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Journal of the Optical Society of America A

Journal of the Optical Society of America A


  • Vol. 19, Iss. 5 — May. 1, 2002
  • pp: 961–972

Signal-to-noise-ratio expressions in optical diffusion tomography

Charles L. Matson  »View Author Affiliations

JOSA A, Vol. 19, Issue 5, pp. 961-972 (2002)

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Optical diffusion tomography is a technology that is employed to obtain images of the heterogeneous nature of turbid media by using optical radiation. Noise ultimately limits the achievable spatial resolution in these reconstructed images; therefore it is of interest to develop signal-to-noise-ratio expressions that relate spatial resolution in the images to the underlying system and material properties. In this study, Fourier-domain signal-to-noise-ratio expressions are derived for two types of optical diffusion tomography systems: those that use amplitude-modulated illumination sources and those that use continuous-wave illumination sources. The signal-to-noise-ratio expressions are compared for these two types of systems and are validated by laboratory data.

© 2002 Optical Society of America

OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.5270) Medical optics and biotechnology : Photon density waves
(170.7050) Medical optics and biotechnology : Turbid media

Original Manuscript: July 2, 2001
Revised Manuscript: October 10, 2001
Manuscript Accepted: November 2, 2001
Published: May 1, 2002

Charles L. Matson, "Signal-to-noise-ratio expressions in optical diffusion tomography," J. Opt. Soc. Am. A 19, 961-972 (2002)

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