1. Beijing Key Laboratory of Intelligent Processing for Building Big Data, Beijing University of Civil Engineering and Architecture, Beijing, China
2. CNPC Managers Training Institute, Beijing, China
3. Beijing Engineering Research Center of Monitoring for Construction Safety, Beijing University of Civil Engineering and Architecture, Beijing, China
4. School of Information Engineering, Ningxia University, Yinchuan, Ningxia, China
5. Institute of Mapping and Urban Spatial Information, Beijing University of Civil Engineering & Architecture, Beijing, China
6. Beijing Capital Highway Development Group Co.Ltd, Beijing, China