The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Comparison of finite-difference transport and diffusion calculations for photon migration in homogeneous and heterogeneous tissues
Open accessAbstract
We analyse the limits of the diffusion approximation to the time-independent equation of radiative transfer for homogeneous and heterogeneous biological media. Analytical calculations and finite-difference simulations based on diffusion theory are compared with discrete-ordinate, finite-difference transport calculations. The influence of the ratio of absorption and transport scattering coefficient (mu(a)/mu'(s)) on the accuracy of the diffusion approximation are quantified and different definitions for the diffusion coefficient, D, are discussed. We also address effects caused by void-like heterogeneities in which absorption and scattering are very small compared with the surrounding medium. Based on results for simple homogeneous and heterogeneous systems, we analyse diffusion and transport calculation of light propagation in the human brain. For these simulations we convert density maps obtained from magnetic resonance imaging (MRI) to optical-parameter maps (mu(a) and mu'(s)) of the brain. We show that diffusion theory fails to describe accurately light propagation in highly absorbing regions, such as haematoma, and void-like spaces, such as the ventricles and the subarachnoid space.
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A finite element approach for modeling photon transport in tissue
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Photon-measurement density functions Part 2: Finite-element-method calculations
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Cited by
Mechanisms of Pulsed Laser Ablation of Biological Tissues
Vogel, A., & Venugopalan, V. (2003) · Chemical Reviews · doi:10.1021/cr010379n · Cited by 1,918
Boas, D. A., Dale, A. M., & Franceschini, M. A. (2004) · NeuroImage · doi:10.1016/j.neuroimage.2004.07.011 · Cited by 721
Boas, D. A., Culver, J. P., Stott, J. J., & Dunn, A. K. (2002) · Optics Express · doi:10.1364/oe.10.000159 · Cited by 599
Doornbos, R. M. P., Lang, R., Aalders, M. C., Cross, F. W., & Sterenborg, H. J. C. M. (1999) · Physics in Medicine and Biology · doi:10.1088/0031-9155/44/4/012 · Cited by 380
Okada, E., & Delpy, D. T. (2003) · Applied Optics · doi:10.1364/ao.42.002906 · Cited by 274
Metadata
- Authors
- Hielscher, A. H., Alcouffe, R. E., & Barbour, R. L.
- Venue
- Physics in Medicine and Biology
- Publisher
- IOP Publishing
- Published
- 1998-05-01
- Volume
- 43
- Issue
- 5
- Pages
- 1285-1302
- ISSN
- 0031-9155 (ISSN-L)
- 1361-6560
- OpenAlex
- W2065977316
- Cited by
- 332
- References
- 29
- FWCI
- 10.91
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Hielscher, A. H., Alcouffe, R. E., & Barbour, R. L. (1998). Comparison of finite-difference transport and diffusion calculations for photon migration in homogeneous and heterogeneous tissues. Physics in Medicine and Biology. https://doi.org/10.1088/0031-9155/43/5/017
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
