基于高光谱遥感和集成学习方法的冬小麦产量估测研究

费帅鹏,禹小龙,兰铭,李雷,夏先春,何中虎,肖永贵

Research on Winter Wheat Yield Estimation Based on Hyperspectral Remote Sensing and Ensemble Learning Method

FEI ShuaiPeng,YU XiaoLong,LAN Ming,LI Lei,XIA XianChun,HE ZhongHu,XIAO YongGui

表4 次级模型建模过程各模型系数平均值

Table 4 The average coefficients of each primary learner in the modeling of the secondary learner

模型 Model 正常灌溉处理 Full irrigation treatment 节水处理 Limited irrigation treatment 开花期 Flowering 灌浆前期 Early grain filling 灌浆中期 Mid grain filling 开花期 Flowering 灌浆前期 Early grain filling 灌浆中期 Mid grain filling ANN -4.53 0.43 -0.59 -4.10 -2.81 0.93 GP 0.24 0.26 -1.85 2.10 0.77 0.86 MLR 1.91 -0.19 4.51 -2.14 -0.14 -2.02 RF 0.84 -0.30 -7.30 -0.47 0.02 -0.37 RR 6.13 0.61 4.32 3.20 4.06 3.28 SVM -3.41 0.42 2.34 2.43 -0.56 -1.59