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Proceedings Paper

Utilizing Fokker-Planck-Eddington approximation in modeling light transport in tissues-like media
Author(s): Ossi Lehtikangas; Tanja Tarvainen
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Paper Abstract

Fokker-Planck-Eddington approximation can be used to approximate the radiative transport equation when scattering is forward-peaked. In the approach, forward-peaked scattering probability is approximated using delta functions and smoothly varying Legendre polynomials. In this work, the approximation is used to model light propagation in turbid media with low-scattering regions. The proposed model is tested using simulations, and compared with the radiative transport equation, the diffusion approximation, and the coupled radiative transport - diffusion model. The results show that the Fokker-Planck-Eddington approximation describes light propagation with good accuracy.

Paper Details

Date Published: 14 June 2013
PDF: 8 pages
Proc. SPIE 8799, Diffuse Optical Imaging IV, 879908 (14 June 2013); doi: 10.1117/12.2031829
Show Author Affiliations
Ossi Lehtikangas, Univ. of Eastern Finland (Finland)
Tanja Tarvainen, Univ. of Eastern Finland (Finland)
Univ. College London (United Kingdom)

Published in SPIE Proceedings Vol. 8799:
Diffuse Optical Imaging IV
Paola Taroni; Hamid Dehghani, Editor(s)

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