Xiaoying Chen, Xiuxiu Wang, Xidian University, China; Chubing Guo, CETC Key Laboratory of Data Link Technology, China; Chao Chen, IBM Research, United States; Shuiping Gou, Xidian University, China; Tao Yu, Laboratory of Spectral Imaging Technique,Xi’an Institute of Optics and Precision,Chinese Academy Sciences; CAS Key Laboratory of Spectral Imaging Technology, China; Changzhe Jiao, Xidian University, China