Kumarasinghe, H., S. Kolonne, C. Fernando, and D. Meedeniya. “U-Net Based Chest X-Ray Segmentation With Ensemble Classification for Covid-19 and Pneumonia”. International Journal of Online and Biomedical Engineering (iJOE), vol. 18, no. 07, June 2022, pp. pp. 161-175, doi:10.3991/ijoe.v18i07.30807.