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Federated Learning (FL) has emerged as a decentralized machine learning technique, allowing clients to train a global model collaboratively without sharing private data. However, most FL studies ignore the crucial challenge of heterogeneous…

Machine Learning · Computer Science 2025-10-02 Huy Q. Le , Ye Lin Tun , Yu Qiao , Minh N. H. Nguyen , Keon Oh Kim , Eui-Nam Huh , Choong Seon Hong

Federated Learning (FL) has recently emerged as a possible way to tackle the domain shift in real-world Semantic Segmentation (SS) without compromising the private nature of the collected data. However, most of the existing works on FL…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Donald Shenaj , Eros Fanì , Marco Toldo , Debora Caldarola , Antonio Tavera , Umberto Michieli , Marco Ciccone , Pietro Zanuttigh , Barbara Caputo

Federated learning (FL) involves multiple distributed devices jointly training a shared model without any of the participants having to reveal their local data to a centralized server. Most of previous FL approaches assume that data on…

Machine Learning · Computer Science 2021-09-02 Yujing Chen , Zheng Chai , Yue Cheng , Huzefa Rangwala

Federated Learning (FL) over wireless network enables data-conscious services by leveraging the ubiquitous intelligence at network edge for privacy-preserving model training. As the proliferation of context-aware services, the diversified…

Machine Learning · Computer Science 2022-02-08 Y. Li , X. Qin , H. Chen , K. Han , P. Zhang

Federated Learning (FL) enables collaborative model training without centralizing data. However, real-world deployments must simultaneously address statistical heterogeneity across client data (non-IID), system heterogeneity in device…

Machine Learning · Computer Science 2026-05-21 Chaimaa Medjadji , Sylvain Kubler , Yves Le Traon , Guilain Leduc , Sadi Alawadi , Feras M. Awaysheh

Federated Learning (FL) offers a promising approach for training clinical AI models without centralizing sensitive patient data. However, its real-world adoption is hindered by challenges related to privacy, resource constraints, and…

Federated learning enables multiple actors to collaboratively train models without sharing private data. Existing algorithms are successful and well-justified in this task when the intended target domain, where the trained model will be…

Machine Learning · Computer Science 2025-08-27 Edvin Listo Zec , Adam Breitholtz , Fredrik D. Johansson

Federated learning benefits from cross-training strategies, which enables models to train on data from distinct sources to improve generalization capability. However, due to inherent differences in data distributions, the optimization goals…

Artificial Intelligence · Computer Science 2025-09-17 Zhuang Qi , Lei Meng , Ruohan Zhang , Yu Wang , Xin Qi , Xiangxu Meng , Han Yu , Qiang Yang

Federated Learning (FL) has become an established technique to facilitate privacy-preserving collaborative training across a multitude of clients. However, new approaches to FL often discuss their contributions involving small deep-learning…

Machine Learning · Computer Science 2026-05-05 Herbert Woisetschläger , Alexander Isenko , Shiqiang Wang , Ruben Mayer , Hans-Arno Jacobsen

Federated learning (FL) is a distributed machine learning framework where the global model of a central server is trained via multiple collaborative steps by participating clients without sharing their data. While being a flexible…

Machine Learning · Computer Science 2024-05-03 Junhyung Lyle Kim , Mohammad Taha Toghani , César A. Uribe , Anastasios Kyrillidis

Concerned with user data privacy, this paper presents a new federated learning (FL) method that trains machine learning models on edge devices without accessing sensitive data. Traditional FL methods, although privacy-protective, fail to…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-03 Duy Phuong Nguyen , Sixing Yu , J. Pablo Muñoz , Ali Jannesari

Learning an effective global model on private and decentralized datasets has become an increasingly important challenge of machine learning when applied in practice. Existing distributed learning paradigms, such as Federated Learning,…

Machine Learning · Computer Science 2023-06-05 Tengfei Ma , Trong Nghia Hoang , Jie Chen

Federated learning (FL) enables edge-devices to collaboratively learn a model without disclosing their private data to a central aggregating server. Most existing FL algorithms require models of identical architecture to be deployed across…

Machine Learning · Computer Science 2022-04-28 Yae Jee Cho , Andre Manoel , Gauri Joshi , Robert Sim , Dimitrios Dimitriadis

Federated learning (FL) is an emerging technique used to collaboratively train a global machine learning model while keeping the data localized on the user devices. The main obstacle to FL's practical implementation is the Non-Independent…

Machine Learning · Computer Science 2022-08-01 Hiep Nguyen , Lam Phan , Harikrishna Warrier , Yogesh Gupta

Federated learning (FL) is a distributed training paradigm that enables collaborative learning across clients without sharing local data, thereby preserving privacy. However, the increasing scale and complexity of modern deep models often…

Machine Learning · Computer Science 2025-05-20 Honggu Kang , Seohyeon Cha , Joonhyuk Kang

Federated learning often suffers from slow and unstable convergence due to the heterogeneous characteristics of participating client datasets. Such a tendency is aggravated when the client participation ratio is low since the information…

Machine Learning · Computer Science 2024-04-02 Geeho Kim , Jinkyu Kim , Bohyung Han

With the wealth of information produced by social networks, smartphones, medical or financial applications, speculations have been raised about the sensitivity of such data in terms of users' personal privacy and data security. To address…

Machine Learning · Computer Science 2019-08-21 Vito Walter Anelli , Yashar Deldjoo , Tommaso Di Noia , Antonio Ferrara

Federated learning (FL) is emerging as a new paradigm to train machine learning models in distributed systems. Rather than sharing, and disclosing, the training dataset with the server, the model parameters (e.g. neural networks weights and…

Signal Processing · Electrical Eng. & Systems 2020-05-27 Stefano Savazzi , Monica Nicoli , Vittorio Rampa

The Federated Learning (FL) paradigm is known to face challenges under heterogeneous client data. Local training on non-iid distributed data results in deflected local optimum, which causes the client models drift further away from each…

Machine Learning · Computer Science 2022-11-22 Renjie Pi , Weizhong Zhang , Yueqi Xie , Jiahui Gao , Xiaoyu Wang , Sunghun Kim , Qifeng Chen

The heterogeneity of hardware and data is a well-known and studied problem in the community of Federated Learning (FL) as running under heterogeneous settings. Recently, custom-size client models trained with Knowledge Distillation (KD) has…

Machine Learning · Computer Science 2022-11-15 Hongrui Shi , Valentin Radu , Po Yang
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