ENDVI uses blue and green visible light instead of solely using red light. This index singles out plant health indicators better because it shows how the plant’s surface absorbs the blue light in contrast to the reflected green light and the NIR light, thus it generates a more reliable sign of the crop’s health. The formula for ENDVI is the sum of NIR and Green channel of the wavelength to represent the reflective channel and the Blue is multiplied by 2 to adjust for the NIR and the Green channels being added together.
ENDVI = ((NIR + Green) – (2 X Blue)) / ((NIR + Green) + (2 X Blue))
Reference:
PrecisionHawk Vegetation-Indices
(Last Edit 10 Feb 2023, Kellee)