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Article Dans Une Revue Optics Letters Année : 2011

Accelerated Boundary Element Method for Diffuse Optical Imaging

Résumé

The boundary element method (BEM) is a useful tool in Diffuse Optical Imaging (DOI) when modelling large optical regions whose parameters are piecewise constant, but is computationally expensive. We present here an acceleration technique, the single-level Fast Multipole Method, for a highly lossy medium. The enhanced practicability of the BEM in DOI is demonstrated through test examples on single-layer problems, where order of magnitude reduction factors on solution time are achieved, and on a realistic three-layer model of the neonatal head. Our experimental results agree very closely with theoretical predictions of computational complexity.
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Dates et versions

hal-00624462 , version 1 (17-09-2011)

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Josias Elisee, Marc Bonnet, Simon Arridge. Accelerated Boundary Element Method for Diffuse Optical Imaging. Optics Letters, 2011, 36, pp.4101-4103. ⟨10.1364/OL.36.004101⟩. ⟨hal-00624462⟩
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