edit

2 pts Who is credited with the first true vegetation index (Simple Ratio)?

Reveal answer

Correct: Cohen (1991)

Model answer

  • SR = NIR / Red — Cohen (1991).
💡

Cohen = SR (first VI). Rouse = NDVI (1974). Anderson = LULC classes (1976). Hord = Bayesian decision rule (1982). Don't mix these four.