Hui Gao, male, was born in Henan, P.R. China, in 1983, . Member of CCF. He received his B.E. degree from Xidian University, Xian, China, in 2006, and M.Sc. degree from Henan University of Technology, Zhengzhou, China, in 2009. Now, he is currently pursuing his Ph.D. degree at Henan University of Technology, China. His research interests are computer vision and pattern recognition.