Apply Sin Image Filter¶
Synopsis¶
Compute the sine of each pixel
Results¶
![Input image](../../../../_images/InputRescaled1.png)
Rescaled Input image [0, 255]¶
![Output image](../../../../_images/OutputBaselineRescaled1.png)
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>;
using ReaderType = itk::ImageFileReader<ImageType>;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
using FilterType = itk::SinImageFilter<ImageType, ImageType>;
FilterType::Pointer filter = FilterType::New();
filter->SetInput(reader->GetOutput());
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(filter->GetOutput());
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
Classes demonstrated¶
-
template<typename
TInputImage
, typenameTOutputImage
>
classSinImageFilter
: public itk::UnaryGeneratorImageFilter<TInputImage, TOutputImage> Computes the sine of each pixel.
The computations are performed using std::sin(x).
- ITK Sphinx Examples: