Fig. 4: Examples of incorrect classifications by human readers and the AI system.
From: Development and evaluation of an artificial intelligence system for COVID-19 diagnosis

a CT image of a patient with COVID-19 that all five readers misclassified as CAP. b CT image of a patient with influenza that all five readers misclassified it to COVID-19. c CT image of a patient with COVID-19 that was misdiagnosed as CAP by AI. d CT image of a patient with CAP that AI diagnosed incorrectly as COVID-19. The blue arrows point out some infectious lesions.