ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/ImageProcessing/IntensityWindowingImageFilter.cxx
#include "itkImage.h"
typedef itk::Image<unsigned char, 2> ImageType;
static void CreateImage(ImageType::Pointer image);
int main(int, char *[])
{
ImageType::Pointer image = ImageType::New();
CreateImage(image);
typedef itk::IntensityWindowingImageFilter <ImageType, ImageType> IntensityWindowingImageFilterType;
IntensityWindowingImageFilterType::Pointer filter = IntensityWindowingImageFilterType::New();
filter->SetInput(image);
filter->SetWindowMinimum(0);
filter->SetWindowMaximum(100);
filter->SetOutputMinimum(0);
filter->SetOutputMaximum(255);
filter->Update();
WriterType::Pointer writer = WriterType::New();
writer->SetFileName("output.png");
writer->SetInput(image);
writer->Update();
return EXIT_SUCCESS;
}
void CreateImage(ImageType::Pointer image)
{
ImageType::IndexType start;
start.Fill(0);
ImageType::SizeType size;
size.Fill(100);
ImageType::RegionType region(start,size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(10);
itk::ImageRegionIterator<ImageType> imageIterator(image,region);
while(!imageIterator.IsAtEnd())
{
if(imageIterator.GetIndex()[0] > 30)
{
imageIterator.Set(0);
}
++imageIterator;
}
}