Combined Time-Depth Conversion Applied to the Reconstruction of Buried Cavities

In this contribution we propose a time-depth conversion method accounting for the occurrence of a not constant signal propagation velocity in the investigated scenario. In particular, we will consider simulated data referred to a scenario with a large cavity and provide results showing the available...

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Bibliographic Details
Main Authors: Persico, Raffaele, Esposito, Giuseppe, Catapano, Ilaria, Morelli, Gianfranco
Format: Conference Proceeding
Language:English
Subjects:
cavities
Conferences
Focusing
GPR imaging
Ground penetrating radar
Image reconstruction
Iterative algorithms
Radar imaging
Scattering
Online Access:Request full text
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Summary:In this contribution we propose a time-depth conversion method accounting for the occurrence of a not constant signal propagation velocity in the investigated scenario. In particular, we will consider simulated data referred to a scenario with a large cavity and provide results showing the available improvement in imaging it. The method is not rigorous from a mathematical point of view but it is promising especially in presence of strong and large scattering targets. These anomalies might hinder the convergence of iterative focusing algorithms. In addition, a migration algorithm might not provide satisfying results due to nonlinear effects and due to some side-effects of the pre-processing (meant here as the processing steps before the migration) performed on the data.
ISSN:2687-7899
DOI:10.1109/IWAGPR57138.2023.10328987