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Accelerated boundary element method for diffuse optical imaging |
Optics Letters, Vol. 36, Issue 20, pp. 4101-4103 (2011)
http://dx.doi.org/10.1364/OL.36.004101
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Abstract
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 are 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.
© 2011 Optical Society of America
OCIS Codes
(000.3860) General : Mathematical methods in physics
(000.4430) General : Numerical approximation and analysis
(110.0113) Imaging systems : Imaging through turbid media
ToC Category:
Imaging Systems
History
Original Manuscript: July 27, 2011
Revised Manuscript: September 11, 2011
Manuscript Accepted: September 13, 2011
Published: October 14, 2011
Virtual Issues
Vol. 6, Iss. 11 Virtual Journal for Biomedical Optics
Citation
J. Elisee, M. Bonnet, and S. Arridge, "Accelerated boundary element method for diffuse optical imaging," Opt. Lett. 36, 4101-4103 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-20-4101
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