1. School of Mathematical Sciences, University of Electronic Science and Technology of China, Chengdu, China
2. Institute of Methodologies for Environmental Analysis, Tito Scalo, Italy
3. Computer Science, Complutense University of Madrid, Madrid, Spain
4. Department of Electrical Engineering and Information Technology, University Federico II, Naples, Italy
5. School of Geodesy and Geomatics, Wuhan University, Wuhan, China
6. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, China
7. University of Grenoble Alpes, Grenoble, France
8. Department of Technology of Computers and Communications, Escuela Politécnica, University of Extremadura, Cáceres, Spain