# Determining the Optimal Number of Ground Control Points for Varying Study Sites through Accuracy Evaluation of Unmanned Aerial System-Based 3D Point Clouds and Digital Surface Models

> Research article (Drones, 2020) · cited 46× · AI/ML

**Wikidata**: [openalex:W3081502012](https://www.wikidata.org/wiki/openalex:W3081502012)  
**Source**: https://4ort.xyz/entity/determining-the-optimal-number-of-ground-control-points-for-varying-study-sites-through-accuracy-evaluation-of-unmanned-