SAGA.imagery_tools.1: Vegetation Index (Slope Based)
Slope based vegetation indices.<br/><br/><ul><li>Difference Vegetation Index<br/> DVI = NIR - R</li><br/><li>Normalized Difference Vegetation Index (Rouse et al. 1974)<br/> NDVI = (NIR - R) / (NIR + R)</li><br/><li>Ratio Vegetation Index (Richardson and Wiegand, 1977)<br/> RVI = R / NIR</li><br/><li>Normalized Ratio Vegetation Index (Baret and Guyot, 1991)<br/> NRVI = (RVI - 1) / (RVI + 1)</li><br/><li>Transformed Vegetation Index (Deering et al., 1975)<br/> TVI = [(NIR - R) / (NIR + R) + 0.5]^0.5</li><br/><li>Corrected Transformed Ratio Vegetation Index (Perry and Lautenschlager, 1984)<br/> CTVI = [(NDVI + 0.5) / abs(NDVI + 0.5)] * [abs(NDVI + 0.5)]^0.5</li><br/><li>Thiam's Transformed Vegetation Index (Thiam, 1997)<br/> RVI = [abs(NDVI) + 0.5]^0.5</li><br/><li>Soil Adjusted Vegetation Index (Huete, 1988)<br/> SAVI = [(NIR - R) / (NIR + R)] * (1 + S)</li><br/></ul>(NIR = near infrared, R = red, S = soil adjustment factor)<br/><br/><br/>
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Last modified: Sat Feb 19 15:43:34 CET 2022