# Facial Expression Recognition Using Graph Signal Processing on HOG

> Research article (IETE Journal of Research, 2019) · cited 19× · AI/ML

**Wikidata**: [openalex:W2913922702](https://www.wikidata.org/wiki/openalex:W2913922702)  
**Source**: https://4ort.xyz/entity/facial-expression-recognition-using-graph-signal-processing-on-hog