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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. 6, Iss. 7 — Jul. 27, 2011

Real-time convolution method for generating light diffusion profiles of layered turbid media

Hoe-Min Kim, Kwang Hee Ko, and Kwan H. Lee  »View Author Affiliations


JOSA A, Vol. 28, Issue 6, pp. 1276-1284 (2011)
http://dx.doi.org/10.1364/JOSAA.28.001276


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Abstract

In this paper we present a technique to obtain a diffusion profile of layered turbid media in real time by using the quasi fast Hankel transform (QFHT) and the latest graphics processing unit technique. We apply the QFHT to convolve the diffusion profiles of each layer so as to dramatically reduce the time for the convolution step while maintaining the accuracy. In addition, we also introduce an accelerated technique to generate individual discrete diffusion profiles for each layer through parallel processing. The proposed method is 2 orders of magnitude faster than the existing method, and we validate its efficiency by comparing it with Monte Carlo simulation and another relevant methods.

© 2011 Optical Society of America

OCIS Codes
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.7050) Medical optics and biotechnology : Turbid media
(290.1990) Scattering : Diffusion
(290.4210) Scattering : Multiple scattering

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 4, 2011
Manuscript Accepted: March 24, 2011
Published: May 27, 2011

Virtual Issues
Vol. 6, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Hoe-Min Kim, Kwang Hee Ko, and Kwan H. Lee, "Real-time convolution method for generating light diffusion profiles of layered turbid media," J. Opt. Soc. Am. A 28, 1276-1284 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-28-6-1276

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