RRed.
VegetationMultispectralCitation Rank #263
The Redness Index (RI) is a vegetation spectral index intended for multispectral sensing. It was introduced in 1991; its source is cited as R. Escadafal, & A. Huete (1991). Improvement in remote sensing of low vegetation cover in arid regions by correcting vegetation indices for soil "noise". https://www.documentation.ird.fr/hor/fdi:34390 .
Based on the latest citation data, this index is in the 16.93th percentile overall, ranking 263 out of 313 indices with citation data. Among the 15 indices published within two years of 1991, it ranks 15 (6.67th percentile). Within the vegetation application domain, it is in the 15.17th percentile and ranks 180 out of 211 indices with citation data. Among the 15 similarly aged vegetation indices, it ranks 15 (6.67th percentile).
(R - G)/(R + G)RRed.
GGreen.