Deep Learning-Based Assessment of Cerebral Microbleeds in COVID-19

Publikation: Bidrag til bog/antologi/rapportKonferencebidrag i proceedingsForskningfagfællebedømt

Cerebral Microbleeds (CMBs), typically captured as hypointensities from susceptibility-weighted imaging (SWI), are particularly important for the study of dementia, cerebrovascular disease, and normal aging. Recent studies on COVID-19 have shown an increase in CMBs of coronavirus cases. Automatic detection of CMBs is challenging due to the small size and amount of CMBs making the classes highly imbalanced, lack of publicly available annotated data, and similarity with CMB mimics such as calcifications, irons, and veins. Hence, the existing deep learning methods are mostly trained on very limited research data and fail to generalize to unseen data with high variability and cannot be used in clinical setups. To this end, we propose an efficient 3D deep learning framework that is actively trained on multi-domain data. Two public datasets assigned for normal aging, stroke, and Alzheimer's disease analysis as well as an in-house dataset for COVID-19 assessment are used to train and evaluate the models. The obtained results show that the proposed method is robust to low-resolution images and achieves 78% recall and 80% precision on the entire test set with an average false positive of 1.6 per scan.

Titel2023 IEEE International Symposium on Biomedical Imaging, ISBI 2023
Antal sider4
ForlagIEEE Computer Society Press
ISBN (Elektronisk)9781665473583
StatusUdgivet - 2023
Begivenhed20th IEEE International Symposium on Biomedical Imaging, ISBI 2023 - Cartagena, Colombia
Varighed: 18 apr. 202321 apr. 2023


Konference20th IEEE International Symposium on Biomedical Imaging, ISBI 2023
SponsorFlywheel, Kitware, Siemens Healthineers, UCLouvain
NavnProceedings - International Symposium on Biomedical Imaging

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