ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Filtering/LabelMap/KeepBinaryRegionsThatMeetSpecific/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.
*
*=========================================================================*/
using ImageType = itk::Image<unsigned char, 2>;
void
CreateImage(ImageType::Pointer image1, ImageType::Pointer image2);
int
main(int, char *[])
{
ImageType::Pointer binaryImage = ImageType::New();
ImageType::Pointer featureImage = ImageType::New();
CreateImage(binaryImage, featureImage);
BinaryOpeningType::Pointer opening = BinaryOpeningType::New();
opening->SetInput(binaryImage);
opening->SetFeatureImage(featureImage);
opening->SetBackgroundValue(0);
opening->SetForegroundValue(255);
opening->SetLambda(150);
opening->SetAttribute(BinaryOpeningType::LabelObjectType::MEAN);
opening->Update();
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName("input.mhd");
writer->SetInput(featureImage);
writer->Update();
writer->SetFileName("output.mhd");
writer->SetInput(opening->GetOutput());
writer->Update();
return EXIT_SUCCESS;
}
void
CreateImage(ImageType::Pointer image1, ImageType::Pointer image2)
{
// Create an image with 2 connected components
start[0] = 0;
start[1] = 0;
size[0] = 200;
size[1] = 200;
region.SetSize(size);
region.SetIndex(start);
image1->SetRegions(region);
image1->Allocate();
image1->FillBuffer(0);
image2->SetRegions(region);
image2->Allocate();
image2->FillBuffer(0);
// Make a square
for (unsigned int r = 20; r < 80; r++)
{
for (unsigned int c = 30; c < 100; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image1->SetPixel(pixelIndex, 255);
image2->SetPixel(pixelIndex, 100);
}
}
// Make another square
for (unsigned int r = 100; r < 130; r++)
{
for (unsigned int c = 115; c < 160; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image1->SetPixel(pixelIndex, 255);
image2->SetPixel(pixelIndex, 200);
}
}
}
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itk::BinaryStatisticsOpeningImageFilter
Remove objects based on the value of their Statistics attribute.
Definition: itkBinaryStatisticsOpeningImageFilter.h:50
itkImageFileWriter.h
itk::Size::SetSize
void SetSize(const SizeValueType val[VDimension])
Definition: itkSize.h:179
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itkBinaryStatisticsOpeningImageFilter.h