基于无人机可见光影像的荒漠植被分布格局研究方法
郝梦宇, 秦龙君, 毛鹏, 罗婕纯一, 赵文利, 邱国玉

Unmanned aerial vehicle UAV based methodology for spatial distribution pattern analysis of desert vegetation
Mengyu Hao, Longjun Qin, Peng Mao, Jiechunyi Luo, Wenli Zhao, Guoyu Qiu
表2 6种可见光波段的植被指数
Table 2 Six vegetation indices in the visible light range
植被指数名称公式
CIVE植被颜色指数CIVE=0.441r-0.881g+????????????0.385b+18.787
ExG超绿指数ExG=2g-r-b
ExGR超绿超红差分指数ExGR=ExG-(1.4r-g)
NGRDI归一化绿红差分指数NGRDI=G-RG+R
VEG植被因子VEG=gr0.667b0.333
WIWoebbecke指数WI=g-br-g