/usr/include/ITK-4.5/itkLevelSetEquationChanAndVeseExternalTerm.h is in libinsighttoolkit4-dev 4.5.0-3.
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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 __itkLevelSetEquationChanAndVeseExternalTerm_h
#define __itkLevelSetEquationChanAndVeseExternalTerm_h
#include "itkLevelSetEquationChanAndVeseInternalTerm.h"
#include "itkNumericTraits.h"
namespace itk
{
/**
* \class LevelSetEquationChanAndVeseExternalTerm
* \brief Class to represent the external energy Chan And Vese term
*
* \f[
* \delta_{\epsilon}\left( \phi_{k}\left( p \right) \right) \cdot
* \prod_{i = 1, i \neq k}^{N} \left( 1 - H_{\epsilon} \left( \phi_i\left( p \right) \right) \right) \cdot
\left\| I(p) - \mu_{out} \right\|^2
* \f]
*
* \li \f$ \delta_{\epsilon} \f$ is a regularized dirac function,
* \li \f$ k \f$ is the current level-set id,
* \li \f$ I\left( p \right) \f$ is the pixel value at the given location \f$ p \f$,
* \li \f$ H_{\epsilon} \f$ is a regularized Heaviside function,
* \li \f$ \mu_{out} \f$ is the external mean intensity
*
* \tparam TInput Input Image Type
* \tparam TLevelSetContainer Level set function container type
*
* \ingroup ITKLevelSetsv4
*/
template< typename TInput, // Input image or mesh
typename TLevelSetContainer >
class LevelSetEquationChanAndVeseExternalTerm :
public LevelSetEquationChanAndVeseInternalTerm< TInput, TLevelSetContainer >
{
public:
typedef LevelSetEquationChanAndVeseExternalTerm Self;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
typedef LevelSetEquationChanAndVeseInternalTerm< TInput,
TLevelSetContainer > Superclass;
/** Method for creation through object factory */
itkNewMacro( Self );
/** Run-time type information */
itkTypeMacro( LevelSetEquationChanAndVeseExternalTerm,
LevelSetEquationChanAndVeseInternalTerm );
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::DomainMapImageFilterType DomainMapImageFilterType;
typedef typename Superclass::CacheImageType CacheImageType;
typedef typename DomainMapImageFilterType::DomainMapType::const_iterator DomainIteratorType;
typedef typename LevelSetContainerType::IdListType IdListType;
typedef typename LevelSetContainerType::IdListIterator IdListIterator;
typedef typename LevelSetContainerType::IdListConstIterator IdListConstIterator;
typedef typename Superclass::HeavisideType HeavisideType;
typedef typename Superclass::HeavisideConstPointer HeavisideConstPointer;
/** Compute the product of Heaviside functions in the multi-levelset cases */
virtual void ComputeProduct( const LevelSetInputIndexType& iP,
LevelSetOutputRealType& prod );
/** Compute the product of Heaviside functions in the multi-levelset cases
* except the current levelset */
virtual void ComputeProductTerm( const LevelSetInputIndexType& iP,
LevelSetOutputRealType& prod );
/** Supply updates at pixels to keep the term parameters always updated */
virtual void UpdatePixel( const LevelSetInputIndexType& iP,
const LevelSetOutputRealType & oldValue,
const LevelSetOutputRealType & newValue );
protected:
LevelSetEquationChanAndVeseExternalTerm();
virtual ~LevelSetEquationChanAndVeseExternalTerm();
private:
LevelSetEquationChanAndVeseExternalTerm( const Self& ); // purposely not implemented
void operator = ( const Self& ); // purposely not implemented
DomainMapImageFilterType *m_DomainMapImageFilter;
CacheImageType *m_CacheImage;
};
}
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLevelSetEquationChanAndVeseExternalTerm.hxx"
#endif
#endif
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