# Automatic extraction of building geometries based on centroid clustering and contour analysis on oblique images taken by unmanned aerial vehicles

> Research article (International Journal of Geographical Information Systems, 2021) · cited 14× · AI/ML

**Wikidata**: [openalex:W3167969708](https://www.wikidata.org/wiki/openalex:W3167969708)  
**Source**: https://4ort.xyz/entity/automatic-extraction-of-building-geometries-based-on-centroid-clustering-and-contour-analysis-on-oblique-images-taken-by