Accuracy enhancement in reflective pulse oximetry by considering wavelength-dependent pathlengths
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DOI: 10.1088/1361-6579/ac890c
Abstract: Objective. Noninvasive measurement of oxygen saturation (SpO 2) using transmissive photoplethysmography (tPPG) is clinically accepted and widely employed. However, reflective photoplethysmography (rPPG)—currently present in smartwatches—has not become equally accepted, partially because the pathlengths of the… read more here.
Keywords: spo using; pathlength ratio; accuracy enhancement; spo ... See more keywords