# Facial expression recognition using geometric features and modified hidden Markov model

> Research article (International Journal of Grid and Utility Computing, 2019) · cited 33× · AI/ML

**Wikidata**: [openalex:W4235929991](https://www.wikidata.org/wiki/openalex:W4235929991)  
**Source**: https://4ort.xyz/entity/facial-expression-recognition-using-geometric-features-and-modified-hidden-markov-model