Real-time diffuse optical tomography based on structured illumination

Samuel Bélanger; Maxime Abran; Xavier Intes; Christian Casanova; Frederic Lesage

doi:10.1117/1.3290818

1 January 2010 Real-time diffuse optical tomography based on structured illumination

Samuel Bélanger; Maxime Abran; Xavier Intes; Christian Casanova; Frederic Lesage

Author Affiliations +

J. of Biomedical Optics, 15(1), 016006 (2010). https://doi.org/10.1117/1.3290818

Abstract

A new optical acquisition scheme based on a pair of digital micromirror devices is developed and applied to three-dimensional tomographic imaging of turbid media. By using pairs of illumination-detection patterns with a single detector, we were able to perform high-resolution quantitative volumetric imaging of absorption heterogeneities embedded in optically thick samples. Additionally, a tomographic reconstruction algorithm was implemented on a graphical processor unit to provide optical reconstructions at a frame rate of 2 Hz. The structured illumination method proposed in this work has significant cost advantages over camera systems, as only a single detector is required. This configuration also has the potential to increase frame rate.

Citation Download Citation

Samuel Bélanger, Samuel Bélanger, Maxime Abran, Maxime Abran, Xavier Intes, Xavier Intes, Christian Casanova, Christian Casanova, Frederic Lesage, Frederic Lesage, } "Real-time diffuse optical tomography based on structured illumination," Journal of Biomedical Optics 15(1), 016006 (1 January 2010). https://doi.org/10.1117/1.3290818 . Submission:

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