Ballistic three-dimensional imaging through scattering media based on light field diffuse optical tomography

Woong Jae Baek; Jongchan Park; Liang Gao

doi:10.1117/12.3000588

13 March 2024 Ballistic three-dimensional imaging through scattering media based on light field diffuse optical tomography

Woong Jae Baek, Jongchan Park, Liang Gao

Author Affiliations +

Proceedings Volume PC12857, Computational Optical Imaging and Artificial Intelligence in Biomedical Sciences; PC1285717 (2024) https://doi.org/10.1117/12.3000588
Event: SPIE BiOS, 2024, San Francisco, California, United States

Conference Poster

Abstract

Imaging through a diffusive medium has a wide range of biological and medical applications. However, multiple scattering through a turbid medium distorts the spatiotemporal information of the incident light. We propose a method based on a light field tomography that allows imaging of an object through a turbid medium without requiring any prior knowledge of medium/target or inverting ill-posed diffusion equation. The approach employs ballistic photons via time gating, and maps projections of different angles onto a 1-D detector by using a cylindrical lens array. This ballistic photon measurement along with depth retrieval capacity enables 3D imaging through turbid medium.

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Woong Jae Baek, Jongchan Park, and Liang Gao "Ballistic three-dimensional imaging through scattering media based on light field diffuse optical tomography", Proc. SPIE PC12857, Computational Optical Imaging and Artificial Intelligence in Biomedical Sciences, PC1285717 (13 March 2024); https://doi.org/10.1117/12.3000588

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