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Motion limitations of non-contact photoplethysmography due to the optical and topological properties of skin

Butler, M J; Crowe, J A; Hayes-Gill, B R; Rodmell, P I

Authors

M J Butler matthew.butler@nottingham.ac.uk

J A Crowe

B R Hayes-Gill

P I Rodmell



Abstract

Non-contact photoplethysmography (PPG) provides multiple benefits over in-contact methods, but is not as tolerant to motion due to the lack of mechanical coupling between the subject and sensor. One limitation of non-contact photoplethysmography is discussed here, specifically looking at the topology and optical variations of the skin and how this impacts upon the ability to extract a photoplethysmogram when a subject moves horizontally across the field of view of the detector (a panning motion). When this occurs it is shown that whilst the general relationships between the speed of traversal, detection area and resultant signal quality can be found, the quality of signal in each individual case is determined by the properties of the area of skin chosen.

Journal Article Type Article
Publication Date May 1, 2016
Journal Physiological Measurement
Print ISSN 0967-3334
Electronic ISSN 1361-6579
Publisher IOP Publishing
Peer Reviewed Peer Reviewed
Volume 37
Issue 5
Pages N27-N37
APA6 Citation Butler, M. J., Crowe, J. A., Hayes-Gill, B. R., & Rodmell, P. I. (2016). Motion limitations of non-contact photoplethysmography due to the optical and topological properties of skin. Physiological Measurement, 37(5), N27-N37. https://doi.org/10.1088/0967-3334/37/5/n27
DOI https://doi.org/10.1088/0967-3334/37/5/n27
Publisher URL https://iopscience.iop.org/article/10.1088/0967-3334/37/5/N27/meta
Additional Information Journal title: Physiological Measurement; Article type: note; Article title: Motion limitations of non-contact photoplethysmography due to the optical and topological properties of skin; Copyright information: © 2016 Institute of Physics and Engineering in Medicine; License information: cc-by Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.; Date received: 2015-12-07; Date accepted: 2016-03-02; Online publication date: 2016-04-21

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