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Table 1 A list of commonly used VIs in literature

From: Estimation of vegetation indices for high-throughput phenotyping of wheat using aerial imaging

Vegetation index Formula
Normalized Difference Vegetation Index [15] \({\text{NDVI}} = \frac{{{\text{NIR}} - {\text{Red}}}}{{{\text{NIR}} + {\text{Red}}}}\)
Green Normalized Difference Vegetation Index [16] \({\text{GNDVI}} = \frac{{{\text{NIR}} - {\text{Green}}}}{{{\text{NIR}} + {\text{Green}}}}\)
RedEdge Normalized Difference Vegetation Index [17] \({\text{RENDVI}} = \frac{{{\text{NIR}} - {\text{RedEdge}}}}{{{\text{NIR}} + {\text{RedEdge}}}}\)
Soil Adjusted Vegetation Index [18] \({\text{SAVI}} = \frac{{(1 + {\text{L}}) \times ({\text{NIR}} - {\text{Red)}}}}{{{\text{NIR}} + {\text{Red}} + {\text{L}}}}\)
Enhanced Vegetation Index [19] \({\text{EVI}} = \frac{{{\text{G}} \times ({\text{NIR}} - {\text{Red}})}}{{{\text{NIR}} + {\text{c}}_{1} {\text{Red}} - {\text{c}}_{2} {\text{Blue}} + {\text{L}}}}\)