Weiqi Luo received his undergraduate degree in Applied Mathematics from Shantou University, Shantou, China, in 2003, and received his PhD degree in computer science from Sun Yat-Sen University, Guangzhou, China, in 2008. From Feb. 2007 to Mar. 2008, he visited the Dept. of ECE in the University of Maryland, College Park, MD, USA. Following a two year post-doctoral position in Guangdong Key Lab of Information Security and Technology, he joined the School of Software in Sun Yat-Sen University in 2010. He is currently an associate professor at shcool of Software in Sun Yat-Sen University, and his research interests include digital multimedia forensics, steganography and steganalysis.