# Deep peak-neutral difference feature for facial expression recognition

> Research article (Multimedia Tools and Applications, 2018) · cited 33× · AI/ML

**Wikidata**: [openalex:W2794550020](https://www.wikidata.org/wiki/openalex:W2794550020)  
**Source**: https://4ort.xyz/entity/deep-peak-neutral-difference-feature-for-facial-expression-recognition