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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 2 — Jan. 27, 2003
  • pp: 141–150

Spatial location weighted optimization scheme for DC optical tomography

Jun Zhou, Jing Bai, and Ping He  »View Author Affiliations


Optics Express, Vol. 11, Issue 2, pp. 141-150 (2003)
http://dx.doi.org/10.1364/OE.11.000141


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Abstract

In this paper, a spatial location weighted gradient-based optimization scheme for reducing the computation burden and increasing the reconstruction precision is stated. The method applies to DC diffusion-based optical tomography, where otherwise the reconstruction suffers slow convergence. The inverse approach employs a weighted steepest descent method combined with a conjugate gradient method. A reverse differentiation method is used to efficiently derive the gradient. The reconstruction results confirm that the spatial location weighted optimization method offers a more efficient approach to the DC optical imaging problem than unweighted method does.

© 2002 Optical Society of America

OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.3660) Medical optics and biotechnology : Light propagation in tissues
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.6960) Medical optics and biotechnology : Tomography

ToC Category:
Research Papers

History
Original Manuscript: December 12, 2002
Revised Manuscript: January 16, 2003
Published: January 27, 2003

Citation
Jun Zhou, Jing Bai, and Ping He, "Spatial location weighted optimization scheme for DC optical tomography," Opt. Express 11, 141-150 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-2-141


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