Impact of optical wavelength on the reliability of photoplethysmography-based heart rate measurements outside of controlled laboratory environments
Introduction The effectiveness of heart rate (HR) measurements via photoplethysmography (PPG) depends on the wavelength of light used. Typical PPG sensors use green, red, or infrared light, each penetrating the skin to different depths (Ray et al., 2021). Here, we present a comparative analysis of t...
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Bern Open Publishing,
2024-02-01T00:00:00Z.
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