Spectral indices

Equation

References

BI: Brightness index

$\frac{\sqrt{B^2+G^2+R^2}}{\sqrt{3}}$

Zhuo Luoa et al., 2008

CI: Color index

$\frac{R-G}{R+G}$

Zhuo Luoa et al., 2008

HI: Hue index

$\frac{2R-G-B}{G-B}$

Zhuo Luoa et al., 2008

RI: Redness index

$\frac{R^2}{B+G^2}$

Zhuo Luoa et al., 2008

SI: Salinity index

$\frac{R}{NIR}\times 100$

Tripathi et al., 1997

SI1: Salinity index 1

$\sqrt{B\ast R}$

Khan et al., 2005

SI2: Salinity index 2

$\sqrt{G\ast R}$

Khan et al., 2005

SI3: Salinity index 3

$\sqrt{G^2+R^2+NI{R}^2}$

Douaoui et al., 2006

SI4: Salinity index 4

$\sqrt{G^2+R^2}$

Douaoui et al., 2006

SI5: Salinity index 5

$\frac{B}{R}$

Bannari et al., 2008

SI9: salinity index 9

$\frac{NIR-R}{G}$

Abass and Khan, 2007

SI-11: Salinity index 11

$\frac{SWIR1}{SWIR2}$

Bannari et al., 2008

ASTER_SI: Salinity index ASTER

$\frac{SWIR1-SWIR2}{SWIR1+SWIR2}$

Bannari et al., 2008