# Building roof extraction from ASTIL echo images applying OSA-YOLOv5s

> Research article (Applied Optics, 2022) · cited 10× · AI/ML

**Wikidata**: [openalex:W4220785870](https://www.wikidata.org/wiki/openalex:W4220785870)  
**Source**: https://4ort.xyz/entity/building-roof-extraction-from-astil-echo-images-applying-osa-yolov5s