Yuenan LiYuenan Li received the B.Eng. degree and M.Eng. degree in Automatic Test and Control, and the Ph.D. degree in Information and Communication Engineering, all from Harbin Institute of Technology (HIT), P. R. China, in 2004, 2006 and 2010, respectively.He is currently a lecturer at the School of Electronic and Information Engineering, Tianjin University, P. R. China. His research interests include video indexing and retrieval, multimedia signal processing, and multimedia security. Read More Read Less