智能手机原位牧草生物量估算

陶海玉,张爱武,庞海洋,康孝岩

Smart-Phone Application in Situ Grassland Biomass Estimation

HaiYu TAO,AiWu ZHANG,HaiYang PANG,XiaoYan KANG

表3 不同类型特征下XGB-SFS算法入选特征

Table 3 The selected features of XGB-SFS algorithm

特征类型 Feature type 数量 Number 入选特征 Selected features RGBVIs 14 RBMI, R, B, RGMI, NGBVI, RGPI, VDVI, RBPI, G, NPCI, b, RGMPI, GBRI, RBRI Textures 12 VAR_B, VAR_R, CON_B, MEA_B, HOM_B, VAR_G, MEA_R, DIS_B, SEC_R, MEA_G, SEC_B, ENT_B VI-Textures 11 R, VAR_G, VAR_B, G, VAR_R, RBRI, RBMI, RBMPI, MEA_G, SEC_B, MEA_B