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Applied Optics

Applied Optics


  • Vol. 37, Iss. 16 — Jun. 1, 1998
  • pp: 3547–3552

Improved reconstruction algorithm for luminescence optical tomography when background lumiphore is present

J. Chang, H. L. Graber, and R. L. Barbour  »View Author Affiliations

Applied Optics, Vol. 37, Issue 16, pp. 3547-3552 (1998)

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We examine the impact of background lumiphore on image quality in luminescence optical tomography. A modification of a previously described algorithm [ ChangJ.GraberH. L.BarbourR. L., J. Opt. Soc. Am. A 14, 288–299 (1997); ChangJ.GraberH. L.BarbourR. L., IEEE Trans. Biomed. Eng. 44, 810–822 (1997)] that estimates the background luminescence directly from the detector readings is developed. Numerical simulations were performed to calculate the diffusion-regime limiting form of forward-problem solutions for a specific test medium. We performed image reconstructions with and without white noise added to the detector readings, using both the original and the improved versions of the algorithm. The results indicate that the original version produces unsatisfactory reconstructions when background lumiphore is present, whereas the improved algorithm yields qualitatively better images, especially for small target-to-background luminescence yield ratios.

© 1998 Optical Society of America

OCIS Codes
(110.6960) Imaging systems : Tomography
(260.3800) Physical optics : Luminescence

Original Manuscript: May 14, 1997
Revised Manuscript: January 12, 1998
Published: June 1, 1998

J. Chang, H. L. Graber, and R. L. Barbour, "Improved reconstruction algorithm for luminescence optical tomography when background lumiphore is present," Appl. Opt. 37, 3547-3552 (1998)

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