Comparative analysis of some selected generative adversarial network models for image augmentation: a case study of COVID-19 x-ray and CT images. - Muhammad Ubale Kiru; Bahari Belaton; Xinying Chew; Khaled Hatem Almotairi; Ahmad MohdAziz Hussein; Maryam Aminu (J. Intell. Fuzzy Syst., 2022)