WDVI

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WDVI (Weighted Difference Vegetation Index)


Calculation:

WDVI = NIR - s * R
s = slope of soil line


Characteristics:

perpendicular index,
infinite range,
highly sensitive to atmospheric variations


Reference:

Clevers, J. G. P. W. 1988. The derivation of a simplified reflectance model for the estimation of leaf area index, Remote Sensing of Environment, vol 35., pp. 53-70.