2134/22188
Ping Shi
Ping
Shi
Vicente Azorin-Peris
Vicente
Azorin-Peris
Angelos S. Echiadis
Angelos S.
Echiadis
Jia Zheng
Jia
Zheng
Yisheng Zhu
Yisheng
Zhu
Peck-Yeng (Sharon) Cheang
Peck-Yeng
Cheang
Sijung Hu
Sijung
Hu
Non-contact reflection photoplethysmography towards effective human physiological monitoring
Loughborough University
2016
Non-contact reflection photoplethysmography (NRPPG)
Sensor placement
Bland-Altman plot
Pearson’s correlation
Cardio-physiological monitoring
Mechanical Engineering not elsewhere classified
Artificial Intelligence and Image Processing
2016-08-04 08:33:23
Journal contribution
https://repository.lboro.ac.uk/articles/journal_contribution/Non-contact_reflection_photoplethysmography_towards_effective_human_physiological_monitoring/9562148
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.