基于小波分析的水稻籽粒直链淀粉含量高光谱预测

张骁, 闫岩, 王文辉, 郑恒彪, 姚霞, 朱艳, 程涛

Application of continuous wavelet analysis to laboratory reflectance spectra for the prediction of grain amylose content in rice

ZHANG Xiao, YAN Yan, WANG Wen-Hui, ZHENG Heng-Biao, YAO Xia, ZHU Yan, CHENG Tao

表5 水稻灌浆后各生育时期米粉小波系数与籽粒直链淀粉含量的相关性

Table 5 Coefficient of determination (R2) values for the relationships of wavelet features determined from dried grain powder spectra with GAC at post-filling stages

生育时期 Growth stage 小波系数 Wavelet feature 决定系数 R2 蜡熟期 WF1380,3 0.62** Dough ripening stage WF2037,6 0.59** 黄熟期 WF1812,3 0.43** Yellow ripening stage WF1550,3 0.36** 完熟期 WF1600,3 0.45** Full ripening stage WF1375,3 0.30*