# Unmanned aerial system imagery and photogrammetric canopy height data in area-based estimation of forest variables

> Research article (Silva Fennica, 2015) · cited 51× · AI/ML

**Wikidata**: [openalex:W2206801820](https://www.wikidata.org/wiki/openalex:W2206801820)  
**Source**: https://4ort.xyz/entity/unmanned-aerial-system-imagery-and-photogrammetric-canopy-height-data-in-area-based-estimation-of-forest-variables