# Quaternion discrete cosine transformation signature analysis in crowd scenes for abnormal event detection

> Research article (Neurocomputing, 2016) · cited 17× · AI/ML

**Wikidata**: [openalex:W2325668796](https://www.wikidata.org/wiki/openalex:W2325668796)  
**Source**: https://4ort.xyz/entity/quaternion-discrete-cosine-transformation-signature-analysis-in-crowd-scenes-for-abnormal-event-detection