ITK  5.2.0
Insight Toolkit
Examples/Filtering/LaplacianSharpeningImageFilter.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
*
* http://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 < 3)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImage outputImage " << std::endl;
return EXIT_FAILURE;
}
const char * inputFilename = argv[1];
const char * outputFilename = argv[2];
using CharPixelType = unsigned char;
constexpr unsigned int Dimension = 2;
using CharImageType = itk::Image<CharPixelType, Dimension>;
using RescaleFilter =
using LaplacianSharpeningFilter =
// Setting the IO
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
RescaleFilter::Pointer rescale = RescaleFilter::New();
// Setting the ITK pipeline filter
LaplacianSharpeningFilter::Pointer lapFilter =
LaplacianSharpeningFilter::New();
reader->SetFileName(inputFilename);
writer->SetFileName(outputFilename);
// Sharpen with the laplacian
lapFilter->SetInput(reader->GetOutput());
// Rescale and cast to unsigned char
rescale->SetInput(lapFilter->GetOutput());
writer->SetInput(rescale->GetOutput());
rescale->SetOutputMinimum(0);
rescale->SetOutputMaximum(255);
try
{
writer->Update();
}
catch (const itk::ExceptionObject & err)
{
std::cout << "ExceptionObject caught !" << std::endl;
std::cout << err << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itk::LaplacianSharpeningImageFilter
This filter sharpens an image using a Laplacian. LaplacianSharpening highlights regions of rapid inte...
Definition: itkLaplacianSharpeningImageFilter.h:53
itkImageFileReader.h
itk::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itkRescaleIntensityImageFilter.h
itkImageFileWriter.h
itk::RescaleIntensityImageFilter
Applies a linear transformation to the intensity levels of the input Image.
Definition: itkRescaleIntensityImageFilter.h:154
itkLaplacianSharpeningImageFilter.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44