Cited by 9Non-Invasive Vital Sign MonitoringCardiovascular Health and Disease PreventionHeart Rate Variability and Autonomic Control

Photoplethysmography signal analysis to assess obesity, age group and hypertension

Ferdinando, Hany, Huotari, Matti, Myllyla, Teemu·2019·2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)

Abstract

Photoplethysmography (PPG) provides a simple, convenient and noninvasive method to assess pulse oximetry. Several attempts have been made to use PPG also to estimate blood pressure and arterial stiffness. This paper attempts to assess obesity classes, age group, and hypertension classes using PPG measured from the finger. One set of features was derived from the normalized pulse width of PPG and the other from original PPG. The features were calculated based on the pulse decomposition analysis using five lognormal functions and the up-slope of the PPG pulse. Using kNN and SVM as classifiers, the results were validated using leave-one-out validation. Performances of both features sets have no significant difference, and the kNN outperformed the SVM. The best accuracies are 93%, 88%, and 92% for obesity (5 classes), age group (7 classes), and hypertension (4 classes) respectively. These three assessment targets have a strong relationship with arterial stiffness, therefore it also leads to a study about arterial stiffness using PPG. Width normalization to 1 second might affect some features points based on pulse decomposition analysis. This study also found that the up-slope analysis might give good indices when width normalization was employed. However, these findings still require more experiments to gain conclusions that are more comprehensive.

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Registry

Crossref · 10.1109/embc.2019.8857570

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  • Ferdinando et al. were able to identify five classes of obesity from PPG waveforms using 17 parameters derived from the decomposition of the PPG waveform into five lognormal functions.

    “Using k-nearest neighbor and support vector machines, Ferdinando et al. were able to identify five classes of obesity from PPG waveforms using 17 parameters derived from the decomposition of the PPG waveform into five lognormal functions.”

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Authors
Ferdinando, H., Huotari, M., & Myllyla, T.
Affiliations
  • Petra Christian University (ID)
  • University of Oulu (FI)
Venue
2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Publisher
IEEE
Published
2019-07
Volume
2019
Pages
5572-5575
ISSN
2375-7477 (ISSN-L)
OpenAlex
W2979702794
Cited by
9
References
21
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 2 · 2021: 1 · 2020: 2
FWCI
1.56
Type
conference paper
Language
en
Open access
closed
Locations
  • Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Health and Disease Prevention
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Heart Rate Variability and Autonomic Control
Keywords
photoplethysmography, obesity classification, hypertension classification, pulse decomposition, finger PPG, k-nearest neighbors, support vector machine
MeSH terms
Humans, Hypertension, Obesity, Oximetry, Signal Processing, Computer-Assisted, Photoplethysmography

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