Sep 13, 2011 ... NDVI (Rouse et al., 1974), the Enhanced Vegetation Index, EVI ( ..... Green LAI vs . the Simple Ratio, the CIGreen, the CIRed-edge and the.
NDVI was first used in 1973 by Rouse et al. from the Remote Sensing Centre of Texas A&M University. Generally, healthy vegetation will absorb most of the ...