Using AI to identify COVID-19 lesions in lung CT scans
Mike McNamara
A busy hospital may perform many lung CTs per day, potentially affecting the service levels that radiology teams are able to deliver. By prescreening the CT scans of COVID-19 patients, an accurate AI model can quickly pinpoint critical results and enable care teams to zero in on patients who are at high risk for severe complications.
Model tuning, testing, and ongoing training are necessary to create and sustain an optimized artificial intelligence model. Careful attention to traceability, reproducibility, and patient privacy are essential. NetApp and SFL Scientific have developed technology for high-performing COVID-19 lung segmentation that uses a state-of-the-art model and transfer learning. The following image compares human annotations and model prediction of lung lesions in a COVID-19 patient. Our methodology delivers an accurate, trained model in a short time and supports ongoing training and optimization with complete traceability.
Running on a fast and efficient NetApp® storage infrastructure, the model takes an average of just 6 seconds to identify the COVID lesions on each patient scan, which is composed of hundreds of images. This speed is on par with other advanced models and is much faster than a typical human analysis of a chest CT.
Additional AI opportunities
The methodology that NetApp and SFL Scientific used to create a COVID-19 lung segmentation model can be generalized and applied to almost any image segmentation task. With access to the appropriate data, we can help you create AI segmentation models for any organ system, encompassing a wide range of imaging modalities, from simple 2D x-rays to 3D CT and MRI scans to ultrasound. Similar methods can also be applied to digital pathology.Looking beyond medical imaging, the same approach—combining transfer learning, experimentation, iterative fine tuning, intelligent data management, and production deployment with regular retraining—can be applied to a wide range of computer vision, natural language processing, and other use cases in healthcare and other industries. NetApp and SFL Scientific can help you get your AI project to production more quickly with fewer missteps.
To learn more, read the white paper Deep learning to identify COVID-19 lesions in lung CT scans and watch the on-demand video COVID-19 lung CT lesion segmentation.
COVID-19 Lung CT Lesion Segmentation and Image Pattern Recognition with DL
Learn about a deep learning system that can automatically identify and segment lesions in lung CT images and could reduce the workload of physicians while helping ease the burden on the health-care system during the unprecedented pandemic.
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Mike McNamara
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