ITK  6.0.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageIntensity/ComputeSigmoid/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc != 7)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName>";
std::cerr << " <OutputMin> <OutputMax> <Alpha> <Beta>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
constexpr unsigned int Dimension = 2;
using PixelType = unsigned char;
using ScalarType = float;
const auto outputMinimum = static_cast<PixelType>(atoi(argv[3]));
const auto outputMaximum = static_cast<PixelType>(atoi(argv[4]));
const ScalarType alpha = std::stod(argv[5]);
const ScalarType beta = std::stod(argv[6]);
const auto input = itk::ReadImage<ImageType>(inputFileName);
auto sigmoidFilter = FilterType::New();
sigmoidFilter->SetInput(input);
sigmoidFilter->SetOutputMinimum(outputMinimum);
sigmoidFilter->SetOutputMaximum(outputMaximum);
sigmoidFilter->SetAlpha(alpha);
sigmoidFilter->SetBeta(beta);
try
{
itk::WriteImage(sigmoidFilter->GetOutput(), outputFileName);
}
catch (const itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itkSigmoidImageFilter.h
itkImageFileReader.h
itk::SigmoidImageFilter
Computes the sigmoid function pixel-wise.
Definition: itkSigmoidImageFilter.h:144
itkImageFileWriter.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
New
static Pointer New()
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44
itk::WriteImage
ITK_TEMPLATE_EXPORT void WriteImage(TImagePointer &&image, const std::string &filename, bool compress=false)
Definition: itkImageFileWriter.h:256