Information for Sensor and Index

Formula

General Formula	$\frac{NIR - RED - y (RED - BLUE)}{NIR + RED - y (RED - BLUE)}$
Specific Formula	$\frac{12 - 5 - y (5 - 1)}{12 + 5 - y (5 - 1)}$
Calculated	Automatic
Comment

Sensor

Name	CASI-2 Vegetation
Full Name	Compact Airborne Spectrographic Imager (CASI-2)
Bands	12
Spectrum [nm]	441.53-869.54
Spat.Res. [m]	0-0
Inclination	0
Platform	airborne
Operator	ITRES
Date of Launch	0000-00-00
Comment
Usable for Indices	yes
Description

Index

Name	Atmospherically Resistant Vegetation Index
Abbreviation	ARVI
Formula	$\frac{NIR - RED - y (RED - BLUE)}{NIR + RED - y (RED - BLUE)}$
Variables	NIR = [781:1399]
Expl. of Variables	y = quotient derived from the components of atmospheric reflectance in the blue and red channel (see literature, e.g. Bannari 1992, for details)
Wavelengths	420:480,640:760,781:1399
Source	Original formula
Description	Minimizes the effects of atmospheric scattering in comparison to the NDVI

References

Nr.	Author/Title	Year	Comment
1	Thenkabail, P. S.; Smith, R. B.; De Pauw, E. - Evaluation of narrowband and broadband vegetation indices for determining optimal hyperspectral wavebands for agricultural crop characterization	2002

Visualisation

Sensor

Index