evi: evi

In RichardLemoine/LSTtools: LSTtools: An R package to process thermal data derived from Landsat and MODIS images

Description

Compute the Enhanced Vegetation Index (EVI) employing the surface reflectance NIR, Red and Blue bands of a satellite image.

Usage

evi(x, y, b)

Arguments

x	NIR band.
y	Red band.
b	Blue band.

Details

Compute the Enhanced Vegetation Index (EVI) employing the surface reflectance NIR, Red and Blue bands of a satellite image.

Value

EVI values ranging from -1 to 1.

References

Liu H.Q., Huete A.R. A. (1995). A feedback based modification of the NDV I to minimize canopy background and atmospheric noise. IEEE Transactions on Geoscience and Remote Sensing 33:457-465.

Huete A.R., Liu, H.Q., Batchily, K., van Leeuwen, W. (1997). A comparison of vegetation indices global set of TM images for EOS-MODIS. Remote Sensing of Environment, 59:440-451.

Huete,A., K. Didan, T. Miura, E.P. Rodriguez, X. Gao and L.G. Ferreira. (2002). Overview of the radiometric and biophysical performance of the MODIS vegetation indices. Remote Sensing of Environment 83:195-213.

Examples

## Not run: # For Landsat 8 bands
eviind <- evi(B5, B4, B2)
## End(Not run)

RichardLemoine/LSTtools documentation built on Oct. 19, 2020, 12:50 a.m.