# Improved optical flow velocity analysis in SO <sub>2</sub> camera images of volcanic plumes – implications for emission-rate retrievals investigated at Mt Etna, Italy and Guallatiri, Chile

> Research article (Atmospheric measurement techniques, 2018) · cited 34× · AI/ML

**Wikidata**: [openalex:W2786278443](https://www.wikidata.org/wiki/openalex:W2786278443)  
**Source**: https://4ort.xyz/entity/improved-optical-flow-velocity-analysis-in-so-sub-2-sub-camera-images-of-volcanic-plumes-implications-for-emission-rate-