期刊
2018 THIRD IEEE/ACM SYMPOSIUM ON EDGE COMPUTING (SEC)
卷 -, 期 -, 页码 90-102出版社
IEEE
DOI: 10.1109/SEC.2018.00014
关键词
Deep Learning; Convolutional Neural Networks; Privacy-Preserving; Differential Privacy
资金
- US National Science Foundation [CNS-1816399, NSFC-61321491, NSFC-61425024, NSFC-61872176, NSFC-61872179]
Deep convolutional neural networks (DNNs) have brought significant performance improvements to face recognition. However the training can hardly be carried out on mobile devices because the training of these models requires much computational power. An individual user with the demand of deriving DNN models from her own datasets usually has to outsource the training procedure onto an edge server. However this outsourcing method violates privacy because it exposes the users' data to curious service providers. In this paper, we utilize the differentially private mechanism to enable the privacy-preserving edge based training of DNN face recognition models. During the training, DNN is split between the user device and the edge server in a way that both private data and model parameters are protected, with only a small cost of local computations. We rigorously prove that our approach is privacy preserving. We finally show that our mechanism is capable of training models in different scenarios, e.g., from scratch, or through fine-tuning over existed models.
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