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Opt Express. 2010 Feb 1;18(3):1854-71. doi: 10.1364/OE.18.001854.

Multilevel bioluminescence tomography based on radiative transfer equation Part 1: l1 regularization.

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  • 1Department of Mathematics, University of California, Irvine, CA 92697, USA.


In this paper we study an l1-regularized multilevel approach for bioluminescence tomography based on radiative transfer equation with the emphasis on improving imaging resolution and reducing computational time. Simulations are performed to validate that our algorithms are potential for efficient high-resolution imaging. Besides, we study and compare reconstructions with boundary angular-averaged data, boundary angular-resolved data and internal angular-averaged data respectively.

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