1. Departamento de Ingeniería Civil, University of Alicante, Alicante, Spain
2. Institute of Remote Sensing and Geographic Information System, School of Earth and Space Science, Peking University, Beijing, China
3. Institute for Computer Research (IUII), University of Alicante, Alicante, Spain
4. College of Geological Engineering and Geomatics, Chang’an University, Xi’an, China
5. School of Civil Engineering, Lanzhou University of Technology, Lanzhou, China
6. Land Satellite Remote Sensing Application Center (LASAC), Ministry of Natural Resources of P.R. China, Beijing, China
7. The First Topographic Surveying Brigade of Ministry of Natural Resources of the People’s Republic of China, Xi’an, China
8. Sixense, Departamento Satélite, L’Hospitalet de Llobregat, Barcelona, Spain