# Abnormal event detection and localisation in traffic videos based on group sparse topical coding

> Research article (IET Image Processing, 2015) · cited 15× · AI/ML

**Wikidata**: [openalex:W2254507976](https://www.wikidata.org/wiki/openalex:W2254507976)  
**Source**: https://4ort.xyz/entity/abnormal-event-detection-and-localisation-in-traffic-videos-based-on-group-sparse-topical-coding