[1] [1] DING Gen-sheng, ZHANG Qing-ming, BA Jin-sha. Chinese Tobacco Science, 2011, 32(4): 14.

[2] [2] YAN Ke-yu, ZHAO Ming-qin. Tobacco Raw Material. Beijing: Science Press, 2008. 372.

[3] [3] YU Chunxia, MA Xiang, ZHANG Yehui, et al. Spectroscopy and Spectral Analysis, 2011, 31(4): 924.

[4] [4] Ni Lijun, Zhang Liguo, Xie Juan, et al. Analytica Chimica Acta, 2009, 633(1): 53.

[5] [5] ZHANG Jianping, CHEN Jianghua, SHU Ruxin, et al. Acta Tabacaria Sinica, 2007, 13(5): 1.

[6] [6] Bierwirth P, Huston D, Blewett R. Economic Geology, 2002, 97: 819.

[7] [7] Yu Keqiang, Zhao Yanru, Li Xiaoli. Computers and Electronics in Agriculture, 2014, 103: 1.

[8] [8] Gaia VaglioLaurin, Qi Chen, Jeremy A Lindsell. ISPRS Journal of Photogrammetry and Remote Sensing, 2014, 89: 49.

[9] [9] HONG Tian-sheng, LIZhen, WU Chun-yin. Transactions of the CSAE, 2007, 23(11): 280.

[10] [10] Noomen M F, Skidmore A K, Van der Meer F D. Proceedings of 3rd EARSeL Workshop on Imaging Spectroscopy, 2003. 252.

[11] [11] YAN Yan-lu, ZHAO Long-lian, HAN Dong-hai, et al. Foundation and Application of NIR Spectra Analysis. Beijing: China Light Industry Press, January, 2005.

[12] [12] WEN Ya-dong, WANG Yi, WANG Neng-ru. Acta Tabacaria Sinica, 2009, 15(5).

[13] [13] LI Guo-zheng, WANG Meng, ZENG Hua-jun, trans. An Introduction to Support Vector Machines and Other Kernel-based Learning Methods. Beijing: Electronics Industry Press, 2004.

[14] [14] CarlottaFerrari, Giorgia Foca, Alessandro Ulrici. Analytica Chimica Acta, 2013, 802: 29.

[15] [15] Piotr Baranowski, Wojciech Mazurek, Joanna Pastuszka-Wo′zniak. Postharvest Biology and Technology, 2013 86: 249.