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| Regularization Optimization Algorithm for Heterogeneous Data FederatedLearning Model Based on Structure Enhancement |
| ZHANG Min1,2, LIANG Meiyu1,2, XUE Zhe1,2, GUAN Zeli1,2, PAN Zhenhui1,2, ZHAO Zehua1,2 |
1. School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876;
2. Beijing Key Laboratory of Intelligent Telecommunication Software and Multimedia, Beijing University of Posts and Telecommunications, Beijing 100876 |
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Abstract In federated learning, due to the heterogeneous distribution of local data among different clients, the optimization objectives of client models trained on local datasets are inconsistent with the global model, leading to client drift and affecting the performance of global model. To address the issue of performance decline or even divergence in federated learning models caused by non-independently and identically distributed data, a regularization optimization algorithm for heterogeneous data federated learning model based on structure enhancement(FedSER) is proposed from the perspective of the generality of local models. While training on local data with heterogeneous distributions, clients sample subnetworks in a structured manner. Local data of client are augmented, and different subnetworks are trained with the augmented data to learn enhanced representations, resulting in more generalized client network models. The models counteract the client drift caused by the heterogeneity of local data and achieve a better global model in federated aggregation. Extensive experiments on the CIFAR-10, CIFAR-100 and ImageNet-200 datasets demonstrate the superior performance of FedSER.
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Received: 13 July 2023
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| Fund:National Natural Science Foundation of China(No.62192784,U22B2038,62172056,62272058), CAAI-Huawei Mind-Spore Open Fund(No.CAAIXSJLJJ-2021-007B) |
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Corresponding Authors:
LIANG Meiyu, Ph.D., professor. Her research interests include artificial intelligence, data mining, multimedia information processing and computer vision.
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| About author:: ZHANG Min, master student. Her research interests include federated learning.XUE Zhe, Ph.D., associate professor. His research interests include machine learning, data mining, multimodal/multi-view learning and emergency detection and analysis. GUAN Zeli, Ph.D. candidate. His research interests include federated learning, graph neu-ral network and machine learning.PAN Zhenhui, Ph.D. candidate. His research interests include federated learning and machine learning.ZHAO Zehua, master student. His research interests include efficient communication in federated learning. |
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2023, Vol. 36 
