4-band Red Edge Normalized Difference Vegetation Index
((alpha * RE3 + (1 - alpha) * RE2) - (beta * R + (1 - beta) * RE1))/((alpha * RE3 + (1 - alpha) * RE2) + (beta * R + (1 - beta) * RE1))
RE3 · RE2 · R · RE1
vegetationvegetationSentinel-2