# Automatic Selection of Webcam Photoplethysmographic Pixels Based on Lightness Criteria

> Research article (Journal of Medical and Biological Engineering, 2017) · cited 27× · AI/ML

**Wikidata**: [openalex:W2598450880](https://www.wikidata.org/wiki/openalex:W2598450880)  
**Source**: https://4ort.xyz/entity/automatic-selection-of-webcam-photoplethysmographic-pixels-based-on-lightness-criteria