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Real time diffuse reflectance polarisation spectroscopy imaging to evaluate skin microcirculation
Physics Department, University of Limerick, National Technological Park, Limerick, Ireland.
Östergötlands Läns Landsting.
Linköping University, Department of Biomedical Engineering, Biomedical Instrumentation. Linköping University, The Institute of Technology.
Östergötlands Läns Landsting.
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2007 (English)In: Novel Optical Instrumentationfor Biomedical Applications III / [ed] Christian D. Depeursinge, SPIE - International Society for Optical Engineering, 2007, 66310O-1-66310O-10 p.Conference paper, Published paper (Refereed)
Abstract [en]

This article describes the theoretical development and design of a real-time microcirculation imaging system, an extension from a previously technology developed by our group. The technology utilises polarisation spectroscopy, a technique used in order to selectively gate photons returning from various compartments of human skin tissue, namely from the superficial layers of the epidermis, and the deeper backscattered light from the dermal matrix. A consumer-end digital camcorder captures colour data with three individual CCDs, and a custom designed light source consisting of a 24 LED ring light provides broadband illumination over the 400 nm - 700 nm wavelength region. Theory developed leads to an image processing algorithm, the output of which scales linearly with increasing red blood cell (RBC) concentration. Processed images are displayed online in real-time at a rate of 25 frames s(-1), at a frame size of 256 x 256 pixels, and is limited only by computer RAM memory and processing speed. General demonstrations of the technique in vivo display several advantages over similar technology.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2007. 66310O-1-66310O-10 p.
Series
Proceedings of SPIE (Progress in biomedical optics and imaging), ISSN 1605-7422 ; 6631
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-38708DOI: 10.1117/12.728337ISI: 000250954100021Local ID: 45398ISBN: 9780819467751 (print)OAI: oai:DiVA.org:liu-38708DiVA: diva2:259557
Conference
European Conference on Biomedical Optics, 17-19 June 2007, Munich, Germany
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-01-31Bibliographically approved

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Henricson, JoakimNilsson, GertAnderson, Chris

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Östergötlands Läns LandstingBiomedical InstrumentationThe Institute of Technology
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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
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Output format
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