Yongyang Xu received a B.S. degree in computer science and technology and a Ph.D. degree in geographic information engineering from China University of Geosciences (Wuhan), Wuhan, China, in 2014 and 2019, respectively. He is currently an Associate Professor with the School of Geography and Information Engineer ing, China University of Geosciences (Wuhan). His main interests include deep learning and vector data rendering and processing.