A Hybrid Convolutional Neural Network and Support Vector Machine-Based Credit Card Fraud Detection Model

Tesfahun Berhane, Tamiru Melese, Assaye Walelign, Abdu Mohammed and Rafal Zdunek

Mathematical Problems in Engineering, 2023, vol. 2023, 1-10

Abstract: Credit card fraud is a common occurrence in today’s society because the majority of us use credit cards as a form of payment more frequently. This is the outcome of developments in technology and an increase in online transactions, which have given rise to frauds that have caused significant financial losses. In order to detect fraud in credit card transactions, efficient and effective approaches are needed. In this study, we developed a hybrid CNN-SVM model for detecting fraud in credit card transactions. The effectiveness of our suggested hybrid CNN-SVM model for detecting fraud in credit card transactions was tested using real-world public credit card transaction data. The architecture of our hybrid CNN-SVM model was developed by replacing the final output layer of the CNN model with an SVM classifier. The first classifier is a fully connected layer with softmax that is trained using an end-to-end approach, whereas the second classifier is a support vector machine that is piled on top by deleting the final fully connected and softmax layer. According to experimental results, our hybrid CNN-SVM model produced classification performances with accuracy, precision, recall, F1-score, and AUC of 91.08%, 90.50%, 90.34%, 90.41, and 91.05%, respectively.

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:8134627

DOI: 10.1155/2023/8134627

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