基于无人机遥感图像的苎麻产量估测研究

付虹雨, 崔国贤, 李绪孟, 佘玮, 崔丹丹, 赵亮, 苏小惠, 王继龙, 曹晓兰, 刘婕仪, 刘皖慧, 王昕惠

Estimation of ramie yield based on UAV (Unmanned Aerial Vehicle) remote sensing images

Hong-Yu FU, Guo-Xian CUI, Xu-Meng LI, Wei SHE, Dan-Dan CUI, Liang ZHAO, Xiao-Hui SU, Ji-Long WANG, Xiao-Lan CAO, Jie-Yi LIU, Wan-Hui LIU, Xin-Hui WANG

表4 后向逐步回归构建产量估测模型的过程及结果分析

Table 4 Process and result analysis of production estimation model constructed by backward stepwise regression

自变量个数 Number of independent variables 变量组成 Parameter R2 RMSE 13 DSM-based H, E, WI, ExGR, ExR, ExG, GLA, r, g, b, g/r, g/b, r/b 0.88 0.30 8 DSM-based H, E, ExGR, ExR, r, b, g/r, r/b 0.88 0.28 6 DSM-based H, E, ExGR, r, ExR, b 0.88 0.28 5 DSM-based H, E, ExGR, ExR, r, 0.87 0.28 3 DSM-based H***, E***, ExGR* 0.86 0.28 2 DSM-based H**, E*** 0.84 0.30