Fu Huiytum, received the B.S. degree in computer science from Xi'an University of Posts and Telecommunications, China in 2008. He is currently working towards the Ph.D. degree with the Beijing Key Laboratory of Intelligent Telecommunications Software and Multimedia, Beijing University of Posts and Tel- ecommunications, China. His research interests include multi- media system and network, computer vision. Email: fu hui yuan@yahoo.com.cn Ma Huadong, received the B.S. degree in mathematics from Henan Normal University, China, in 1984, the M.S. degree in computer science from Shenyang Institute of Computing Technology, Chi- nese Academy of Sciences (CAS) in 1990 and the Ph.D. degree in computer science from Institute of Computing Technology, CAS, in 1995. He is a professor at the School of Computer Science, Beijing University of Posts and Telecommunications, China. His research interests include multimedia networks and systems, In- ternet of Things and sensor networks. He has published over 100 papers in these fields. Email: mhd@bupt.edu.cn Liu Liang, received the B.S. degree in computer science from South China University of Technology, China in 2004 and the Ph.D. degree in computer science from Beijing University of Posts and Telecommunications, China in 2009. He is an asso- ciate professor at the School of Computer Science, Beijing U- niversity of Posts and Telecommunications, China. His re- search interests include Internet of Things and wireless sensor networks, camera sensor networks and information theory. Email: liangliu82 @ grnail.com