Research on Deep Learning-Based Authentication Methods for E-Signature Verification in Financial Documents

Authors

  • Yining Zhang University of Southern California
  • Wenyu Bi University of Southern California
  • Runze Song California State University

DOI:

https://doi.org/10.5281/zenodo.14161744

ARK:

https://n2t.net/ark:/40704/AJSM.v2n6a06

Disciplines:

Finance

Subjects:

Financial Risk Management

References:

33

Keywords:

Financial Risk Management, Electronic Signature Verification, Deep Learning, Siamese Neural Network, Financial Document Security

Abstract

This paper presents a novel deep learning-based authentication method for electronic signature verification in financial documents. The proposed system introduces a comprehensive framework integrating YOLOv5-based signature detection, advanced preprocessing techniques, and a Siamese neural network architecture for verification. The system employs a customized feature extraction network incorporating residual connections and attention mechanisms to capture local and global signature characteristics. The implementation includes adaptive preprocessing pipelines and sophisticated loss functions optimized for signature verification tasks. Experimental evaluation on a dataset of 25,000 signature samples from 500 individuals demonstrates superior performance, achieving 98.5% accuracy in verification tasks with a false acceptance rate of 1.2% and a false rejection rate of 1.5%. The system maintains robust performance across various document conditions, demonstrating only a 4.2% accuracy reduction under poor resolution scenarios. Security analysis validates system resilience against adversarial attacks, achieving a 96.5% detection rate. The comprehensive evaluation demonstrates significant improvements over existing accuracy and computational efficiency methods, establishing new benchmarks for signature verification in financial applications. The proposed methodology addresses critical challenges in financial document security while maintaining practical applicability in real-world environments.

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Author Biographies

Yining Zhang, University of Southern California

Applied Data Science, University of Southern California, CA, USA.

Wenyu Bi, University of Southern California

Science in Applied Economics and Econometrics, University of Southern California, CA, USA.

Runze Song, California State University

Information System & Technology Data Analytics, California State University, CA, USA.

References

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Published

2024-11-16

How to Cite

Zhang, Y., Bi, W., & Song, R. (2024). Research on Deep Learning-Based Authentication Methods for E-Signature Verification in Financial Documents. Academic Journal of Sociology and Management, 2(6), 35–43. https://doi.org/10.5281/zenodo.14161744

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