The Utility Research on NIR Diffuse Reflectance and Transmittance Measurements Mode in Authenticity Identification of Maize Population Samples
TANG Xing-tian1, WU Wen-jin1, GUO Ting-ting2, JIA Shi-qiang1, YAN Yan-lu1, AN Dong1*
1. College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China 2. National Maize Improvement Center of China, China Agricultural University, Beijing 100193, China
Abstract：In the present paper, the spectral measurements of maize population samples were researched so as to identify their authenticity. Diffuse reflectance and transmittance measure modes were used to collect spectral data of 8 maize varieties. DPLS-DA was used to compress pretreated data. The recognition models of eight maize varieties were built based on biomimetic pattern recognition (BPR). The average correct recognition rate and average correct rejection rate of identification models built by two modes were calculated. The average recognition rate and rejection rate of diffuse reflectance method reached 94.50% and 96.71%, and those of transmittance method reached 98.5% and 98.00%, respectively. Both of them met the requirements of maize preliminary screening., and the recognition rate and rejection rate of transmittance method are higher than diffuse reflectance method by 4% and 1.3% respectively.
唐兴田1, 邬文锦1，郭婷婷2，贾仕强1，严衍禄1，安 冬1* . 近红外光谱漫反射和漫透射测量方法在玉米品种真实性鉴定中的应用研究 [J]. 光谱学与光谱分析, 2012, 32(06): 1531-1534.
TANG Xing-tian1, WU Wen-jin1, GUO Ting-ting2, JIA Shi-qiang1, YAN Yan-lu1, AN Dong1* . The Utility Research on NIR Diffuse Reflectance and Transmittance Measurements Mode in Authenticity Identification of Maize Population Samples. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2012, 32(06): 1531-1534.
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