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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: VesselnessMeasureImageFilter.cxx
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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#ifdef __BORLANDC__
#define ITK_LEAN_AND_MEAN
#endif
// The example takes an image (say MRA image), computes the vesselness measure
// of the image using the HessianRecursiveGaussianImageFilter and the
// Hessian3DToVesselnessMeasureImageFilter. The goal is to detect bright tubular
// structures in the image.
#include "itkHessian3DToVesselnessMeasureImageFilter.h"
#include "itkHessianRecursiveGaussianImageFilter.h"
#include "itkSymmetricSecondRankTensor.h"
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
int main( int argc, char *argv[] )
{
if( argc < 3 )
{
std::cerr << "Usage: inputImage outputImage [sigma] [alpha_1] [alpha_2]" << std::endl;
}
const unsigned int Dimension = 3;
typedef double InputPixelType;
typedef float OutputPixelType;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
typedef itk::HessianRecursiveGaussianImageFilter<
InputImageType > HessianFilterType;
typedef itk::Hessian3DToVesselnessMeasureImageFilter<
OutputPixelType > VesselnessMeasureFilterType;
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
HessianFilterType::Pointer hessianFilter = HessianFilterType::New();
VesselnessMeasureFilterType::Pointer vesselnessFilter =
VesselnessMeasureFilterType::New();
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
reader->SetFileName( argv[1] );
hessianFilter->SetInput( reader->GetOutput() );
if( argc >= 4 )
{
hessianFilter->SetSigma( static_cast< double >(atof(argv[3])) );
}
vesselnessFilter->SetInput( hessianFilter->GetOutput() );
writer->SetInput( vesselnessFilter->GetOutput() );
writer->SetFileName( argv[2] );
if( argc >= 5 )
{
vesselnessFilter->SetAlpha1( static_cast< double >(atof(argv[4])));
}
if( argc >= 6 )
{
vesselnessFilter->SetAlpha2( static_cast< double >(atof(argv[5])));
}
writer->Update();
return EXIT_SUCCESS;
}
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