# 22.4 A 172µW compressive sampling photoplethysmographic readout with embedded direct heart-rate and variability extraction from compressively sampled data

> Research article (2016 IEEE International Solid-State Circuits Conference (ISSCC), 2016) · cited 50× · AI/ML

**Wikidata**: [openalex:W2289170447](https://www.wikidata.org/wiki/openalex:W2289170447)  
**Source**: https://4ort.xyz/entity/22-4-a-172w-compressive-sampling-photoplethysmographic-readout-with-embedded-direct-heart-rate-and-variability-extractio