基于高光谱和激光雷达遥感的水稻产量监测研究

李朋磊,张骁,王文辉,郑恒彪,姚霞,朱艳,曹卫星,程涛

Assessment of Terrestrial Laser Scanning and Hyperspectral Remote Sensing for the Estimation of Rice Grain Yield

LI PengLei,ZHANG Xiao,WANG WenHui,ZHENG HengBiao,YAO Xia,ZHU Yan,CAO WeiXing,CHENG Tao

表6 光谱数据产量模型应用于不同数据集得到的RMSE与RRMSE值

Table 6 Accuracy assessments of RMSE(t·hm-2) and RRMSE(%) values for the estimation of yield in different datasets based on hyperspectral models

模型 Models 如皋Rugao 兴化Xinghua 抽穗期Heading 灌浆前期Early filling 灌浆后期Late filling 抽穗期Heading 灌浆前期Early filling 灌浆后期Late filling RMSE RRMSE RMSE RRMSE RMSE RRMSE RMSE RRMSE RMSE RRMSE RMSE RRMSE M11 (VI & LR) 2.97 31.70 2.01 21.05 1.91 20.01 1.84 17.45 1.70 16.14 2.04 19.31 M2 (VI & RF) 3.07 32.20 2.18 22.90 2.16 22.65 2.14 20.30 3.04 28.84 2.25 21.30 M3 (WF & LR) 1.91 20.04 1.84 19.33 1.67 17.54 1.69 16.02 1.50 14.29 1.42 13.45 M4 (WF & RF) 3.04 31.92 2.37 24.88 2.10 21.10 2.11 20.00 2.05 19.42 1.93 18.29