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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 9, Iss. 2 — Jul. 16, 2001
  • pp: 97–109

Normalized–constraint algorithm for minimizing inter–parameter crosstalk in DC optical tomography

Yaling Pei, Harry L. Graber, and Randall L. Barbour  »View Author Affiliations

Optics Express, Vol. 9, Issue 2, pp. 97-109 (2001)

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In this report, we present a method for reducing the inter–coefficient crosstalk problem in optical tomography. The method described is an extension of a previously reported normalized difference method that evaluates relative detector values, and employs a weight matrix scaling technique together with a constrained CGD method for image reconstruction. Results from numerical and experimental studies using DC measurement data demonstrate that the approach can effectively isolate absorption and scattering heterogeneities, even for complex combinations of perturbations in optical properties. The significance of these results in light of recent theoretical findings is discussed.

© 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
(170.5280) Medical optics and biotechnology : Photon migration
(170.6960) Medical optics and biotechnology : Tomography

ToC Category:
Research Papers

Original Manuscript: May 9, 2001
Published: July 16, 2001

Yaling Pei, Harry Graber, and Randall Barbour, "Normalized-constraint algorithm for minimizing inter-parameter crosstalk in DC optical tomography," Opt. Express 9, 97-109 (2001)

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