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Applied Optics

Applied Optics


  • Vol. 40, Iss. 31 — Nov. 1, 2001
  • pp: 5791–5801

Deconvolution-based spatial resolution in optical diffusion tomography

Charles L. Matson  »View Author Affiliations

Applied Optics, Vol. 40, Issue 31, pp. 5791-5801 (2001)

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The role that deconvolution plays in the achievable spatial resolution in optical diffusion tomography is examined for the case of imaging an inhomogeneity in an otherwise homogeneous medium. It is shown that, in the measured data, it is the shape of the turbid medium modulation transfer function that determines the maximum spatial resolution. When the turbid medium transfer function is deconvolved from the measured data, it is the signal-to-noise ratio properties of the Fourier-transformed measured data that determine the maximum spatial resolution. It is shown that deconvolution-based methods can improve the spatial resolution in measured data up to a factor of 5 for realistic noise levels. These results are demonstrated with computer-simulated data.

© 2001 Optical Society of America

OCIS Codes
(100.1830) Image processing : Deconvolution
(100.2980) Image processing : Image enhancement
(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: March 7, 2001
Revised Manuscript: July 5, 2001
Published: November 1, 2001

Charles L. Matson, "Deconvolution-based spatial resolution in optical diffusion tomography," Appl. Opt. 40, 5791-5801 (2001)

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