ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/ImageProcessing/NormalizeImageFilter.cxx
#include "itkImage.h"
#include "QuickView.h"
#include <iomanip>
int main(int argc, char *argv[])
{
if(argc < 2)
{
std::cerr << "Usage: " << argv[0] << " filename" << std::endl;
return EXIT_FAILURE;
}
typedef itk::Image<double, 2> FloatImageType;
ReaderType;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
NormalizeFilterType;
NormalizeFilterType::Pointer normalizeFilter = NormalizeFilterType::New();
normalizeFilter->SetInput(reader->GetOutput());
StatisticsFilterType;
StatisticsFilterType::Pointer statistics1 = StatisticsFilterType::New();
statistics1->SetInput(reader->GetOutput());
StatisticsFilterType::Pointer statistics2 = StatisticsFilterType::New();
statistics2->SetInput(normalizeFilter->GetOutput());
QuickView viewer;
std::stringstream desc1;
statistics1->Update();
desc1 << itksys::SystemTools::GetFilenameName(argv[1])
<< "\nMean: " << statistics1->GetMean()
<< " Variance: " << statistics1->GetVariance();
viewer.AddImage(
reader->GetOutput(),
true,
desc1.str());
std::stringstream desc2;
statistics2->Update();
desc2 << "Normalize"
<< "\nMean: "
<< std::fixed << std::setprecision (2) << statistics2->GetMean()
<< " Variance: " << statistics2->GetVariance();
viewer.AddImage(
normalizeFilter->GetOutput(),
true,
desc2.str());
viewer.Visualize();
return EXIT_SUCCESS;
}