# Tracking a Driver’s Face against Extreme Head Poses and Inference of Drowsiness Using a Hidden Markov Model

> Research article (Applied Sciences, 2016) · cited 39× · AI/ML

**Wikidata**: [openalex:W2346607917](https://www.wikidata.org/wiki/openalex:W2346607917)  
**Source**: https://4ort.xyz/entity/tracking-a-drivers-face-against-extreme-head-poses-and-inference-of-drowsiness-using-a-hidden-markov-model