Skip to content

Example: Seeded region growing

Erik Smistad edited this page Jun 11, 2018 · 4 revisions

#include "FAST/Algorithms/SeededRegionGrowing/SeededRegionGrowing.hpp"
#include "FAST/Algorithms/SurfaceExtraction/SurfaceExtraction.hpp"
#include "FAST/Visualization/TriangleRenderer/TriangleRenderer.hpp"
#include "FAST/Visualization/SimpleWindow.hpp"

using namespace fast;

int main() {
    // Import CT image
    ImageFileImporter::pointer importer = ImageFileImporter::New();
    importer->setFilename(Config::getTestDataPath() + "CT/CT-Abdomen.mhd");

    // Perform region growing segmentation
    SeededRegionGrowing::pointer segmentation = SeededRegionGrowing::New();
    segmentation->setInputConnection(importer->getOutputPort());
    segmentation->addSeedPoint(223,282,387);
    segmentation->addSeedPoint(251,314,148);
    segmentation->setIntensityRange(150, 5000);

    // Extraction surface mesh from segmentation
    SurfaceExtraction::pointer extraction = SurfaceExtraction::New();
    extraction->setInputConnection(segmentation->getOutputPort());

    // Render and visualize the mesh
    TriangleRenderer::pointer surfaceRenderer = TriangleRenderer::New();
    surfaceRenderer->setInputConnection(extraction->getOutputPort());
    surfaceRenderer->enableRuntimeMeasurements();

	SimpleWindow::pointer window = SimpleWindow::New();
    window->addRenderer(surfaceRenderer);
#ifdef FAST_CONTINUOUS_INTEGRATION
	// This will automatically close the window after 5 seconds, used for CI testing
    window->setTimeout(5*1000);
#endif
    window->start();
}
Clone this wiki locally