Figure 1 | Scientific Reports

Figure 1

From: Development and prospective validation of COVID-19 chest X-ray screening model for patients attending emergency departments

Figure 1

Dataset Characteristics. Entire dataset comprised of Non-COVID (n = 284,904) and COVID-19 (n = 29,138) cohorts. Images in the non-COVID cohort (collected between February 2008 and December 2019) were used to pre-train all classifiers and generate Projection and Body Part classifiers, as well as the Lung and Heart Segmentation model. Images in the COVID-19 cohort (collected between March 2020 and September 2020) have undergone rigorous Quality Control process and were used to train and test the COVID-19 Ensemble.

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