1. School of Telecommunication and Information Engineering, Xi’an University of Posts and Telecommunications, Xi’an, Shaanxi, China
2. Ministry of Science and Technology, Pudong Development Bank, Xi’an, Shaanxi, China
3. Key Laboratory of Spectral Imaging Technology CAS, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an, Shaanxi, China
4. College of Transportation Engineering, Chang’an University, Xi’an, Shaanxi, China