IPVI

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IPVI (Infrared Percentage Vegetation Index)


Calculation:

IPVI = NIR / (NIR + R)


Characteristics:

ratio-based index,
limited range with no negative values: 0<IPVI<1,
sensitive to atmospheric noise


Reference:

Crippen, R. E. 1990. Calculating the Vegetation Index Faster, Remote Sensing of Environment, vol 34., pp. 71-73.