Search Results for author: Zi-Yao Zhang

Found 2 papers, 0 papers with code

Sparse regularization with a non-convex penalty for SAR imaging and autofocusing

no code implementations22 Aug 2021 Zi-Yao Zhang, Odysseas Pappas, Igor G. Rizaev, Alin Achim

In this paper, SAR image reconstruction with joint phase error estimation (autofocusing) is formulated as an inverse problem.

Image Reconstruction

SAR Image Autofocusing using Wirtinger calculus and Cauchy regularization

no code implementations17 Dec 2020 Zi-Yao Zhang, Odysseas Pappas, Alin Achim

In this paper, an optimization model using Cauchy regularization is proposed for simultaneous SAR image reconstruction and autofocusing.

Image Reconstruction

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