Department of Information Technology;
Department of Computer Science and Engineering;
LBEF Campus;
Statistics and Operations Research Department of Science Saud University of Saudi Arabia;
Operations Research Department of Graduate Studies for Statistical Research University;
Wireless Intelligent Networks Center(WINC) of Engineering and Applied Sciences University;
COVID-19 classification; class activation maps(CAMs)visualization; finetuning; stacked ensembles; automated diagnosis; deep learning;