# Discovering Potential Illegal Construction Within Building Roofs from UAV Images Using Semantic Segmentation and Object-Based Change Detection

> Research article (Photogrammetric Engineering & Remote Sensing, 2021) · cited 18× · AI/ML

**Wikidata**: [openalex:W3152914928](https://www.wikidata.org/wiki/openalex:W3152914928)  
**Source**: https://4ort.xyz/entity/discovering-potential-illegal-construction-within-building-roofs-from-uav-images-using-semantic-segmentation-and-object-