Team (IMAGE) Virginia Tech Caption From left to right: Arnab K. Paul, second author and Ph.D. candidate in the Department of Computer Science; Ali Butt, professor of computer science; and first author Bharti Wadhwa, Ph.D. candidate in the Department of Computer Science. Credit Virginia Tech Usage Restrictions Credit Virginia Tech License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.