1. School of Information Science and Technology, Hunan Institute of Science and Technology, Yueyang, China
2. School of Computer Science and the Hubei Key Laboratory of Intelligent Geo-Information Processing, China University of Geosciences, Wuhan, China
3. Department of Technology of Computers and Communications, Escuela Politecnica, Hyperspectral Computing Laboratory, University of Extremadura, Caceres, Spain