M. Hassaballah received a B.Sc. degree in Mathematics in 1997 and M.Sc. degree in Computer Science in 2003, all from South Valley University, Egypt. In April 2008, he joined the lab of Intelligence Communication, Department of Electrical and Electronic Engineering and Computer Science, Ehime University, Japan as a PhD student, where he received a Doctor of Engineering (D. Eng.) in Computer Science on Sep. 2011. He is currently an associate professor of Computer Science with Department of Computer Science, Faculty of Computers and Information, South Valley University, Luxor, Egypt. He served as reviewer for several Journals such as: IEEE Transactions on Fuzzy Systems, IEEE Transactions on Parallel and Distributed Systems, Pattern Recognition, Pattern Recognition Letters, Egyptian Informatics Journal, IET Image Processing, IET Computer Vision, IET Biometrics, Journal of Real-Time Image Processing, The Computer Journal, Journal of Electronic Imaging, and Optical Engineering. His research interests include: feature extraction, object detection/recognition, face detection, content-based image retrieval, similarity measures, image processing, computer vision, and machine learning.