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Title: Non-contact reflection photoplethysmography towards effective human physiological monitoring
Authors: Shi, Ping
Azorin-Peris, Vicente
Echiadis, Angelos S.
Zheng, Jia
Zhu, Yisheng
Cheang, Peck-Yeng (Sharon)
Hu, Sijung
Keywords: Non-contact reflection photoplethysmography (NRPPG)
Sensor placement
Bland-Altman plot
Pearson’s correlation
Cardio-physiological monitoring
Issue Date: 2010
Publisher: National Cheng Kung University
Citation: SHI, P. ... et al., 2010. Non-contact reflection photoplethysmography towards effective human physiological monitoring. Journal of Medical and Biological Engineering, 30 (3), pp.161-167.
Abstract: A non-contact reflection photoplethysmography (NRPPG) with its engineering model was created to access human physiological information. The NRPPG engineering setup with a vertical cavity surface emitting laser (VCSEL) as a light source and a high-speed PiN photodiode as a photodetector was configured based upon the principles of light-tissue interaction and Beer-Lambert’s law. In this paper, we present three aspects of the NRPPG performance: (1) photonics engineering work to capture photoplethysmographic signals with a non-contact manner in an optimal setup of the NRPPG; (2) a 5-minute protocol with 22 participants to determine a good agreement between NRPPG and contact photoplethysmography (CPPG) by means of Bland-Altman statistical analysis and Pearson’s correlation coefficient; and (3) a physiological experiment designed for cardiac-physiological monitoring utilizing NRPPG. The experimental results suggest that clean PPG signal can be obtained between 30-110 mm. The outcome from agreement study indicates that the performance of NRPPG is compatible with CPPG. The NRPPG technique has great potential in cardiac-physiological assessment in a required clinical circumstance.
Description: This article is available at: http://jmbe.bme.ncku.edu.tw/index.php?action=archives2&no=378
Version: Published
URI: https://dspace.lboro.ac.uk/2134/22188
Publisher Link: http://jmbe.bme.ncku.edu.tw/index.php?action=archives2&no=378
ISSN: 1609-0985
Appears in Collections:Published Articles (Mechanical, Electrical and Manufacturing Engineering)

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