Shen Yan received his B.S. in system engineering from National University of Defense Technology (NUDT), Changsha, China in 2016. He then received his M.S. in system engineering from National University of Defense Technology, Changsha, China in 2018. He is currently pursuing a Ph.D. in system engineering from National University of Defense Technology. His current research interest focuses on image-based 3D reconstruction and visual localization.