Jun Liu received his B.S. degree from the China University of Petroleum, Qingdao, China, in 2012, and his Ph.D. degree from Wuhan University, Wuhan, China, in 2018. He is currently an Associate Professor at the State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University. His research interests include remote sensing image processing, image retrieval, and pattern recognition.