# Improved PTV measurement based on Voronoi matching used in hopper flow

> Research article (Powder Technology, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2953696193](https://www.wikidata.org/wiki/openalex:W2953696193)  
**Source**: https://4ort.xyz/entity/improved-ptv-measurement-based-on-voronoi-matching-used-in-hopper-flow