# A novel sparse representation model for pedestrian abnormal trajectory understanding

> Research article (Expert Systems with Applications, 2019) · cited 76× · AI/ML

**Wikidata**: [openalex:W2950009354](https://www.wikidata.org/wiki/openalex:W2950009354)  
**Source**: https://4ort.xyz/entity/a-novel-sparse-representation-model-for-pedestrian-abnormal-trajectory-understanding