作者: Vitali Loseu , Sourabh Ravindran
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摘要: Methods for heart rate measurement based on pulse oximetry are provided that can tolerate some degree of relative displacement a photoplethysmograph (PPG) monitor device. In methods, artifact compensation reference signal is performed the PPG data to remove artifacts in may be caused, example, by changes ambient light and/or motion person wearing The used generated using an LED complementary wavelength generate signal, or driving at lower current than applied signal.