# Pupil size as a soft biometrics for age and gender classification

> Research article (Pattern Recognition Letters, 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3093201014](https://www.wikidata.org/wiki/openalex:W3093201014)  
**Source**: https://4ort.xyz/entity/pupil-size-as-a-soft-biometrics-for-age-and-gender-classification