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Article Dans Une Revue SIAM Journal on Imaging Sciences Année : 2020

High-Resolution Interferometric Synthetic Aperture Imaging in Scattering Media

Résumé

The goal of synthetic aperture imaging is to estimate the reflectivity of a remoteregion of interest by processing data gathered with a moving sensor which emits periodically a signaland records the backscattered wave. We introduce and analyze a high-resolution interferometric method for synthetic aperture imaging through an unknown scattering medium which distorts thewave. The method builds on the coherent interferometric (CINT) approach which uses empiricalcross-correlations of the measurements to mitigate the distortion, at the expense of a loss of resolutionof the image. The new method shows that, while mitigating the wave distortion, it is possible toobtain a robust and sharp estimate of the modulus of the Fourier transform of the reflectivity function.A high-resolution image can then be obtained by a phase retrieval algorithm.

Dates et versions

hal-03147601 , version 1 (20-02-2021)

Identifiants

Citer

Liliana Borcea, Josselin Garnier. High-Resolution Interferometric Synthetic Aperture Imaging in Scattering Media. SIAM Journal on Imaging Sciences, 2020, 13 (1), pp.291-316. ⟨10.1137/19M1272470⟩. ⟨hal-03147601⟩
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