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In federated learning (FL), clients may have diverse objectives, and merging all clients' knowledge into one global model will cause negative transfer to local performance. Thus, clustered FL is proposed to group similar clients into…

Artificial Intelligence · Computer Science 2022-11-22 Zexi Li , Jiaxun Lu , Shuang Luo , Didi Zhu , Yunfeng Shao , Yinchuan Li , Zhimeng Zhang , Yongheng Wang , Chao Wu

Federated learning (FL) can help promote data privacy by training a shared model in a de-centralized manner on the physical devices of clients. In the presence of highly heterogeneous distributions of local data, personalized FL strategy…

Machine Learning · Statistics 2022-10-12 Zhe Liu , Yue Hui , Fuchun Peng

Federated Learning (FL) is gaining popularity as a distributed learning framework that only shares model parameters or gradient updates and keeps private data locally. However, FL is at risk of privacy leakage caused by privacy inference…

Machine Learning · Computer Science 2024-09-17 Kangyang Luo , Shuai Wang , Xiang Li , Yunshi Lan , Ming Gao , Jinlong Shu

Federated learning (FL) is a system in which a central aggregator coordinates the efforts of multiple clients to solve machine learning problems. This setting allows training data to be dispersed in order to protect privacy. The purpose of…

Machine Learning · Computer Science 2022-06-27 Subrato Bharati , M. Rubaiyat Hossain Mondal , Prajoy Podder , V. B. Surya Prasath

Federated learning (FL) is recently surging as a promising decentralized deep learning (DL) framework that enables DL-based approaches trained collaboratively across clients without sharing private data. However, in the context of the…

Machine Learning · Computer Science 2023-02-24 Van-Tuan Tran , Huy-Hieu Pham , Kok-Seng Wong

In the age of data-driven decision making, preserving privacy while providing personalized experiences has become paramount. Personalized Federated Learning (PFL) offers a promising framework by decentralizing the learning process, thus…

Machine Learning · Computer Science 2025-01-31 Kevin Cooper , Michael Geller

The scarcity of accessible, compliant, and ethically sourced data presents a considerable challenge to the adoption of artificial intelligence (AI) in sensitive fields like healthcare, finance, and biomedical research. Furthermore, access…

Machine Learning · Computer Science 2025-04-02 Kumar Kshitij Patel , Weitong Zhang , Lingxiao Wang

Federated learning enables distributed clients to collaborate on training while storing their data locally to protect client privacy. However, due to the heterogeneity of data, models, and devices, the final global model may need to perform…

Machine Learning · Computer Science 2024-06-25 Wolong Xing , Zhenkui Shi , Hongyan Peng , Xiantao Hu , Xianxian Li

Federated learning (FL) is a trending training paradigm to utilize decentralized training data. FL allows clients to update model parameters locally for several epochs, then share them to a global model for aggregation. This training…

Machine Learning · Computer Science 2022-08-09 Xiaoxiao Li , Zhao Song , Jiaming Yang

The growing public concerns on data privacy in face recognition can be greatly addressed by the federated learning (FL) paradigm. However, conventional FL methods perform poorly due to the uniqueness of the task: broadcasting class centers…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Qiang Meng , Feng Zhou , Hainan Ren , Tianshu Feng , Guochao Liu , Yuanqing Lin

Federated learning (FL) enables training of a global model while keeping raw data on end-devices. Despite this, FL has shown to leak private user information and thus in practice, it is often coupled with methods such as differential…

Machine Learning · Computer Science 2026-04-23 Jie Xu , Haaris Mehmood , Rogier Van Dalen , Karthikeyan Saravanan , Mete Ozay

Federated Learning (FL) has emerged as a compelling paradigm for privacy-preserving distributed machine learning, allowing multiple clients to collaboratively train a global model by transmitting locally computed gradients to a central…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Hao Fang , Wenbo Yu , Bin Chen , Xuan Wang , Shu-Tao Xia , Qing Liao , Ke Xu

Graph learning has a wide range of applications in many scenarios, which require more need for data privacy. Federated learning is an emerging distributed machine learning approach that leverages data from individual devices or data centers…

Machine Learning · Computer Science 2023-07-20 Peilin Liu , Yanni Tang , Mingyue Zhang , Wu Chen

This study investigates clustered federated learning (FL), one of the formulations of FL with non-i.i.d. data, where the devices are partitioned into clusters and each cluster optimally fits its data with a localized model. We propose a…

Machine Learning · Computer Science 2023-12-27 Xue Yu , Ziyi Liu , Wu Wang , Yifan Sun

Federated Learning (FL) is a machine learning paradigm where local nodes collaboratively train a central model while the training data remains decentralized. Existing FL methods typically share model parameters or employ co-distillation to…

Cryptography and Security · Computer Science 2022-09-13 Xuan Gong , Abhishek Sharma , Srikrishna Karanam , Ziyan Wu , Terrence Chen , David Doermann , Arun Innanje

Federated clustering, an essential extension of centralized clustering for federated scenarios, enables multiple data-holding clients to collaboratively group data while keeping their data locally. In centralized scenarios, clustering…

Machine Learning · Computer Science 2025-06-03 Jing Liu , Jie Yan , Zhong-Yuan Zhang

Federated learning (FL), a novel branch of distributed machine learning (ML), develops global models through a private procedure without direct access to local datasets. However, it is still possible to access the model updates (gradient…

Machine Learning · Computer Science 2024-06-27 Mahtab Talaei , Iman Izadi

Federated learning (FL), as a type of collaborative machine learning framework, is capable of preserving private data from mobile terminals (MTs) while training the data into useful models. Nevertheless, from a viewpoint of information…

Machine Learning · Computer Science 2021-02-01 Kang Wei , Jun Li , Ming Ding , Chuan Ma , Hang Su , Bo Zhang , H. Vincent Poor

Statistical heterogeneity across clients in a Federated Learning (FL) system increases the algorithm convergence time and reduces the generalization performance, resulting in a large communication overhead in return for a poor model. To…

Machine Learning · Computer Science 2023-04-26 Mohamad Mestoukirdi , Matteo Zecchin , David Gesbert , Qianrui Li

Generative adversarial networks (GANs) are emerging machine learning models for generating synthesized data similar to real data by jointly training a generator and a discriminator. In many applications, data and computational resources are…

Machine Learning · Computer Science 2021-07-20 Jinke Ren , Chonghe Liu , Guanding Yu , Dongning Guo
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