/usr/include/InsightToolkit/Common/itkScatterMatrixImageFunction.h is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
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Program: Insight Segmentation & Registration Toolkit
Module: itkScatterMatrixImageFunction.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 __itkScatterMatrixImageFunction_h
#define __itkScatterMatrixImageFunction_h
#include "itkImageFunction.h"
#include "itkNumericTraits.h"
namespace itk
{
/**
* \class ScatterMatrixImageFunction
* \brief Calculate the scatter matrix in the neighborhood of a pixel in a Vector image.
*
* Calculate the covariance matrix over the standard 8, 26, etc. connected
* neighborhood. This calculation uses a ZeroFluxNeumannBoundaryCondition.
*
* If called with a ContinuousIndex or Point, the calculation is performed
* at the nearest neighbor.
*
* This class is templated over the input image type and the
* coordinate representation type (e.g. float or double).
*
* \sa VectorMeanImageFunction
*
* \ingroup ImageFunctions
*/
template <class TInputImage, class TCoordRep = float >
class ITK_EXPORT ScatterMatrixImageFunction :
public ImageFunction< TInputImage,
vnl_matrix<
ITK_TYPENAME NumericTraits<typename TInputImage::PixelType::ValueType>::RealType >,
TCoordRep >
{
public:
/** Standard class typedefs. */
typedef ScatterMatrixImageFunction Self;
typedef ImageFunction<TInputImage,
vnl_matrix<
ITK_TYPENAME NumericTraits<typename TInputImage::PixelType::ValueType>::RealType >,
TCoordRep > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(ScatterMatrixImageFunction, ImageFunction);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** InputImageType typedef support. */
typedef TInputImage InputImageType;
/** OutputType typdef support. */
typedef typename Superclass::OutputType OutputType;
/** Index typedef support. */
typedef typename Superclass::IndexType IndexType;
/** ContinuousIndex typedef support. */
typedef typename Superclass::ContinuousIndexType ContinuousIndexType;
/** Point typedef support. */
typedef typename Superclass::PointType PointType;
/** Dimension of the underlying image. */
itkStaticConstMacro(ImageDimension, unsigned int,
InputImageType::ImageDimension);
/** Datatype used for the covariance matrix */
typedef vnl_matrix<
typename NumericTraits<typename InputImageType::PixelType::ValueType>::RealType >
RealType;
/** Evalulate the function at specified index */
virtual RealType EvaluateAtIndex( const IndexType& index ) const;
/** Evaluate the function at non-integer positions */
virtual RealType Evaluate( const PointType& point ) const
{
IndexType index;
this->ConvertPointToNearestIndex( point, index );
return this->EvaluateAtIndex( index );
}
virtual RealType EvaluateAtContinuousIndex(
const ContinuousIndexType& cindex ) const
{
IndexType index;
this->ConvertContinuousIndexToNearestIndex( cindex, index );
return this->EvaluateAtIndex( index );
}
/** Get/Set the radius of the neighborhood over which the
statistics are evaluated */
itkSetMacro( NeighborhoodRadius, unsigned int );
itkGetConstReferenceMacro( NeighborhoodRadius, unsigned int );
protected:
ScatterMatrixImageFunction();
~ScatterMatrixImageFunction(){};
void PrintSelf(std::ostream& os, Indent indent) const;
private:
ScatterMatrixImageFunction( const Self& ); //purposely not implemented
void operator=( const Self& ); //purposely not implemented
unsigned int m_NeighborhoodRadius;
};
} // end namespace itk
// Define instantiation macro for this template.
#define ITK_TEMPLATE_ScatterMatrixImageFunction(_, EXPORT, x, y) namespace itk { \
_(2(class EXPORT ScatterMatrixImageFunction< ITK_TEMPLATE_2 x >)) \
namespace Templates { typedef ScatterMatrixImageFunction< ITK_TEMPLATE_2 x > \
ScatterMatrixImageFunction##y; } \
}
#if ITK_TEMPLATE_EXPLICIT
# include "Templates/itkScatterMatrixImageFunction+-.h"
#endif
#if ITK_TEMPLATE_TXX
# include "itkScatterMatrixImageFunction.txx"
#endif
#endif
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