Abstract：A new method for the fast discrimination of varieties of corm based on near-infrared spectroscopy using genetic algorithm and linear discriminant analysis (LDA) was proposed. First, data of NIS of 37 varieties of corn was collected, second, genetic algorithm used for choosing the feature band of spectrum, then PCA and LDA were used to extract features, and finally corn seeds were classified. The result showed that GA could remove noise band effectively and improve the generalization ability of LDA. A large number of redundant data was removed to simplify the computing, which resulted in the data dimension reduction from 2 075 to 233. For the 300 samples of test set one, the average correct recognition rate and average correct rejection rate attained 99.30% for both, and the average correct recognition rate of 73.33% varieties of corn attained for 100%. For the 175 samples of test set 2 (all of whose varieties had not been trained), the average correct recognition rate attained 99.65%. The run time is shorter and the correct rate is higher compared to the common method of PCA.
王徽蓉，李卫军*，刘扬阳，陈新亮，来疆亮 . 基于遗传算法与线性鉴别的近红外光谱玉米品种鉴别研究 [J]. 光谱学与光谱分析, 2011, 31(03): 669-672.
WANG Hui-rong, LI Wei-jun*, LIU Yang-yang, CHEN Xin-liang, LAI Jiang-liang . Study on Discrimination of Varieties of Corn Using Near-Infrared Spectroscopy Based on GA and LDA. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2011, 31(03): 669-672.
[1] YAN Yan-lu, ZHAO Long-lian, HAN Dong-hai, et al(严衍禄，赵龙莲，韩东海，等). Foundation and Application of Near-Infrared Spectroscopy Analysis(近红外光谱分析基础与应用). Beijing: China Light Industry Press(北京： 中国轻工业出版社), 2005. [2] LU Wan-zhen, YUAN Hong-fu, XU Guang-tong, et al(陆婉珍，袁洪福，徐广通，等). Modern Near Infrared Spectroscopy Analytical Technology(Second Edition)(现代近红外光谱分析技术，第2版). Beijing: China Petrochemical Press(北京： 中国石化出版社), 2007. [3] FANG Li-min, LIN Min(方利民，林 敏). Chinese Journal of Analytical Chemistry(分析化学), 2008, 36(6): 815. [4] HUANG Min, HE Yong, HUANG Ling-xia et al(黄 敏，何 勇，黄凌霞，等). Journal of Infrared and Millimeter Waves(红外与毫米波学报), 2006, 25(5): 342. [5] LIANG Liang, YANG Min-hua, LIU Zhi-xiao, et al(梁 亮，杨敏华，刘志霄，等). Laser & Infrared(激光与红外), 2009, 39(4): 407. [6] ZHU Shi-ping(祝诗平). Transactions of the Chinese Society of Agricultural Engineering(农业工程学报), 2008, 24(9): 126. [7] ZHU Shi-ping, WANG Yi-ming, ZHANG Xiao-chao, et al(祝诗平，王一鸣，张小超，等). Transactions of the Chinese Society of Agricultural Machinery(农业机械学报), 2004, 35(5): 152. [8] CHU Xiao-li, YUAN Hong-fu, LU Wan-zhen(褚小立，袁洪福，陆婉珍). Progress in Chemistry(化学进展), 2004, 16(4): 528. [9] YAN Yun-yang, GUO Zhi-bo, YANG Jing-yu(严云洋，郭志波，杨静宇). Journal of System Simulation(系统仿真学报), 2008, 20(7): 1740. [10] HUA Shun-gang, ZHOU Yu, LIU Ting(华顺刚，周 羽，刘 婷). Pattern Recognition and Artificial Intelligence(模式识别与人工智能), 2008, 21(2): 160.
