NDBI in ArcGIS. Hope you will learn how to Calculate Normalized Difference Builtup Index in ArcGIS.

Normalized Difference Builtup Index(NDBI) describe the Builtup density of any Geographic area. NDBI is calculated as a ratio between the short wave infrared (SWIR) and near infrared (NIR) and have indices range from 1 to 1.

Formula for NDBI
NDBI=(SWIRNIR)/(SWIR+NIR)

NDBI for Landsat 8,
NDBI=(Band 6Band 5)/(Band 6+Band 5)

NDBI for Landsat 7,
NDBI=(Band 5Band 4)/(Band 5+Band 4)

You can use band 7 because both of them are SWIR band.


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