Er Li received the B.S. degree in automation from Wuhan University, Wuhan, China, in 2007, and the Ph.D. degree in computer science from the Institute of Automation, Chinese Academy of Sciences, Beijing, China, 2012. He was a Postdoctoral Researcher with the Institute of Software, Chinese Academy of Sciences and Arizona State University, Phoenix, AZ, USA. He is currently working as an assistant professor with the Institute of Automation, Chinese Academy of Sciences. His research include image analysis, computer vision, and computer graphics.