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/*=========================================================================
Program: VMTK
Module: $RCSfile: itkFWHMFeatureImageFilter.h,v $
Language: C++
Date: $Date: 2005/03/04 11:14:37 $
Version: $Revision: 1.2 $
Copyright (c) Luca Antiga, David Steinman. All rights reserved.
See LICENCE file for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm
for details.
Portions of this code are covered under the ITK copyright.
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 __itkFWHMFeatureImageFilter_h
#define __itkFWHMFeatureImageFilter_h
#include "itkImageToImageFilter.h"
#include "itkImage.h"
#include "itkBinaryBallStructuringElement.h"
namespace itk
{
/** \class FWHMFeatureImageFilter
* \brief Builds a feature image which allows to perform FWHM level sets segmentation.
*
*/
template <typename TInputImage, typename TOutputImage>
class FWHMFeatureImageFilter :
public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
/** Standard class typedefs. */
typedef FWHMFeatureImageFilter Self;
typedef ImageToImageFilter< TInputImage, TOutputImage > 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(FWHMFeatureImageFilter, ImageToImageFilter);
/** Extract some information from the image types. Dimensionality
* of the two images is assumed to be the same. */
typedef typename TOutputImage::PixelType OutputPixelType;
typedef typename TInputImage::PixelType InputPixelType;
typedef typename NumericTraits<InputPixelType>::RealType RealType;
/** Extract some information from the image types. Dimensionality
* of the two images is assumed to be the same. */
itkStaticConstMacro(ImageDimension, unsigned int,
TOutputImage::ImageDimension);
/** Image typedef support */
typedef TInputImage InputImageType;
typedef TOutputImage OutputImageType;
typedef typename InputImageType::Pointer InputImagePointer;
typedef typename OutputImageType::Pointer OutputImagePointer;
/** Superclass typedefs. */
typedef typename Superclass::OutputImageRegionType OutputImageRegionType;
/** StructuringElement typedefs. */
typedef itk::BinaryBallStructuringElement<InputPixelType,3> StructuringElementType;
/** StructuringElementRadius typedefs. */
typedef typename StructuringElementType::RadiusType StructuringElementRadiusType;
/** Use the image spacing information in calculations.
Default is UseImageSpacingOn. */
void SetUseImageSpacingOn()
{ this->SetUseImageSpacing(true); }
/** Ignore the image spacing. Use this option if you want calculations to be
performed in an isotropic pixel space. Default is UseImageSpacingOn. */
void SetUseImageSpacingOff()
{ this->SetUseImageSpacing(false); }
/** Set/Get whether or not the filter will use the spacing of the input
image in its calculations */
itkSetMacro(UseImageSpacing, bool);
itkGetMacro(UseImageSpacing, bool);
/** Set/Get the structuring element radius */
itkSetMacro(Radius, StructuringElementRadiusType);
itkGetMacro(Radius, StructuringElementRadiusType);
/** Set/Get the background value used to determine the half maximum */
itkSetMacro(BackgroundValue, InputPixelType);
itkGetMacro(BackgroundValue, InputPixelType);
protected:
FWHMFeatureImageFilter();
virtual ~FWHMFeatureImageFilter() {}
void GenerateData();
void PrintSelf(std::ostream&, Indent) const;
private:
FWHMFeatureImageFilter(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_UseImageSpacing;
StructuringElementRadiusType m_Radius;
InputPixelType m_BackgroundValue;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkFWHMFeatureImageFilter.txx"
#endif
#endif
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