# Step-wise Land-class Elimination Approach for extracting mixed-type built-up areas of Kolkata megacity

> Research article (Geocarto International, 2017) · cited 26× · AI/ML

**Wikidata**: [openalex:W2770155217](https://www.wikidata.org/wiki/openalex:W2770155217)  
**Source**: https://4ort.xyz/entity/step-wise-land-class-elimination-approach-for-extracting-mixed-type-built-up-areas-of-kolkata-megacity