Green Leaf Index (GLI) was originally generated to determine the grazing impact of wheat. If the value is negative it represents soil or something non-living, and if the value is positive it is either green leaves or stems (Eng et al., 2019).
Usage
GLI (GREEN, RED, BLUE)
Value
Green Leaf Index
Arguments
GREEN
Green spectral band
RED
Red spectral band
BLUE
Blue spectral band
References
Eng, L. S., Ismail, R., Hashim, W., & Baharum, A. (2019). The Use of VARI, GLI, and VIgreen Formulas in Detecting Vegetation In aerial Images. International Journal of Technology, 10(7), 1385. <https://doi.org/10.14716/ijtech.v10i7.3275>