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Three-Dimensional Optical Diffraction Tomography with Lippmann-Schwinger Model

T.-a. Pham, E. Soubies, A. Ayoub, J. Lim, D. Psaltis, M. Unser

IEEE Transactions on Computational Imaging, vol. 6, pp. 727-738, 2020.

A broad class of imaging modalities involve the resolution of an inverse-scattering problem. Among them, three-dimensional optical diffraction tomography (ODT) comes with its own challenges. These include a limited range of views, a large size of the sample with respect to the illumination wavelength, and optical aberrations that are inherent to the system itself. In this work, we present an accurate and efficient implementation of the forward model. It relies on the exact (nonlinear) Lippmann-Schwinger equation. We address several crucial issues such as the discretization of the Green function, the computation of the far field, and the estimation of the incident field. We then deploy this model in a regularized variational-reconstruction framework and show on both simulated and real data that it leads to substantially better reconstructions than the approximate models that are traditionally used in ODT.

AUTHOR="Pham, T.-a. and Soubies, E. and Ayoub, A. and Lim, J. and
        Psaltis, D. and Unser, M.",
TITLE="Three-Dimensional Optical Diffraction Tomography with
        {L}ippmann-{S}chwinger Model",
JOURNAL="{IEEE} Transactions on Computational Imaging",

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