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The DOI matches its Crossref record; 36 of the 36 references it cites were found in a registry or an index.

Accurate Heart Rate Monitoring During Physical Exercises Using PPG

Temko, Andriy·2017·IEEE Transactions on Biomedical Engineering

Abstract

OBJECTIVE: The challenging task of heart rate (HR) estimation from the photoplethysmographic (PPG) signal, during intensive physical exercises, is tackled in this paper. METHODS: The study presents a detailed analysis of a novel algorithm (WFPV) that exploits a Wiener filter to attenuate the motion artifacts, a phase vocoder to refine the HR estimate and user-adaptive post-processing to track the subject physiology. Additionally, an offline version of the HR estimation algorithm that uses Viterbi decoding is designed for scenarios that do not require online HR monitoring (WFPV+VD). The performance of the HR estimation systems is rigorously compared with existing algorithms on the publically available database of 23 PPG recordings. RESULTS: On the whole dataset of 23 PPG recordings, the algorithms result in average absolute errors of 1.97 and 1.37 BPM in the online and offline modes, respectively. On the test dataset of 10 PPG recordings which were most corrupted with motion artifacts, WFPV has an error of 2.95 BPM on its own and 2.32 BPM in an ensemble with two existing algorithms. CONCLUSION: The error rate is significantly reduced when compared with the state-of-the art PPG-based HR estimation methods. SIGNIFICANCE: The proposed system is shown to be accurate in the presence of strong motion artifacts and in contrast to existing alternatives has very few free parameters to tune. The algorithm has a low computational cost and can be used for fitness tracking and health monitoring in wearable devices. The MATLAB implementation of the algorithm is provided online.

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Metadata

Authors
Temko, A.
Venue
IEEE Transactions on Biomedical Engineering
Published
2017-09
Volume
64
Issue
9
Pages
2016-2024
ISSN
  • 0018-9294 (ISSN-L)
  • 1558-2531
OpenAlex
W2592075940
Cited by
293
References
36
FWCI
10.36
Type
journal article
Language
en
Open access
closed

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