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Versatile reconstruction framework for diffraction tomography with intensity measurements and multiple scattering

Abstract : Taking benefit from recent advances in both phase retrieval and estimation of refractive indices from holographic measurements, we propose a unified framework to reconstruct them from intensity-only measurements. Our method relies on a generic and versatile formulation of the inverse problem and includes sparsity constraints. Its modularity enables the use of a variety of forward models, from simple linear ones to more sophisticated nonlinear ones, as well as various regularizers. We present reconstructions that deploy either the beam-propagation method or the iterative Lippmann-Schwinger model, combined with total-variation regularization. They suggest that our proposed (intensity-only) method can reach the same performance as reconstructions from holographic (complex) data. This is of particular interest from a practical point of view because it allows one to simplify the acquisition setup.
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https://hal-insu.archives-ouvertes.fr/insu-01690828
Contributor : Ferréol Soulez <>
Submitted on : Tuesday, January 23, 2018 - 2:27:16 PM
Last modification on : Wednesday, October 14, 2020 - 4:19:15 AM
Long-term archiving on: : Thursday, May 24, 2018 - 11:45:33 AM

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  • HAL Id : insu-01690828, version 1

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Thanh-An Pham, Emmanuel Soubies, Alexandre Goy, Joowon Lim, Ferréol Soulez, et al.. Versatile reconstruction framework for diffraction tomography with intensity measurements and multiple scattering. Optics Express, Optical Society of America - OSA Publishing, 2018, 26 (3), pp.2749-2763. ⟨insu-01690828⟩

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