Gated attention based generative adversarial networks for imbalanced credit card fraud detection

Credit card fraud detection is highly important to maintain financial security. However, it is challenging to train suitable models due to the class imbalance in credit card transaction data. To address this issue, this work proposes a novel deep learning framework, gated attention-based generative...

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Main Authors: Jiangmeng Ge, Lanxiang Yin, Shiqing Zhang, Xiaoming Zhao
Format: Article
Language:English
Published: PeerJ Inc. 2025-06-01
Series:PeerJ Computer Science
Subjects:
Online Access:https://peerj.com/articles/cs-2972.pdf
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author Jiangmeng Ge
Lanxiang Yin
Shiqing Zhang
Xiaoming Zhao
author_facet Jiangmeng Ge
Lanxiang Yin
Shiqing Zhang
Xiaoming Zhao
author_sort Jiangmeng Ge
collection DOAJ
description Credit card fraud detection is highly important to maintain financial security. However, it is challenging to train suitable models due to the class imbalance in credit card transaction data. To address this issue, this work proposes a novel deep learning framework, gated attention-based generative adversarial networks (GA-GAN) for credit card fraud detection in class-imbalanced data. GA-GAN integrates GAN and the gated attention mechanism to generate high-quality synthetic data that realistically simulates fraudulent behaviors. Experimental results on two public credit card datasets demonstrate that GA-GAN outperforms state-of-the-art methods on credit card fraud detection tasks in class-imbalanced data, indicating the advantage of GA-GAN. The code is publicly available at https://github.com/Gejiangmeng/gagan/tree/main.
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institution OA Journals
issn 2376-5992
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series PeerJ Computer Science
spelling doaj-art-e529ff02bbaf4af8ae2742d9169148712025-08-20T02:37:30ZengPeerJ Inc.PeerJ Computer Science2376-59922025-06-0111e297210.7717/peerj-cs.2972Gated attention based generative adversarial networks for imbalanced credit card fraud detectionJiangmeng Ge0Lanxiang Yin1Shiqing Zhang2Xiaoming Zhao3Institute of Intelligent Information Processing, Taizhou University, Taizhou, Zhejiang, ChinaSchool of Business, Taizhou University, Taizhou, Zhejiang, ChinaInstitute of Intelligent Information Processing, Taizhou University, Taizhou, Zhejiang, ChinaInstitute of Intelligent Information Processing, Taizhou University, Taizhou, Zhejiang, ChinaCredit card fraud detection is highly important to maintain financial security. However, it is challenging to train suitable models due to the class imbalance in credit card transaction data. To address this issue, this work proposes a novel deep learning framework, gated attention-based generative adversarial networks (GA-GAN) for credit card fraud detection in class-imbalanced data. GA-GAN integrates GAN and the gated attention mechanism to generate high-quality synthetic data that realistically simulates fraudulent behaviors. Experimental results on two public credit card datasets demonstrate that GA-GAN outperforms state-of-the-art methods on credit card fraud detection tasks in class-imbalanced data, indicating the advantage of GA-GAN. The code is publicly available at https://github.com/Gejiangmeng/gagan/tree/main.https://peerj.com/articles/cs-2972.pdfCredit card fraud detectionDeep learningGenerative adversarial networksAttention mechanismClass imbalance
spellingShingle Jiangmeng Ge
Lanxiang Yin
Shiqing Zhang
Xiaoming Zhao
Gated attention based generative adversarial networks for imbalanced credit card fraud detection
PeerJ Computer Science
Credit card fraud detection
Deep learning
Generative adversarial networks
Attention mechanism
Class imbalance
title Gated attention based generative adversarial networks for imbalanced credit card fraud detection
title_full Gated attention based generative adversarial networks for imbalanced credit card fraud detection
title_fullStr Gated attention based generative adversarial networks for imbalanced credit card fraud detection
title_full_unstemmed Gated attention based generative adversarial networks for imbalanced credit card fraud detection
title_short Gated attention based generative adversarial networks for imbalanced credit card fraud detection
title_sort gated attention based generative adversarial networks for imbalanced credit card fraud detection
topic Credit card fraud detection
Deep learning
Generative adversarial networks
Attention mechanism
Class imbalance
url https://peerj.com/articles/cs-2972.pdf
work_keys_str_mv AT jiangmengge gatedattentionbasedgenerativeadversarialnetworksforimbalancedcreditcardfrauddetection
AT lanxiangyin gatedattentionbasedgenerativeadversarialnetworksforimbalancedcreditcardfrauddetection
AT shiqingzhang gatedattentionbasedgenerativeadversarialnetworksforimbalancedcreditcardfrauddetection
AT xiaomingzhao gatedattentionbasedgenerativeadversarialnetworksforimbalancedcreditcardfrauddetection