Automated lung segmentation from CT images of normal and COVID-19 pneumonia patients. - Faeze Gholamiankhah; Samaneh Mostafapour; Nouraddin Abdi Goushbolagh; Seyedjafar Shojaerazavi; Parvaneh Layegh; Seyyed Mohammad Tabatabaei; Hossein Arabi (CoRR, 2021)