Khalid M. Hosny was born in Zagazig, Egypt, in 1966. He received his B.Sc., M.Sc., and Ph.D. from Zagazig University, Egypt, in 1988, 1994, and 2000, respectively, and is currently a Professor of Information Technology, at the university’s Faculty of Computers and Informatics. From 1997 to 1999, he was a Visiting Scholar at the University of Michigan, Ann Arbor, and the University of Cincinnati, USA. He is a senior member of the ACM and IEEE. His research interests include image processing, pattern recognition, computer vision and multimedia security. Dr. Hosny has published 3 books and more than 70 papers in international journals, and is an editor and scientific reviewer for more than 35 international journals.

• A Survey On Chaos Based Image Encryption Techniques.- Chaotic Maps For Image Encryption: An Assessment Study.- Optical Cryptosystem Using Chaotic/Hyperchaotic System.- Secure Image Transmission Based On A Proposed Chaotic Maps.- A Chaotic Encryption Algorithm For Image Privacy Based On Two Pseudorandomly Enhanced Logistic Maps.- Improved Color Image Watermarking Using Logistic Maps And Quaternion Legendre-Fourier Moments.- Chaos-Based Gary Image Encryption Using Two Coupled Competition Type Maps.- An Effective Encryption Scheme Based On Chaotic Maps Applied To Digital Image.- Fpga Implementation Of Integer/Fractional Chaotic Systems.- Embedded Hardware Implementation for Image Security Using Chaotic Maps.