Search Results for author: Odysseas Pappas

Found 5 papers, 0 papers with code

On the Modelling of Ship Wakes in S-Band SAR Images and an Application to Ship Identification

no code implementations6 Feb 2024 Kamirul Kamirul, Odysseas Pappas, Igor G. Rizaev, Alin Achim

We present a novel ship wake simulation system for generating S-band Synthetic Aperture Radar (SAR) images, and demonstrate the use of such imagery for the classification of ships based on their wake signatures via a deep learning approach.

Dielectric Constant

High-resolution Coastline Extraction in SAR Images via MISP-GGD Superpixel Segmentation

no code implementations5 Mar 2022 Odysseas Pappas, Nantheera Anantrasirichai, Byron Adams, Alin Achim

High accuracy coastline/shoreline extraction from SAR imagery is a crucial step in a number of maritime and coastal monitoring applications.

Clustering Image Segmentation +2

Sparse InSAR Data 3D Inpainting for Ground Deformation Detection Along the Rail Corridor

no code implementations4 Mar 2022 Odysseas Pappas, Juliet Biggs, David Bull, Alin Achim, Nantheera Anantrasirichai

Monitoring of ground movement close to the rail corridor, such as that associated with landslips caused by ground subsidence and/or uplift, is of great interest for the detection and prevention of possible railway faults.

3D Inpainting

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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