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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 41, Iss. 25 — Sep. 1, 2002
  • pp: 5427–5437

Absorption and scattering images of heterogeneous scattering media can be simultaneously reconstructed by use of dc data

Yong Xu, Xuejun Gu, Taufiquar Khan, and Huabei Jiang  »View Author Affiliations


Applied Optics, Vol. 41, Issue 25, pp. 5427-5437 (2002)
http://dx.doi.org/10.1364/AO.41.005427


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Abstract

We present a carefully designed phantom experimental study aimed to provide solid evidence that both absorption and scattering images of heterogeneous scattering media can be reconstructed independently from dc data. We also study the important absorption–scattering cross-talk issue. In this regard, we develop a simple normalizing scheme that is incorporated into our nonlinear finite-element-based reconstruction algorithm. Our results from the controlled phantom experiments show that the cross talk of an absorption object appearing in scattering images can be eliminated and that the cross talk of a scattering object appearing in absorption images can be reduced considerably. In addition, these carefully designed phantom experiments clearly suggest that both absorption and scattering images can be simultaneously recovered and quantitatively separated in highly scattering media by use of dc measurements. Finally, we discuss our results in light of recent theoretical findings on nonuniqueness for dc image reconstruction.

© 2002 Optical Society of America

OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.3830) Medical optics and biotechnology : Mammography
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(170.6960) Medical optics and biotechnology : Tomography

History
Original Manuscript: December 14, 2001
Revised Manuscript: May 9, 2002
Published: September 1, 2002

Citation
Yong Xu, Xuejun Gu, Taufiquar Khan, and Huabei Jiang, "Absorption and scattering images of heterogeneous scattering media can be simultaneously reconstructed by use of dc data," Appl. Opt. 41, 5427-5437 (2002)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-41-25-5427

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