Table 2.

Feature optimization result.

Feature type	Feature name
Vegetation index	BNDVI、DVI、GNDVI、LCI、NDRE、NDVI、OSAVI、RDVI、RVI
Texture feature	red_mean、red_var、red_hom、red_con、red_dis、red_ent、red_sec、red_cor、nir_mean、nir_cor