Zhu Juanjuan was born in 1980. She received the B. E. degree and the M. E. degree from the Electromechanical Engineering Department, Xidian University, in 2002 and 2005, respectively. Currently she is working toward the doctor's degree in circuit and system. Her research feature is video processing and computer vision. E-mail:zhujoo@126.com Guo Baolong received the B. S., the M. S., and Ph. D. degrees from Xi.dian University in 1984, 1988, and 1995, respectively, all in communication and electronic systems. He is currently a full professor of pattern recognition and intelligent systems, at Xidian University. His research features are neural networks, pattern recognition, intelligent information processing, image processing, and communication.