# Global optical flow-based estimation of velocity for multicopters using monocular vision in GPS-denied environments

> Research article (Optik, 2020) · cited 22× · AI/ML

**Wikidata**: [openalex:W3033268485](https://www.wikidata.org/wiki/openalex:W3033268485)  
**Source**: https://4ort.xyz/entity/global-optical-flow-based-estimation-of-velocity-for-multicopters-using-monocular-vision-in-gps-denied-environments