultBoundaryConditionType;
typedef typename ConstNeighborhoodIterator< InputImageType >::RadiusType RadiusType;
typedef ConstNeighborhoodIterator< InputImageType, DefaultBoundaryConditionType > NeighborhoodType;
typedef Vector< LevelSetOutputRealType, itkGetStaticConstMacro(ImageDimension) > NeighborhoodScalesType;
/** Update the term parameter values at end of iteration */
virtual void Update();
/** Initialize the parameters in the terms prior to an iteration */
virtual void InitializeParameters();
/** \todo to be documented. */
virtual void Initialize( const LevelSetInputIndexType& );
/** Supply updates at pixels to keep the term parameters always updated */
virtual void UpdatePixel( const LevelSetInputIndexType& iP,
const LevelSetOutputRealType& oldValue,
const LevelSetOutputRealType& newValue );
protected:
LevelSetEquationLaplacianTerm();
virtual ~LevelSetEquationLaplacianTerm();
/** Return the spatial speed dependence a given pixel location
* Usually, it is constant across the image domain */
LevelSetOutputRealType LaplacianSpeed( const LevelSetInputIndexType& iP ) const;
/** Returns the term contribution for a given location iP, i.e.
* \f$ \omega_i( p ) \f$. */
virtual LevelSetOutputRealType Value( const LevelSetInputIndexType& iP );
/** Returns the term contribution for a given location iP, i.e.
* \f$ \omega_i( p ) \f$. */
virtual LevelSetOutputRealType Value( const LevelSetInputIndexType& iP,
const LevelSetDataType& iData );
private:
LevelSetEquationLaplacianTerm( const Self& ); // purposely not implemented
void operator = ( const Self& ); // purposely not implemented
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLevelSetEquationLaplacianTerm.hxx"
#endif
#endif
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