# Video-based facial expression recognition using learned spatiotemporal pyramid sparse coding features

> Research article (Neurocomputing, 2015) · cited 23× · AI/ML

**Wikidata**: [openalex:W2218523284](https://www.wikidata.org/wiki/openalex:W2218523284)  
**Source**: https://4ort.xyz/entity/video-based-facial-expression-recognition-using-learned-spatiotemporal-pyramid-sparse-coding-features