NDBI | How to Calculate Normalized Difference Built-up Index in ArcGIS

Описание

NDBI in ArcGIS. Hope you will learn how to Calculate Normalized Difference Built-up Index in ArcGIS.

Normalized Difference Built-up Index(NDBI) describe the Built-up 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=(SWIR-NIR)/(SWIR+NIR)

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

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

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


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