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Synthetic SAR Data Generator Using Pix2pix cGAN Architecture for Automatic Target Recognition
Aeronaut Inst Technol ITA, Brazil.
Aeronaut Inst Technol ITA, Brazil.
Blekinge Institute of Technology, Faculty of Engineering, Department of Mathematics and Natural Sciences.ORCID iD: 0000-0002-6643-312X
2023 (English)In: IEEE Access, E-ISSN 2169-3536, Vol. 11, p. 143369-143386Article in journal (Refereed) Published
Abstract [en]

Synthetic Aperture Radar (SAR) technology has unique advantages but faces challenges in obtaining enough data for noncooperative target classes. We propose a method to generate synthetic SAR data using a modified pix2pix Conditional Generative Adversarial Networks (cGAN) architecture. The cGAN is trained to create synthetic SAR images with specific azimuth and elevation angles, demonstrating its capability to closely mimic authentic SAR imagery through convergence and collapsing analyses. The study uses a model-based algorithm to assess the practicality of the generated synthetic data for Automatic Target Recognition (ATR). The results reveal that the classification accuracy achieved with synthetic data is comparable to that attained with original data, highlighting the effectiveness of the proposed method in mitigating the limitations imposed by noncooperative SAR data scarcity for ATR. This innovative approach offers a promising solution to craft customized synthetic SAR data, ultimately enhancing ATR performance in remote sensing.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2023. Vol. 11, p. 143369-143386
Keywords [en]
Automatic target recognition, classification, conditional generative adversarial networks, data augmentation, Pix2Pix, synthetic aperture radar, synthetic data
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-25862DOI: 10.1109/ACCESS.2023.3343910ISI: 001127093100001Scopus ID: 2-s2.0-85181053299OAI: oai:DiVA.org:bth-25862DiVA, id: diva2:1824345
Available from: 2024-01-05 Created: 2024-01-05 Last updated: 2024-01-12Bibliographically approved

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Pettersson, Mats

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