基于无人机影像阴影去除的苹果树冠层氮素含量遥感反演
李美炫,朱西存,白雪源,彭玉凤,田中宇,姜远茂

Remote Sensing Inversion of Nitrogen Content in Apple Canopy Based on Shadow Removal in UAV Multi-Spectral Remote Sensing Images
LI MeiXuan,ZHU XiCun,BAI XueYuan,PENG YuFeng,TIAN ZhongYu,JIANG YuanMao
表2 敏感波段分析
Table 2 Analysis of sensitive bands
波段
Band
相关系数R
原始光谱反射率
Original spectral reflectance
NSVI去除阴影后提取光谱反射率
Spectral reflectance based on NSVI
NDCSI去除阴影后提取光谱反射率
Spectral reflectance based on NDCSI
绿光(Bg -0.663 -0.745 -0.786
红光(Br -0.680 -0.672 -0.684
红边(Breg -0.374 -0.356 -0.486
近红外(Bnir -0.415 -0.547 -0.612