An adaptive scheme for diffuse-optical tomography based on combined structured-light illumination and single-pixel camera detection

Andrea Farina; Marta Betcke; Andrea Bassi; Gianluca Valentini; Simon Arridge; Cosimo D'Andrea

doi:10.1117/12.2527689

11 July 2019 An adaptive scheme for diffuse-optical tomography based on combined structured-light illumination and single-pixel camera detection

Andrea Farina, Marta Betcke, Andrea Bassi, Gianluca Valentini, Simon Arridge, Cosimo D'Andrea

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Proceedings Volume 11074, Diffuse Optical Spectroscopy and Imaging VII; 110742I (2019) https://doi.org/10.1117/12.2527689
Event: European Conferences on Biomedical Optics, 2019, Munich, Germany

Abstract

Diffuse Optical Tomography (DOT) is a tool for 3D reconstruction of absorption and scattering inside a tissue. Typically, this method requires a dense distribution of sources and detectors, thus hampering the possibility of fully exploring a time-resolved detection. Recently, techniques based on structured-light illumination and compressing detection have been developed, opening the possibility of fully exploiting a source/detector spatial modulation for compression at the measurement stage. Here we propose a combined Continuous-Wave (CW) and time-domain (TD) adaptive scheme based on the singular-value decomposition (SVD) for optimal-patterns calculation. Patterns are firstly computed based on a fast acquisition via a CCD, and consequently projected for time-resolved measurements.

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Andrea Farina, Marta Betcke, Andrea Bassi, Gianluca Valentini, Simon Arridge, and Cosimo D'Andrea "An adaptive scheme for diffuse-optical tomography based on combined structured-light illumination and single-pixel camera detection", Proc. SPIE 11074, Diffuse Optical Spectroscopy and Imaging VII, 110742I (11 July 2019); https://doi.org/10.1117/12.2527689

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KEYWORDS

Digital micromirror devices

Mirrors

Cameras

Diffuse optical tomography

Tomography

Absorption

Charge-coupled devices

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