Corresponding author, E-mail address : kongfq@nuaa, edu. cn.Dr. Kong Fanqiang is currently a lecturer at the College of Astronautics, Nanjing University of Aeronautics and As- tronautics (NUAA), Nanjing, China. He received his Ph. D. degree in information and communication engineering from Xidian University, Xi'an, China, in 2008. His research interests focus on spectral image coding and image analysis, artificial intelligence, and pattern recognition. Mr. Guo Wenjun received his M.S. degree in communication and information system from NUAA, Nanjing, China, in 2016. His current research interests focus on hyperspectral remote sensing image processing and sparse representation. Dr. Shen Qiu is currently a lecturer at the College of Astronautics in NUAA, Nanjing, China. She received her Ph. D. degree in information and communication engineering from University of Science and Technology of China, He' fei, China, in 2009. Her research interests focus on artificial intelligence and pattern recognition. Ms. Wang Dandan received the M. S, degree in eommuni cation and information system from NUAA, Nanjing, Chi ha, in 2017. Her current research interests focus on hyper spectral remote sensing image processing and sparse repre sentation.