Liegang Xia received a B.S. degree in information science from Harbin Engineering University, Harbin, China, in 2008, an M.S. degree in computer science from the Zhejiang University of Technology, Hangzhou, China, in 2011, and a Ph.D. degree in cartography and geographical information systems from the Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, China, in 2014. His current research focuses on remote sensing, image intelligent understanding, and information automatic extraction. He is currently a Lecturer with the College of Computer Science and Technology, Zhejiang University of Technology.