An earbud-based photoplethysmography and its application

Yohei Tomita, Satoru Suzuki, Yasue Mitsukura

Research output: Contribution to journalArticle

Abstract

This paper presents an earbud-based photoplethysmography (PPG) and its application. This PPG recording system permits long-term continuous monitoring of cardiovascular function since it can be worn comfortably on ears. Experimental investigations showed that stress and drowsiness could be estimated by analyzing measured PPG signals. Furthermore, noise suppression techniques for motion noises and ambient light interferences are introduced to make a recorded signal more acceptable.

Original languageEnglish
Pages (from-to)236-241
Number of pages6
JournalIEEJ Transactions on Electronics, Information and Systems
Volume137
Issue number2
DOIs
Publication statusPublished - 2017

Keywords

  • Earbud-based photoplethysmography
  • Kansei acquisition
  • Noise reduction

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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