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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. 9, Iss. 3 — Mar. 6, 2014

Subsurface fluorescence molecular tomography with prior information

Wei He, Huangsheng Pu, Guanglei Zhang, Xu Cao, Bin Zhang, Fei Liu, Jianwen Luo, and Jing Bai  »View Author Affiliations


Applied Optics, Vol. 53, Issue 3, pp. 402-409 (2014)
http://dx.doi.org/10.1364/AO.53.000402


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Abstract

Subsurface fluorescence molecular tomography (FMT) is an emerging technique determining fluorescence distribution by tomographic means in reflectance geometry. However, due to the highly diffusive nature of the photon propagation in biological tissues and the influence of nearer source–detector separations, stand-alone subsurface FMT could not accurately reflect the fluorophore distributions. To overcome this drawback, we propose a method to improve the performance of fluorescence imaging by coupling x-ray computed tomography (XCT) and subsurface FMT modalities. A Laplacian-type regularization matrix generated with tissue prior information obtained from XCT images is used to guide the reconstruction of fluorophore distribution. Reconstruction results of both simulation and phantom studies showed that significant improvements in localization and demarcation of fluorescent targets can be obtained with the proposed method compared to the reconstruction method without structural prior information.

© 2014 Optical Society of America

OCIS Codes
(170.3010) Medical optics and biotechnology : Image reconstruction techniques
(170.6280) Medical optics and biotechnology : Spectroscopy, fluorescence and luminescence
(170.6960) Medical optics and biotechnology : Tomography

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: September 24, 2013
Manuscript Accepted: November 18, 2013
Published: January 16, 2014

Virtual Issues
Vol. 9, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Wei He, Huangsheng Pu, Guanglei Zhang, Xu Cao, Bin Zhang, Fei Liu, Jianwen Luo, and Jing Bai, "Subsurface fluorescence molecular tomography with prior information," Appl. Opt. 53, 402-409 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-53-3-402


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