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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 3 — Apr. 4, 2013

Flexible near-infrared diffuse optical tomography with varied weighting functions of edge-preserving regularization

Liang-Yu Chen, Min-Cheng Pan, and Min-Chun Pan  »View Author Affiliations


Applied Optics, Vol. 52, Issue 6, pp. 1173-1182 (2013)
http://dx.doi.org/10.1364/AO.52.001173


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Abstract

In this paper, a flexible edge-preserving regularization algorithm based on the finite element method is proposed to reconstruct the optical-property images of near-infrared diffuse optical tomography. This regularization algorithm can easily incorporate with varied weighting functions, such as a generalized Lorentzian function, an exponential function, or a generalized total variation function. To evaluate the performance, results obtained from Tikhonov or edge-preserving regularization are compared with each other. As found, the edge-preserving regularization with the generalized Lorentzian function is more attractive than that with other functions for the estimation of absorption-coefficient images concerning functional tomographic images to discover functional information of tested phantoms/tissues.

© 2013 Optical Society of America

OCIS Codes
(100.3190) Image processing : Inverse problems
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.6960) Medical optics and biotechnology : Tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: September 11, 2012
Revised Manuscript: December 17, 2012
Manuscript Accepted: January 9, 2013
Published: February 13, 2013

Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Liang-Yu Chen, Min-Cheng Pan, and Min-Chun Pan, "Flexible near-infrared diffuse optical tomography with varied weighting functions of edge-preserving regularization," Appl. Opt. 52, 1173-1182 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-6-1173


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