# Heart rate estimation based on face video under unstable illumination

> Research article (Applied Intelligence, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3120367645](https://www.wikidata.org/wiki/openalex:W3120367645)  
**Source**: https://4ort.xyz/entity/heart-rate-estimation-based-on-face-video-under-unstable-illumination