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Title: Backscattered stokes vectors of scattering media: Anisotropy factor and reduced scattering coefficient estimation
Authors: Falconet, J.
Sablong, R.
Perrin, E.
Jaillon, F. 
Saint-Jalmes, H.
Keywords: Anisotropy factor
Fourier descriptors
Optical characterization
Scattering media
Issue Date: Sep-2008
Citation: Falconet, J., Sablong, R., Perrin, E., Jaillon, F., Saint-Jalmes, H. (2008-09). Backscattered stokes vectors of scattering media: Anisotropy factor and reduced scattering coefficient estimation. IRBM 29 (4) : 261-266. ScholarBank@NUS Repository.
Abstract: Optical characterization of biological tissues is of real interest to improve medical diagnosis and in particular in the detection of precancerous tissues. The reduced scattering coefficient μ′s and the absorption coefficient μa are the most commonly retrieved coefficients. Some methods also allow to obtain the anisotropy factor g, but only few of them are noninvasive. We propose a new noninvasive method allowing the estimation of the anisotropy factor and the reduced scattering coefficient with polarized incident light. This method is based on the image analysis of the Q-element of Stokes vector backscattered from the turbid medium. These Q-element images show specific patterns depending on g, and μ′s is determined by the size of the patterns. Therefore, the use of Fourier descriptors (FD) on simulated and experimental data to discriminate the specific geometrical features of the Q-element enables the determination of the anisotropy factor and the scattering coefficient. © 2008.
Source Title: IRBM
ISSN: 19590318
DOI: 10.1016/j.rbmret.2007.12.011
Appears in Collections:Staff Publications

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