Maojun Li (Corresponding author) received the B.S. degree from the Hunan University in 1988. He obtained the M.S. degree in 1998 and Ph.D. degree in 2003 from the Hunan University on the subject of control science and engineering. He is currently a professor and master student supervisor in Changsha University of Science and Technology. He is the author of more than 100 scientific papers in intelligent control and computer vision. His main research interests include intelligent control, intelligent calculation and image processing. He is the editor of Journal of Changsha University of Science and Technology (Natural Science) and director of Hunan Society of Automation. E-mail: limj@csust.edu.cn