1. Department of Computer Science, Harbin Institute of Technology, Shenzhen, China
2. School of Electronic and Information Engineering, Soochow University, Suzhou, China
3. Department of Computer Science and Systems, University of Murcia, Murcia, Spain
4. Division of Geoinformatics, School of Architecture and the Built Environment, KTH Royal Institute of Technology, Stockholm, Sweden
5. Department of Technology of Computers and Communications, Escuela Politécnica, Hyperspectral Computing Laboratory, University of Extremadura, Cáceres, Spain