CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging

The personalized federated averaging algorithm integrates a federated averaging approach with a model-agnostic meta-learning technique. In real-world heterogeneous scenarios, it is essential to implement additional privacy protection techniques for personalized federated learning. We propose a novel...

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Main Authors: Wenquan Shen, Shuhui Wu, Yuanhong Tao
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Mathematics
Subjects:
Online Access:https://www.mdpi.com/2227-7390/12/22/3630
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author Wenquan Shen
Shuhui Wu
Yuanhong Tao
author_facet Wenquan Shen
Shuhui Wu
Yuanhong Tao
author_sort Wenquan Shen
collection DOAJ
description The personalized federated averaging algorithm integrates a federated averaging approach with a model-agnostic meta-learning technique. In real-world heterogeneous scenarios, it is essential to implement additional privacy protection techniques for personalized federated learning. We propose a novel differentially private federated meta-learning scheme, CLDP-pFedAvg, which achieves client-level differential privacy guarantees for federated learning involving large heterogeneous clients. The client-level differentially private meta-based FedAvg algorithm enables clients to upload local model parameters for aggregation securely. Furthermore, we provide a convergence analysis of the clipping-enabled differentially private meta-based FedAvg algorithm. The proposed strategy is evaluated across various datasets, and the findings indicate that our approach offers improved privacy protection while maintaining model accuracy.
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spelling doaj-art-9f8a3ff72db94e51bc312c19d72c55ce2025-08-20T02:04:54ZengMDPI AGMathematics2227-73902024-11-011222363010.3390/math12223630CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated AveragingWenquan Shen0Shuhui Wu1Yuanhong Tao2School of Science, Zhejiang University of Science and Technology, Hangzhou 310023, ChinaSchool of Science, Zhejiang University of Science and Technology, Hangzhou 310023, ChinaSchool of Science, Zhejiang University of Science and Technology, Hangzhou 310023, ChinaThe personalized federated averaging algorithm integrates a federated averaging approach with a model-agnostic meta-learning technique. In real-world heterogeneous scenarios, it is essential to implement additional privacy protection techniques for personalized federated learning. We propose a novel differentially private federated meta-learning scheme, CLDP-pFedAvg, which achieves client-level differential privacy guarantees for federated learning involving large heterogeneous clients. The client-level differentially private meta-based FedAvg algorithm enables clients to upload local model parameters for aggregation securely. Furthermore, we provide a convergence analysis of the clipping-enabled differentially private meta-based FedAvg algorithm. The proposed strategy is evaluated across various datasets, and the findings indicate that our approach offers improved privacy protection while maintaining model accuracy.https://www.mdpi.com/2227-7390/12/22/3630personalized federated averagingclient-level differential privacymeta-learning
spellingShingle Wenquan Shen
Shuhui Wu
Yuanhong Tao
CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
Mathematics
personalized federated averaging
client-level differential privacy
meta-learning
title CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
title_full CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
title_fullStr CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
title_full_unstemmed CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
title_short CLDP-pFedAvg: Safeguarding Client Data Privacy in Personalized Federated Averaging
title_sort cldp pfedavg safeguarding client data privacy in personalized federated averaging
topic personalized federated averaging
client-level differential privacy
meta-learning
url https://www.mdpi.com/2227-7390/12/22/3630
work_keys_str_mv AT wenquanshen cldppfedavgsafeguardingclientdataprivacyinpersonalizedfederatedaveraging
AT shuhuiwu cldppfedavgsafeguardingclientdataprivacyinpersonalizedfederatedaveraging
AT yuanhongtao cldppfedavgsafeguardingclientdataprivacyinpersonalizedfederatedaveraging