GGreen.
ExGExcess Green Index
VegetationMultispectralCitation Rank #40
Skip to content No radar polarizations are used in this index. No constants are used in this index. No contextual reductions are used in this index.
Summary
The Excess Green Index (ExG) is a vegetation spectral index intended for multispectral sensing. It was introduced in 1995; its source is cited as D. M. Woebbecke, G. E. Meyer, K. Von Bargen, & D. A. Mortensen (1995). Color Indices for Weed Identification Under Various Soil, Residue, and Lighting Conditions. Transactions of the ASAE, 38(1). https://doi.org/10.13031/2013.27838 .
Based on the latest citation data, this index is in the 87.54th percentile overall, ranking 40 out of 313 indices with citation data. Among the 22 indices published within two years of 1995, it ranks 8 (68.18th percentile). Within the vegetation application domain, it is in the 83.89th percentile and ranks 35 out of 211 indices with citation data. Among the 21 similarly aged vegetation indices, it ranks 7 (71.43th percentile).
Formula
2 * G - R - BBands
RRed.
BBlue.