Study on the Detection the Section with the Motion Artifacts of the PPG Signal

Title & Authors
Study on the Detection the Section with the Motion Artifacts of the PPG Signal
Lee, Hanwook; Lee, Gunki;

Abstract
The biomedical information (heart rate, HRV, $\small{SpO_2}$ etc) from the Photoplethysmography (PPG) signal section can be estimated without the motion artifacts if the PPG signal section in the motion artifacts is detected accurately. But the PPG signal is easily exposed to the motion artifacts by the decrease of the medical instrument size and applying as portable or wearable. Besides, it is difficult to completely eliminate the motion artifacts from the PPG signal without distortion and ensure reliability as well. In this paper, the method was suggested to determine the motion artifacts or not on the PPG signal of the section divided into intervals of constant length. By comparing the spectrum of each section, it can be determined whether the motion artifacts are or not after obtaining the spectrum of each section by the Goertzel algorithm. Moreover, an amount of computation while maintaining a high detection rate can be reduced by using the Goertzel algorithm.
Keywords
Photoplethysmography (PPG);Goertzel algorithm;Motion artifacts;
Language
Korean
Cited by
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