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1 光谱植被指数及数码图像变量定义

Table 1 Definition of spectral vegetation index and digital image variables

变量 Variable 定义 Definition 参考来源Source R r=R/(R+G+B) G g=G/(R+G+B) B b=B/(R+G+B) g/r g/r=g/r g/b g/b=g/b r/b r/b=r/b GLA GLA=(2*G-R-B)/(2*G+R+B) [19] ExR ExR=1.4R-G [15] ExG ExG=2*G-R-B [15] ExGR ExGR=ExG-1.4R-G [20] WI (G-B)/(R-G) [20]