# Automatic detection of alertness/drowsiness from physiological signals using wavelet-based nonlinear features and machine learning

> Research article (Expert Systems with Applications, 2015) · cited 184× · AI/ML

**Wikidata**: [openalex:W227339781](https://www.wikidata.org/wiki/openalex:W227339781)  
**Source**: https://4ort.xyz/entity/automatic-detection-of-alertness-drowsiness-from-physiological-signals-using-wavelet-based-nonlinear-features-and-machin