Photoplethysmogram Analysis and Applications: An Integrative Review

Beyond its use in a clinical environment, photoplethysmogram (PPG) is increasingly used for measuring the physiological state of an individual in daily life. This review aims to examine existing research on photoplethysmogram concerning its generation mechanisms, measurement principles, clinical applications, noise definition, pre-processing techniques, feature detection techniques, and post-processing techniques for photoplethysmogram processing, especially from an engineering point of view. We performed an extensive search with the PubMed, Google Scholar, Institute of Electrical and Electronics Engineers (IEEE), ScienceDirect, and Web of Science databases. Exclusion conditions did not include the year of…

• MO
  Ministry of Education
• NR
  National Research Foundation
• KH
  Korea Health Industry Development Institute

  Award: HI21C0011
• NR
  National Research Foundation of Korea

  Award: NRF-2018R1D1A3B07046442
• MO
  Ministry of Science and ICT, South Korea