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. 2021 Jan;9(2):111. doi: 10.21037/atm-20-5328

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2021 Annals of Translational Medicine. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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Graphical examples for lesion classification on NCP patients from the external validation set. The numbers above each CT image patch represent the predicted probabilities of being NCP by the Plain scheme (orange) and the Trinary scheme (purple), respectively. (A) presents 4 detected lesions in the first category (20 NCP patients from hospital 1–3). On the 4 non-typical NCP lesions, the Plain scheme gave much higher probability than the Trinary scheme did. (B) presents 4 detected lesions on the second category (37 NCP patients from hospital 4–8). The top left lesion is a false positive. CT, computed tomography; NCP, novel coronavirus pneumonia.