Model Of light propagation in cerebrospinal fluid for brain-function measurement

Atsushi Iwasaki, Toshiyuki Hayashi, Eiji Okada

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The direct hybrid Monte Carlo-diffusion method (DHMDM) has been used to calculate the light propagation in the head model i<h a low-scattering CSF layer, in calculation of the DHMDM, the surface radiance to the CSF layer should be replaced by the light source for Monte-Carlo calculation of light propagation in the CSF layer. In this study, the influence of asymmetric distribution of the surface radiance toward the CSF layer on the light propagation in the head model is investigated to improve the accuracy of the DHMDM. The light propagation in the head model with thin superficial layer is considerably affected by the asymmetric of the surface radiance. The model considering the asymmetric of the surface radiance in calculation of light propagation in the CSF layer by Monte-Carlo calculation improves the accuracy of DHMDM.

    Original languageEnglish
    Title of host publicationAPBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    Pages318-319
    Number of pages2
    ISBN (Electronic)0780379438, 9780780379435
    DOIs
    Publication statusPublished - 2003 Jan 1
    EventIEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003, APBME 2003 - Kyoto-Osaka-Nara, Japan
    Duration: 2003 Oct 202003 Oct 22

    Publication series

    NameAPBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003

    Other

    OtherIEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003, APBME 2003
    CountryJapan
    CityKyoto-Osaka-Nara
    Period03/10/2003/10/22

    Keywords

    • Diffusion equation
    • FEM
    • Light propagation
    • Monte Carlo method
    • Near-infrared spectroscopy

    ASJC Scopus subject areas

    • Biomedical Engineering

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  • Cite this

    Iwasaki, A., Hayashi, T., & Okada, E. (2003). Model Of light propagation in cerebrospinal fluid for brain-function measurement. In APBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003 (pp. 318-319). [1302712] (APBME 2003 - IEEE EMBS Asian-Pacific Conference on Biomedical Engineering 2003). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APBME.2003.1302712