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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 8 — Sep. 4, 2013

Non-contact detection of oxygen saturation based on visible light imaging device using ambient light

Lingqin Kong, Yuejin Zhao, Liquan Dong, Yiyun Jian, Xiaoli Jin, Bing Li, Yun Feng, Ming Liu, Xiaohua Liu, and Hong Wu  »View Author Affiliations


Optics Express, Vol. 21, Issue 15, pp. 17464-17471 (2013)
http://dx.doi.org/10.1364/OE.21.017464


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Abstract

A method that remotely measures blood oxygen saturation through two cameras under regular lighting is proposed and experimentally demonstrated. Two narrow-band filters with their visible wavelength of 660nm and 520nm are mounted to two cameras respectively, which are then used to capture two photoplethysmographic (PPG) from the subject simultaneously. The data gathered from this system, including both blood oxygen saturation and heart rate, is compared to the output of a traditional figure blood volume pulse (BVP) senor that was employed on the subject at the same time. Result of the comparison showed that the data from the new, non-contact system is consistent and comparable with the BVP senor. Compared to other camera-based measuring method, which requires additional close-up lighting, this new method is achievable under regular lighting condition, therefore more stable and easier to implement. This is the first demonstration of an accurate video-based method for non-contact oxygen saturation measurements by using ambient light with their respective visible wavelength of 660nm and 520nm which is free from interference of the light in other bands.

© 2013 OSA

OCIS Codes
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(230.0230) Optical devices : Optical devices
(280.4991) Remote sensing and sensors : Passive remote sensing

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: April 29, 2013
Revised Manuscript: June 15, 2013
Manuscript Accepted: July 1, 2013
Published: July 15, 2013

Virtual Issues
Vol. 8, Iss. 8 Virtual Journal for Biomedical Optics

Citation
Lingqin Kong, Yuejin Zhao, Liquan Dong, Yiyun Jian, Xiaoli Jin, Bing Li, Yun Feng, Ming Liu, Xiaohua Liu, and Hong Wu, "Non-contact detection of oxygen saturation based on visible light imaging device using ambient light," Opt. Express 21, 17464-17471 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=oe-21-15-17464


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