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Photoplethysmogram measurement without direct skin-to-sensor contact using an adaptive light source intensity control
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- Authors
- Issue Date
- 2009-11
- Citation
- IEEE Transactions on Information Technology in Biomedicine, vol. 13, no. 6, pp. 1085-1088
- Keywords
- Adaptive light intensity control ; indirect contact sensor ; photoplethysmogram (PPG) monitoring ; unconstrained measurement
- Abstract
- We developed a chair-attached, nonintrusive photoplethysmogram
(PPG)measuring system for everyday life, unconstrained monitoring
using nonskin-contacting sensor-amplifier circuits capable of emitting
suitable light intensity adaptable to clothing characteristics. Comparison
between proposed and conventional systems showed reasonable correlation
and root-mean-squared error levels, indicating its feasibility for unconstrained
PPG monitoring.
- ISSN
- 1089-7771
- Language
- English
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