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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 26 — Dec. 22, 2008
  • pp: 21434–21445

Remote plethysmographic imaging using ambient light.

Wim Verkruysse, Lars O Svaasand, and J Stuart Nelson  »View Author Affiliations

Optics Express, Vol. 16, Issue 26, pp. 21434-21445 (2008)

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Plethysmographic signals were measured remotely (>1m) using ambient light and a simple consumer level digital camera in movie mode. Heart and respiration rates could be quantified up to several harmonics. Although the green channel featuring the strongest plethysmographic signal, corresponding to an absorption peak by (oxy-) hemoglobin, the red and blue channels also contained plethysmographic information. The results show that ambient light photo-plethysmography may be useful for medical purposes such as characterization of vascular skin lesions (e.g., port wine stains) and remote sensing of vital signs (e.g., heart and respiration rates) for triage or sports purposes.

© 2008 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(280.4991) Remote sensing and sensors : Passive remote sensing

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: October 15, 2008
Revised Manuscript: November 21, 2008
Manuscript Accepted: December 9, 2008
Published: December 12, 2008

Virtual Issues
Vol. 4, Iss. 2 Virtual Journal for Biomedical Optics

Wim Verkruysse, Lars O. Svaasand, and J. S. Nelson, "Remote plethysmographic imaging using ambient light," Opt. Express 16, 21434-21445 (2008)

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