Nan Ren is a graduate student in School of Computer Science, Beijing University of Posts and Telecommunications, China. She received her bachelor's degree in computer science and technology from University of Science and Technology Beijing, China in 2014. Her research interest is mainly image processing and visual tracking. E-mail: junpingdu@ 126.com,Junping Du is now a full professor and PhD supervisor in School of Computer Sci- ence and Technology, Beijing University of Posts and Telecommunications, China. Her research interests include artificial intelli- gence, image processing and pattern recog- nition. Suguo Zhu received her MS degree in com- puter science and technology from Guang- dong University of Technology, China in 2012. She is now a PhD candidate in com- puter science of Beijing University of Posts and Telecommunications, China. Her re- search interests include image processing, computer vision and visual tracking. Linghui Li received her BS degree in com- puter science and technology from Xi'an University of Posts and Telecommunica- tions, China. She is now studying for a mas- ter's degree in computer science and tech- nology from Beijing University of Posts and Telecommunications, China. Her re- search interests include image processing and computer vision. Dan Fan received the BS degree in com- puter science and technology from Shan- dong University, China. He is currently pursuing the master's degree in Beijing University of Posts and Telecommunications, China. His current research interests include image processing and computer vision. JangMyung Lee received the BS and MS degrees in electronic engineering from Seoul National University, Korea in 1980 and 1982, respectively, and the PhD degree in computer engineering from the Univer- sity of Southern California, Los Angeles, USA in 1990. Since 1992, he has been a professor with Pusan National University,Korea. He is a research group leader for Logistics and IT. His cur- rent research interests include intelligent robotic systems,