# Extraction of urban built-up surfaces and its subclasses using existing built-up indices with separability analysis of spectrally mixed classes in AVIRIS-NG imagery

> Research article (Advances in Space Research, 2020) · cited 19× · AI/ML

**Wikidata**: [openalex:W3042874909](https://www.wikidata.org/wiki/openalex:W3042874909)  
**Source**: https://4ort.xyz/entity/extraction-of-urban-built-up-surfaces-and-its-subclasses-using-existing-built-up-indices-with-separability-analysis-of-s