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2 正常灌溉处理下光谱指数与产量相关性分析和光谱指数遗传力

Table 2 Correlation analysis of spectral index and grain yield under full irrigation treatment, spectral index heritability

光谱指数 Spectral index 开花期Flowering 灌浆前期Early grain filling 灌浆中期Mid grain filling |r| H2 |r| H2 |r| H2 NDVI 0.50*** 0.83 0.53*** 0.75 0.66*** 0.74 MCARI 0.61*** 0.85 0.65*** 0.85 0.69*** 0.82 NDRE 0.71*** 0.81 0.65*** 0.79 0.72*** 0.78 GNDVI 0.68*** 0.82 0.63*** 0.78 0.71*** 0.77 MSR 0.65*** 0.80 0.62*** 0.76 0.70*** 0.76 NDRSR 0.72*** 0.82 0.67*** 0.79 0.73*** 0.79 MTVI 0.59*** 0.77 0.60*** 0.73 0.63*** 0.75 MTCI2 0.63*** 0.83 0.59*** 0.80 0.68*** 0.80 MNDVI 0.62*** 0.83 0.63*** 0.76 0.69*** 0.83 RDVI 0.60*** 0.77 0.62*** 0.77 0.66*** 0.78 VDI 0.45*** 0.84 0.43*** 0.80 0.62*** 0.83 CI 0.61*** 0.82 0.59*** 0.79 0.64*** 0.81 VREI 0.69*** 0.81 0.65*** 0.75 0.72*** 0.76 ARVI 0.52*** 0.79 0.54*** 0.73 0.65*** 0.73 NDMI 0.53*** 0.80 0.56*** 0.63 0.61*** 0.77