# Contour and region harmonic features for sub-local facial expression recognition

> Research article (Journal of Visual Communication and Image Representation, 2020) · cited 29× · AI/ML

**Wikidata**: [openalex:W3096478594](https://www.wikidata.org/wiki/openalex:W3096478594)  
**Source**: https://4ort.xyz/entity/contour-and-region-harmonic-features-for-sub-local-facial-expression-recognition