# Illumination invariants in deep video expression recognition

> Research article (Pattern Recognition, 2017) · cited 20× · AI/ML

**Wikidata**: [openalex:W2765906447](https://www.wikidata.org/wiki/openalex:W2765906447)  
**Source**: https://4ort.xyz/entity/illumination-invariants-in-deep-video-expression-recognition