# Mapping vegetation-induced obstruction in agricultural ditches: A low-cost and flexible approach by UAV-SfM

> Research article (Agricultural Water Management, 2021) · cited 17× · AI/ML

**Wikidata**: [openalex:W3186389188](https://www.wikidata.org/wiki/openalex:W3186389188)  
**Source**: https://4ort.xyz/entity/mapping-vegetation-induced-obstruction-in-agricultural-ditches-a-low-cost-and-flexible-approach-by-uav-sfm