Faculty of Geomatics, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China
Geospatial Research Innovation Development, School of Built and Environment, Faculty of Art and Design,University of New South Wales, Australia
National-Local Joint Engineering Research Center of Technologies and Applications for National Geographic State Monitoring, Lanzhou 730070, Gansu, China
Gansu Provincial Engineering Laboratory for National Geographic State Monitoring, Lanzhou 730070, China