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Proceedings Paper

Comparison of the performance of two depth-resolved optical imaging systems: laminar optical tomography and spatially modulated imaging
Author(s): Edgar Guevara; Maxime Abran; Samuel Bélanger; Nicolas Ouakli; Frédéric Lesage
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Paper Abstract

The objective of this work is to compare quantitatively the imaging capabilities of a laminar optical tomography (LOT) system with those of a spatially modulated imaging (SMI) system. LOT is a three dimensional optical imaging technique that achieves depth sensitivity by measuring multiple-scattered light at different source-detector separations. The SMI method is based on spatially modulated illumination-detection patterns, which encode both optical properties and depth information. In this work, simulation studies are carried out at different noise levels, to obtain the figures of merit of tomographic reconstructions for both systems. Experiments on phantoms are performed to demonstrate the validity of the numerical results.

Paper Details

Date Published: 26 February 2010
PDF: 10 pages
Proc. SPIE 7573, Biomedical Applications of Light Scattering IV, 757317 (26 February 2010); doi: 10.1117/12.841886
Show Author Affiliations
Edgar Guevara, Ecole Polytechnique de Montréal (Canada)
Maxime Abran, Ecole Polytechnique de Montréal (Canada)
Samuel Bélanger, Ecole Polytechnique de Montréal (Canada)
Nicolas Ouakli, Ecole Polytechnique de Montréal (Canada)
Frédéric Lesage, Ecole Polytechnique de Montréal (Canada)
Institut de Cardiologie de Montréal (Canada)


Published in SPIE Proceedings Vol. 7573:
Biomedical Applications of Light Scattering IV
Adam P. Wax; Vadim Backman, Editor(s)

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