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Proceedings Paper

Frequency-domain imaging through heavily scattering media: a comparison of diffusion and Monte Carlo simulations
Author(s): Stephen P. Morgan; Mark C. Pitter; Michael G. Somekh; John G. Walker
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Paper Abstract

A semi-analytic diffusion model to describe frequency domain imaging through heavily scattering media has been validated by a quantitative comparison with Monte Carlo simulations and experimental results. Although the model is not an exact solution it can deal with situations where exact analysis fails. The method lends itself to modeling responses from restricted objects and deals with the fact that the object is embedded in a finite medium. The presence of inhomogeneities is accounted for by a two stage propagation of Green's functions from source to object to detector. Using a combined photon flux and photon density term at the object plane to represent the radiance provides the best match to Monte Carlo simulations.

Paper Details

Date Published: 1 January 1998
PDF: 12 pages
Proc. SPIE 3194, Photon Propagation in Tissues III, (1 January 1998); doi: 10.1117/12.301069
Show Author Affiliations
Stephen P. Morgan, Univ. of Nottingham (United Kingdom)
Mark C. Pitter, Univ. of Nottingham (United Kingdom)
Michael G. Somekh, Univ. of Nottingham (United Kingdom)
John G. Walker, Univ. of Nottingham (United Kingdom)


Published in SPIE Proceedings Vol. 3194:
Photon Propagation in Tissues III
David A. Benaron; Britton Chance; Marco Ferrari, Editor(s)

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