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Federated learning (FL) has been facilitating privacy-preserving deep learning in many walks of life such as medical image classification, network intrusion detection, and so forth. Whereas it necessitates a central parameter server for…

Machine Learning · Computer Science 2022-03-23 Yuwei Sun , Hideya Ochiai

Data heterogeneity across clients in federated learning (FL) settings is a widely acknowledged challenge. In response, personalized federated learning (PFL) emerged as a framework to curate local models for clients' tasks. In PFL, a common…

Machine Learning · Computer Science 2023-12-27 Yutong Dai , Zeyuan Chen , Junnan Li , Shelby Heinecke , Lichao Sun , Ran Xu

Deep learning is a key approach for the environment perception function of Cooperative Intelligent Transportation Systems (C-ITS) with autonomous vehicles and smart traffic infrastructure. In today's C-ITS, smart traffic participants are…

Machine Learning · Computer Science 2022-07-29 Rui Song , Liguo Zhou , Venkatnarayanan Lakshminarasimhan , Andreas Festag , Alois Knoll

As AI evolves, collaboration among heterogeneous models helps overcome data scarcity by enabling knowledge transfer across institutions and devices. Traditional Federated Learning (FL) only supports homogeneous models, limiting…

Machine Learning · Computer Science 2025-06-05 Jianqing Zhang , Xinghao Wu , Yanbing Zhou , Xiaoting Sun , Qiqi Cai , Yang Liu , Yang Hua , Zhenzhe Zheng , Jian Cao , Qiang Yang

Federated learning has attracted significant attention as a privacy-preserving framework for training personalised models on multi-source heterogeneous data. However, most existing approaches are unable to handle scenarios where subgroup…

Methodology · Statistics 2025-10-14 Changxin Yang , Zhongyi Zhu , Heng Lian

This paper proposes a novel three tier architecture for federated learning to optimize edge computing environments. The proposed architecture addresses the challenges associated with client data heterogeneity and computational constraints.…

Machine Learning · Computer Science 2025-01-09 Satwat Bashir , Tasos Dagiuklas , Kasra Kassai , Muddesar Iqbal

Federated learning is a promising paradigm that allows multiple clients to collaboratively train a model without sharing the local data. However, the presence of heterogeneous devices in federated learning, such as mobile phones and IoT…

Machine Learning · Computer Science 2025-09-03 Kai Zhang , Yutong Dai , Hongyi Wang , Eric Xing , Xun Chen , Lichao Sun

Federated learning (FL) has emerged as a promising approach to training machine learning models across decentralized data sources while preserving data privacy, particularly in manufacturing and shared production environments. However, the…

Machine Learning · Computer Science 2024-08-20 Tatjana Legler , Vinit Hegiste , Ahmed Anwar , Martin Ruskowski

Recently, deep cross-modal hashing has gained increasing attention. However, in many practical cases, data are distributed and cannot be collected due to privacy concerns, which greatly reduces the cross-modal hashing performance on each…

Machine Learning · Computer Science 2022-10-31 Jiale Liu , Yu-Wei Zhan , Xin Luo , Zhen-Duo Chen , Yongxin Wang , Xin-Shun Xu

Federated learning (FL) coordinates multiple devices to collaboratively train a shared model while preserving data privacy. However, large memory footprint and high energy consumption during the training process excludes the low-end devices…

Machine Learning · Computer Science 2024-09-12 Shichen Zhan , Yebo Wu , Chunlin Tian , Yan Zhao , Li Li

Federated Learning (FL) enables collaborative training without centralizing data, essential for privacy compliance in real-world scenarios involving sensitive visual information. Most FL approaches rely on expensive, iterative deep network…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Alejandro Dopico-Castro , Oscar Fontenla-Romero , Bertha Guijarro-Berdiñas , Amparo Alonso-Betanzos , Iván Pérez Digón

Federated learning is a distributed machine learning approach where multiple clients collaboratively train a model without sharing their local data, which contributes to preserving privacy. A challenge in federated learning is managing…

Machine Learning · Computer Science 2025-03-04 Rickard Brännvall

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

Continuous technology scaling and the introduction of advanced technology nodes in Integrated Circuit (IC) fabrication is constantly exposing new manufacturability issues. One such issue, stemming from complex interaction between design and…

Machine Learning · Computer Science 2020-07-14 Gaurav Rajavendra Reddy , Constantinos Xanthopoulos , Yiorgos Makris

Federated learning has shown enormous promise as a way of training ML models in distributed environments while reducing communication costs and protecting data privacy. However, the rise of complex cyber-physical systems, such as the…

Machine Learning · Computer Science 2023-05-01 Omer Rana , Theodoros Spyridopoulos , Nathaniel Hudson , Matt Baughman , Kyle Chard , Ian Foster , Aftab Khan

While Federated Learning (FL) is gaining popularity for training machine learning models in a decentralized fashion, numerous challenges persist, such as asynchronization, computational expenses, data heterogeneity, and gradient and…

Machine Learning · Computer Science 2025-03-13 Chun-Yin Huang , Ruinan Jin , Can Zhao , Daguang Xu , Xiaoxiao Li

This paper presents a novel federated learning solution, QHetFed, suitable for large-scale Internet of Things deployments, addressing the challenges of large geographic span, communication resource limitation, and data heterogeneity.…

Machine Learning · Computer Science 2025-04-08 Seyed Mohammad Azimi-Abarghouyi , Viktoria Fodor

Federated Learning (FL) is a promising distributed machine learning approach that enables collaborative training of a global model using multiple edge devices. The data distributed among the edge devices is highly heterogeneous. Thus, FL…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-16 Ji Liu , Beichen Ma , Qiaolin Yu , Ruoming Jin , Jingbo Zhou , Yang Zhou , Huaiyu Dai , Haixun Wang , Dejing Dou , Patrick Valduriez

A critical challenge of federated learning is data heterogeneity and imbalance across clients, which leads to inconsistency between local networks and unstable convergence of global models. To alleviate the limitations, we propose a novel…

Machine Learning · Computer Science 2022-07-15 Jinkyu Kim , Geeho Kim , Bohyung Han

Federated learning enables collaborative model training across distributed entities while maintaining individual data privacy. A key challenge in federated learning is balancing the personalization of models for local clients with…

Machine Learning · Computer Science 2025-04-07 Wai Fong Tam , Qilei Li , Ahmed M. Abdelmonie