Information for Sensor and Index

Formula

General Formula	$(n (1 - 0.25 n) - \frac{RED - 0.125}{1 - RED})$
Specific Formula	$(\frac{2 ({MS4}^{2} - {MS3}^{2}) + 1.5 MS4 + 0.5 MS3}{MS4 + MS3 + 0.5} (1 - 0.25 \frac{2 ({MS4}^{2} - {MS3}^{2}) + 1.5 MS4 + 0.5 MS3}{MS4 + MS3 + 0.5}) - \frac{MS3 - 0.125}{1 - MS3})$
Calculated	Automatic
Comment

Name	Global Environment Monitoring Index
Abbreviation	GEMI
Formula	$(n (1 - 0.25 n) - \frac{RED - 0.125}{1 - RED})$
Variables	n = ( 2 * ( NIR ^2 - RED ^2) + 1.5 * NIR + 0.5 * RED ) / ( NIR + RED + 0.5 )
Expl. of Variables
Wavelengths	640:760,780:1400
Source	Original formula
Description	Bannari 1996

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