Frequency domain imaging through heavily scattering media - A comparison of diffusion and Monte Carlo simulations

S. P. Morgan, M. C. Pitter, Michael Geoffrey Somekh, J. G. Walker

Research output: Journal article publicationConference articleAcademic researchpeer-review

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.
Original languageEnglish
Pages (from-to)311-322
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume3194
DOIs
Publication statusPublished - 1 Dec 1997
Externally publishedYes
EventProceedings of Photon Propagation in Tissues III - San Remo, Italy
Duration: 6 Sep 19978 Sep 1997

Keywords

  • Diffusion
  • Frequency domain
  • Green's function
  • Imaging
  • Monte Carlo
  • Scattering

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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