ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Filtering/CurvatureFlow/SmoothImageUsingMinMaxCurvatureFlow/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
*
* 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.
*
*=========================================================================*/
#include "itkImage.h"
#ifdef ENABLE_QUICKVIEW
# include "QuickView.h"
#endif
int
main(int argc, char * argv[])
{
if (argc < 2)
{
std::cerr << "Usage: " << argv[0];
std::cerr << " inputImage [iterations]" << std::endl;
return EXIT_FAILURE;
}
std::string inputFileName = argv[1];
int iterations = 5;
if (argc > 2)
{
std::stringstream ss(argv[2]);
ss >> iterations;
}
using PixelType = float;
constexpr unsigned int Dimension = 2;
using MinMaxCurvatureFlowImageFilterType = itk::MinMaxCurvatureFlowImageFilter<ImageType, ImageType>;
const auto input = itk::ReadImage<ImageType>(inputFileName);
MinMaxCurvatureFlowImageFilterType::Pointer minMaxCurvatureFlowImageFilter =
MinMaxCurvatureFlowImageFilterType::New();
minMaxCurvatureFlowImageFilter->SetInput(input);
minMaxCurvatureFlowImageFilter->SetNumberOfIterations(iterations);
minMaxCurvatureFlowImageFilter->SetTimeStep(0.125);
SubtractType::Pointer diff = SubtractType::New();
diff->SetInput1(input);
diff->SetInput2(minMaxCurvatureFlowImageFilter->GetOutput());
#ifdef ENABLE_QUICKVIEW
QuickView viewer;
viewer.AddImage(input, true, itksys::SystemTools::GetFilenameName(inputFileName));
std::stringstream desc;
desc << "MinMaxCurvatureFlow, iterations = " << iterations;
viewer.AddImage(minMaxCurvatureFlowImageFilter->GetOutput(), true, desc.str());
std::stringstream desc2;
desc2 << "Original - Median";
viewer.AddImage(diff->GetOutput(), true, desc2.str());
viewer.Visualize();
#endif
return EXIT_SUCCESS;
}
itk::MinMaxCurvatureFlowImageFilter
Denoise an image using min/max curvature flow.
Definition: itkMinMaxCurvatureFlowImageFilter.h:83
itkImageFileReader.h
itkImage.h
itkCastImageFilter.h
QuickView.h
QuickView::AddImage
void AddImage(TImage *, bool FlipVertical=true, std::string Description="")
itkMinMaxCurvatureFlowImageFilter.h
itkSubtractImageFilter.h
itk::SubtractImageFilter
Pixel-wise subtraction of two images.
Definition: itkSubtractImageFilter.h:68
QuickView
A convenient class to render itk images with vtk.
Definition: QuickView.h:111
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
QuickView::Visualize
void Visualize(bool interact=true)
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44