He received the B.S. and M.S. degrees in both Computer Science and Mathematics from Utah State University, USA, in 2002 and 2005, respectively. In 2009, he received the Doctor of Engineering degree from Shinshu University, Japan, under the scholarship of Monbukagakusho. He was with Multimedia University from 2009 to 2010, and University of Malaya from 2010 to 2016. His research interests include multimedia signal processing, data hiding, multimedia perceptual encryption, joint encryption and data-hiding method, as well as their applications. He is a senior member of IEEE and a member of APSIPA.