Several apps leverage the camera on your smartphone to measure your heart rate. One such method involves using the front-facing camera to detect subtle changes in skin color, which correlate with ...
What Is a Normal Respiratory Rate? What Factors Affect Your Respiratory Rate? Health Implications of Abnormal Respiratory Rates When to See a Doctor Tips Respiratory rate is the number of breaths you ...
The estimation of respiratory rate (RR) using photoplethysmography (PPG) and electrocardiogram (ECG) signals has emerged as a critical research area with substantial implications for clinical ...