Apply Sin Image Filter#

Synopsis#

Compute the sine of each pixel

Results#

Input image

Rescaled Input image [0, 255]#

Output image

Rescaled Output image [0, 255]#

Code#

C++#

#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkSinImageFilter.h"

int
main(int argc, char * argv[])
{
  if (argc != 3)
  {
    std::cerr << "Usage: " << std::endl;
    std::cerr << argv[0];
    std::cerr << " <InputFileName>";
    std::cerr << " <OutputFileName>";
    std::cerr << std::endl;
    return EXIT_FAILURE;
  }
  const char * inputFileName = argv[1];
  const char * outputFileName = argv[2];

  constexpr unsigned int Dimension = 2;

  using PixelType = float;
  using ImageType = itk::Image<PixelType, Dimension>;

  const auto input = itk::ReadImage<ImageType>(inputFileName);

  using FilterType = itk::SinImageFilter<ImageType, ImageType>;
  auto filter = FilterType::New();
  filter->SetInput(input);

  try
  {
    itk::WriteImage(filter->GetOutput(), outputFileName);
  }
  catch (const itk::ExceptionObject & error)
  {
    std::cerr << "Error: " << error << std::endl;
    return EXIT_FAILURE;
  }

  return EXIT_SUCCESS;
}

Classes demonstrated#

template<typename TInputImage, typename TOutputImage>
class SinImageFilter : public itk::UnaryGeneratorImageFilter<TInputImage, TOutputImage>

Computes the sine of each pixel.

The computations are performed using std::sin(x).

ITK Sphinx Examples:

See itk::SinImageFilter for additional documentation.