Reducing Latency and Noise in PPG-Based SpO2 Measurements: A Kalman Filtering Approach Towards Acute Hypoxia Detection

Saud Lingawi, Garrett Frank, Benedictus H. Kartawidjaja +3

Photoplethysmography (PPG) is a common tool for monitoring cardiopulmonary health. Relying on absorption or reflectance of light by hemoglobin in the blood, the measured PPG wavefo…