Li Ronghua was born in 1966. He is currently working toward the Ph. D. degree at the Intelligent Information and Signal Processing Group led by Prof. Xie Shengli. His research interests include intelligent information processing and blind signal processing. Zhou Guoxu was born in 1977. He is currently working toward the Ph. D. degree at the Intelligent Information and Signal Processing Group led by Prof. Xie Shengli. His research interests include machine learning, intelligent information processing, and blind signal processing. Yang Zuyuan was born in 1982. He is currently working toward the Ph.D. degree at the Intelligent Information and Signal Processing Group led by Prof. Xie Shengli. His research interests include information security, blind signal processing, and machine learning. Xie Shengli was born in 1958. He received the M. S. degree in mathematics from Central China Normal University, Wuhan in 1992 and the Ph. D. degree in control theory and applications from South China University of Technology, Guangzhou, in 1997. He is presently a full professor with the South China University of Technology and a vice head of the Institute of Automation and Radio Engineering. His research interests include automatic control and blind signal processing. He is the author and coauthor of two books and more than 70 scientific articles in journals and conference proceedings. E-mail: adshlxie@scut.edu.cn.