Análise da influência do tom de pele no sinal de fotopletismografia (PPG)

• Ayame G. R. da Rosa UNISINOS
• Jean Schmith UNISINOS
• Rodrigo Marques de Figueiredo UNISINOS
• Lúcio R. Prade UNISINOS
• Janaína Avancini Pinheiro UNISINOS
• Sandro Rigo UNISINOS

DOI: https://doi.org/10.5753/sbcas.2023.229566

Abstract

Photoplethysmography is an important technique for studying the physiological parameters of health. The acquisition of this signal is susceptible to many types of artifacts, such as patient movement and noise. The purpose of this article is to demonstrate the behavior of the PPG signal measured on the anterior surface of the wrist, in order to describe the quality of the signal when acquired in different skin tones. Thus, 144 samples of a thousand values each were collected, and with the analysis of the signals, it was identified that there is a sensitive behavior of the PPG signal when associated with skin tone.

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