# A hybrid swarm intelligence based approach for abnormal event detection in crowded environments

> Research article (Pattern Recognition Letters, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2971931942](https://www.wikidata.org/wiki/openalex:W2971931942)  
**Source**: https://4ort.xyz/entity/a-hybrid-swarm-intelligence-based-approach-for-abnormal-event-detection-in-crowded-environments