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| ==BinaryThinningImageFilter.cxx==
| | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions. |
| <source lang="cpp">
| | }} |
| #include "itkBinaryThinningImageFilter.h"
| |
| #include "itkImage.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkImageFileWriter.h"
| |
| #include "itkRescaleIntensityImageFilter.h"
| |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| | |
| static void WriteImage(const ImageType::Pointer image, const std::string& fileName);
| |
| static void CreateImage(ImageType::Pointer image);
| |
| | |
| int main(int argc, char *argv[])
| |
| { | |
| ImageType::Pointer image = ImageType::New();
| |
| if( argc == 2)
| |
| {
| |
| typedef itk::ImageFileReader<ImageType> ImageReader;
| |
| ImageReader::Pointer reader = ImageReader::New();
| |
| std::string fileName = argv[1];
| |
| reader->SetFileName(fileName);
| |
| reader->Update();
| |
| image = reader->GetOutput();
| |
| }
| |
| else
| |
| {
| |
| CreateImage(image);
| |
| WriteImage(image, "input.png");
| |
| }
| |
| | |
| typedef itk::BinaryThinningImageFilter <ImageType, ImageType> BinaryThinningImageFilterType;
| |
| BinaryThinningImageFilterType::Pointer binaryThinningImageFilter = BinaryThinningImageFilterType::New();
| |
| binaryThinningImageFilter->SetInput(image);
| |
| binaryThinningImageFilter->Update();
| |
| | |
| // Rescale the image so that it can be seen (the output is 0 and 1, we want 0 and 255)
| |
| typedef itk::RescaleIntensityImageFilter< ImageType, ImageType > RescaleType;
| |
| RescaleType::Pointer rescaler = RescaleType::New();
| |
| rescaler->SetInput( binaryThinningImageFilter->GetOutput() );
| |
| rescaler->SetOutputMinimum(0);
| |
| rescaler->SetOutputMaximum(255);
| |
| rescaler->Update();
| |
|
| |
| WriteImage(rescaler->GetOutput(), "output.png");
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| | |
| void CreateImage(ImageType::Pointer image)
| |
| {
| |
| // Create an 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(0);
| |
| | |
| // Draw a 5 pixel wide line
| |
| for(unsigned int i = 20; i < 80; ++i)
| |
| {
| |
| for(unsigned int j = 50; j < 55; ++j)
| |
| {
| |
| itk::Index<2> index;
| |
| index[0] = i;
| |
| index[1] = j;
| |
| image->SetPixel(index, 255);
| |
| }
| |
| }
| |
| }
| |
| | |
| void WriteImage(const ImageType::Pointer image, const std::string& fileName)
| |
| {
| |
| typedef itk::ImageFileWriter< ImageType > WriterType;
| |
| WriterType::Pointer writer = WriterType::New();
| |
| writer->SetFileName(fileName);
| |
| writer->SetInput(image);
| |
| writer->Update();
| |
| }
| |
| | |
| </source>
| |
| | |
| {{ITKCMakeLists|BinaryThinningImageFilter}}
| |
