F. Khellah received his Ph.D. degree from the University of Waterloo, Waterloo, ON, Canada in 2001. He joined the Canada Center for Remote Sensing (CCRS) as a Research Assistant where he worked on developing algorithms for synthetic aperture radar (SAR) for search and rescue applications. Presently, he is an Assistant Professor in the Computer and Information Science Department, Prince Sultan University, Riyadh, Saudi Arabia.