Privacy-Enhanced Federated Generative Adversarial Networks for Internet of Things
- Authors
- Zeng, Qingkui; Zhou, Liwen; Lian, Zhuotao; Huang, Huakun; Kim, Jung Yoon
- Issue Date
- Nov-2022
- Publisher
- OXFORD UNIV PRESS
- Keywords
- Privacy Protection; Internet of Things; Federated Learning; Differential Privacy; Generative Adversarial Networks
- Citation
- COMPUTER JOURNAL, v.65, no.11, pp.2860 - 2869
- Journal Title
- COMPUTER JOURNAL
- Volume
- 65
- Number
- 11
- Start Page
- 2860
- End Page
- 2869
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/86236
- DOI
- 10.1093/comjnl/bxac060
- ISSN
- 0010-4620
- Abstract
- Federated generative adversarial networks are designed to collaborate across the communication and privacy-constrained edge servers participating in training. However, in the Internet of Things scenario, local updates uploaded by edge servers can lead to the risk of privacy breaches. Gradient-sanitized-based approaches can transmit sanitized sensitive data with strict privacy guarantees, but gradient clipping and perturbation severely degrade convergence performance. In this paper, our proposed algorithm enhances the privacy of terminated raw data through differential privacy before it is transmitted to the edge server. The edge server trains the local generator and discriminator using the perturbed data, which provides privacy guarantees for the gradient attack on the FedGAN without compromising the gradient accuracy. The results of the experimental evaluation show that the algorithm generates images with slightly better quality than that generated by the gradient-sanitized-based approaches while maintaining privacy.
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