# Non-contact video-based estimation of heart rate variability spectrogram from hemoglobin composition

> Research article (Artificial Life and Robotics, 2017) · cited 34× · AI/ML

**Wikidata**: [openalex:W2740546179](https://www.wikidata.org/wiki/openalex:W2740546179)  
**Source**: https://4ort.xyz/entity/non-contact-video-based-estimation-of-heart-rate-variability-spectrogram-from-hemoglobin-composition