Professor  Bangjun Lei, Dr. Guangzhu Xu,   and Dr. Ming Feng are with The Institute of Intelligent Vision and Image Information, China Three Gorges University, China. Professor Yaobin Zou is an associate professor at China Three Gorges University. Dr. Ferdinand van der Heijden, Ph.D., is on the faculty of the Department of Signals and Systems, University of Twente, Netherlands. Professor Dick de Ridder is Professor at the Bioinformatics lab at Wageningen University, Netherlands. Professor David M. J. Tax, is a researcher with the Pattern Recognition laboratory, Delft University of Technology.