1. School of Electronics and Information Engineering, Xi’an Jiaotong University, Xi’an, China
2. Department of Remote Sensing, College of Geomatics, Xi’an University of Science and Technology, Xi’an, China
3. Key Laboratory of Computational Optical Imaging Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
4. Hyperspectral Computing Laboratory, Department of Technology of Computers and Communications, Escuela Politécnica, University of Extremadura, Cáceres, Spain
5. School of Mathematical Sciences, Research Center for Image and Vision Computing, University of Electronic Science and Technology of China, Chengdu, China