Kuaishou Large Model

Dec 3, 2021 · Artificial Intelligence

How Can Your Face Reveal Heart Rate? Exploring rPPG Technology

This article explains the principles of remote photoplethysmography (rPPG), how facial skin color changes caused by heartbeats can be captured by a camera to measure heart rate, respiration, SpO₂ and other physiological signals, and reviews traditional and data‑driven algorithms for robust signal extraction.