PPG signal quality evaluation method and device, wearable device and storage medium
A technology for signal quality evaluation and wearable devices, applied in diagnostic recording/measurement, medical science, diagnosis, etc., can solve the problems of PPG signal that cannot be evaluated for signal quality, and achieve the effect of improving signal quality that cannot be analyzed
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[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0044] The present invention proposes a PPG signal quality evaluation method, which is used to evaluate whether the PPG signal collected by a wearable device in a motion state can be analyzed. The wearable device has an acceleration sensor, and the acceleration sensor is used to obtain the Acceleration signal in motion state. The wearable device detects changes in blood volume in living tissue through photoplethysmography (PPG), and the PPG signal can...
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