What is the function of NDBI (Normalized Difference Built Up Index)?? How it helps?
Hi Gazi;
Normalized Difference Built-up Index (NDBI) is used to extract built-up features and have indices range from -1 to 1, its equation is
NDBI = (SWIR1 – NIR)/(SWIR1 + NIR);
Please take a look to the papers that discussed the NDBI,
https://is.muni.cz/el/1431/podzim2012/Z8114/um/35399132/35460312/ndbi.pdf
Article Use of normalized difference built-up index in automatically...
Best;
Amal
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