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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 31 — Nov. 1, 2008
  • pp: 5811–5820

Analysis of simulated and experimental backscattered images of turbid media in linearly polarized light: estimation of the anisotropy factor

Julie Falconet, Raphaël Sablong, Emmanuel Perrin, Franck Jaillon, and Hervé Saint-Jalmes  »View Author Affiliations


Applied Optics, Vol. 47, Issue 31, pp. 5811-5820 (2008)
http://dx.doi.org/10.1364/AO.47.005811


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Abstract

Optical characterization of biological tissues is of real interest to improve medical diagnosis, in particular in the detection of precancerous tissues. We propose a new, noninvasive method allowing the estimation of the anisotropy factor. This method is based on the image analysis of the Q element of the Stokes vector backscattered from the turbid medium. These Q-element images show specific patterns depending on g. Therefore the use of Fourier descriptors (FDs) on simulated data to discriminate the specific geometrical features of the Q element enabled us to determine a linear relation between the anisotropy factor and six FDs. This method was applied on experimental data obtained with calibrated solutions. The anisotropy factor was estimated with a maximum relative error of 13%.

© 2008 Optical Society of America

OCIS Codes
(170.7050) Medical optics and biotechnology : Turbid media
(260.5430) Physical optics : Polarization
(290.1350) Scattering : Backscattering
(290.4020) Scattering : Mie theory
(290.4210) Scattering : Multiple scattering
(290.5850) Scattering : Scattering, particles

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 31, 2008
Revised Manuscript: September 18, 2008
Manuscript Accepted: September 24, 2008
Published: October 24, 2008

Virtual Issues
Vol. 4, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Julie Falconet, Raphaël Sablong, Emmanuel Perrin, Franck Jaillon, and Hervé Saint-Jalmes, "Analysis of simulated and experimental backscattered images of turbid media in linearly polarized light: estimation of the anisotropy factor," Appl. Opt. 47, 5811-5820 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-31-5811

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