The Integration of GPS/BDS Real-Time Kinematic Positioning and Visual-Inertial Odometry Based on Smartphones. - Zun Niu; Fugui Guo; Qiangqiang Shuai; Guangchen Li; Bocheng Zhu (ISPRS Int. J. Geo Inf., 2021)

An Algorithm to Assist the Robust Filter for Tightly Coupled RTK/INS Navigation System. - Zun Niu; Guangchen Li; Fugui Guo; Qiangqiang Shuai; Bocheng Zhu (Remote. Sens., 2022)