Indices spectraux

Formule

Référence

Normalized Difference Végétation Index (NDVI)

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

Rousse et al. (1973)

Soil-adjusted Vegetation Index (SAVI)

$\frac{NIR-R}{\left(NIR+R+0.5\right)\ast 1.5}$

Chuvieco et al. (2002)

Normalized Difference Moisture Index (NDMI)

$\frac{NIR-SWIR}{NIR+SWIR}$

Key and Benson (2000)

Normalized Burned Ratio (NBR)

$\frac{NIR-LWIR}{NIR+LWIR}$

Key and Benson (2000)

Mid-infrared Burned Index (MIRBI)

10 * LWIR − 9.5 * SWIR + 2

Trigg and Flasse (2001)

Burned Area Index (BAI)

$\frac{1}{{\left(0.1+R\right)}^2+{\left(0.06+NIR\right)}^2}$

Chuvieco et al. (2002)

Normalized Difference Water Index (NDWI)

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

McFeeters (1996)

Modified Normalized Difference Water Index (MNDWI)

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

Xu (2006)

Tasseled Cap Wetness (TCW)

0.1363 * B + 0.2802 * G + 0.3072 * R + 0.5288 * Re1 + 0.1379 * Re2 − 0.0001 * Re3 − 0.0807 * NIR1 − 0.4064 * SWIR1 − 0.5602 * SWIR2 − 0.1389 * NIR2

Tasseled Cap Greeness (TCG)

0.1363 * B + 0.2802 * G + 0.3072 * R + 0.5288 * Re1 + 0.1379 * Re2 − 0.0001 * Re3 − 0.0807 * NIR1 − 0.4064 * SWIR1 − 0.5602 * SWIR2 − 0.1389 * NIR2

Tasseled Cap Brigthness (TCB)

0.1363 * B + 0.2802 * G + 0.3072 * R + 0.5288 * Re1 + 0.1379 * Re2 − 0.0001 * Re3 − 0.0807 * NIR1 − 0.4064 * SWIR1 − 0.5602 * SWIR2 − 0.1389 * NIR2