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Federated Learning (FL) confronts a significant challenge known as data heterogeneity, which impairs model performance and convergence. Existing methods have made notable progress in addressing this issue. However, improving performance in…

Machine Learning · Computer Science 2025-10-24 Zhiqin Yang , Yonggang Zhang , Chenxin Li , Yiu-ming Cheung , Bo Han , Yixuan Yuan

Machine learning in medical research, by nature, needs careful attention on obeying the regulations of data privacy, making it difficult to train a machine learning model over gathered data from different medical centers. Failure of…

Machine Learning · Computer Science 2021-10-19 Jun Luo , Shandong Wu

Federated learning (FL) is a privacy-preserving machine learning method that has been proposed to allow training of models using data from many different clients, without these clients having to transfer all their data to a central server.…

Sound · Computer Science 2021-05-19 Marc C. Green , Mark D. Plumbley

Federated Learning (FL) has emerged as a promising solution to perform deep learning on different data owners without exchanging raw data. However, non-IID data has been a key challenge in FL, which could significantly degrade the accuracy…

Machine Learning · Computer Science 2023-12-19 Yiqun Diao , Qinbin Li , Bingsheng He

Federated Learning (FL) allows training machine learning models in privacy-constrained scenarios by enabling the cooperation of edge devices without requiring local data sharing. This approach raises several challenges due to the different…

Machine Learning · Computer Science 2022-12-02 Riccardo Zaccone , Andrea Rizzardi , Debora Caldarola , Marco Ciccone , Barbara Caputo

Federated Learning (FL) enables collaborative model training without sharing raw data but suffers from limited scalability, high communication costs, and privacy risks due to its centralized architecture. This paper proposes FedSelect-ME, a…

Cryptography and Security · Computer Science 2025-11-05 Hanie Vatani , Reza Ebrahimi Atani

As a promising distributed machine learning paradigm, Federated Learning (FL) enables all the involved devices to train a global model collaboratively without exposing their local data privacy. However, for non-IID scenarios, the…

Machine Learning · Computer Science 2022-02-28 Ming Hu , Tian Liu , Zhiwei Ling , Zhihao Yue , Mingsong Chen

Federated Learning (FL) enables large-scale distributed training of machine learning models, while still allowing individual nodes to maintain data locally. However, executing FL at scale comes with inherent practical challenges: 1)…

Machine Learning · Computer Science 2025-05-23 Hossein Zakerinia , Shayan Talaei , Giorgi Nadiradze , Dan Alistarh

Federated learning (FL) has emerged as a promising paradigm for privacy-preserving distributed machine learning, but faces challenges with heterogeneous data distributions across clients. This paper presents FedSat, a novel FL approach…

Machine Learning · Computer Science 2024-12-31 Sujit Chowdhury , Raju Halder

Federated learning is a communication-efficient training process that alternates between local training at the edge devices and averaging the updated local model at the central server. Nevertheless, it is impractical to achieve a perfect…

Machine Learning · Computer Science 2019-11-04 Fan Ang , Li Chen , Nan Zhao , Yunfei Chen , Weidong Wang , F. Richard Yu

Federated Learning (FL) allows collaborative training while ensuring data privacy across distributed edge devices, making it a popular solution for privacy-sensitive applications. However, FL faces significant challenges due to statistical…

Machine Learning · Computer Science 2025-05-16 Huy Q. Le , Latif U. Khan , Choong Seon Hong

Noisy labels in distributed datasets induce severe local overfitting and consequently compromise the global model in federated learning (FL). Most existing solutions rely on selecting clean devices or aligning with public clean datasets,…

Machine Learning · Computer Science 2026-03-05 Xiangyu Zhong , Xiaojun Yuan , Ying-Jun Angela Zhang

Federated learning (FL) aims at training a global model on the server side while the training data are collected and located at the local devices. Hence, the labels in practice are usually annotated by clients of varying expertise or…

Machine Learning · Computer Science 2022-05-23 Zhuowei Wang , Tianyi Zhou , Guodong Long , Bo Han , Jing Jiang

In the pursuit of refining precise perception models for fully autonomous driving, continual online model training becomes essential. Federated Learning (FL) within vehicular networks offers an efficient mechanism for model training while…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Ahmad Khalil , Tizian Dege , Pegah Golchin , Rostyslav Olshevskyi , Antonio Fernandez Anta , Tobias Meuser

Standard acoustic event classification (AEC) solutions require large-scale collection of data from client devices for model optimization. Federated learning (FL) is a compelling framework that decouples data collection and model training to…

Sound · Computer Science 2022-03-24 Meng Feng , Chieh-Chi Kao , Qingming Tang , Ming Sun , Viktor Rozgic , Spyros Matsoukas , Chao Wang

Federated learning (FL) is a distributed learning paradigm that facilitates collaborative training of a shared global model across devices while keeping data localized. The deployment of FL in numerous real-world applications faces delays,…

Machine Learning · Computer Science 2024-02-16 Xinchi Qiu , Yan Gao , Lorenzo Sani , Heng Pan , Wanru Zhao , Pedro P. B. Gusmao , Mina Alibeigi , Alex Iacob , Nicholas D. Lane

Federated learning (FL) systems are susceptible to attacks from malicious actors who might attempt to corrupt the training model through various poisoning attacks. FL also poses new challenges in addressing group bias, such as ensuring fair…

Machine Learning · Computer Science 2023-06-08 Viktor Valadi , Xinchi Qiu , Pedro Porto Buarque de Gusmão , Nicholas D. Lane , Mina Alibeigi

Federated learning (FL) allows multiple clients to collectively train a high-performance global model without sharing their private data. However, the key challenge in federated learning is that the clients have significant statistical…

Machine Learning · Computer Science 2022-03-23 Liang Gao , Huazhu Fu , Li Li , Yingwen Chen , Ming Xu , Cheng-Zhong Xu

Federated Learning (FL) enables decentralized model training across multiple parties while preserving privacy. However, most FL systems assume clients hold only unimodal data, limiting their real-world applicability, as institutions often…

Machine Learning · Computer Science 2025-04-17 Yu Zhang , Qingfeng Du , Jiaqi Lv

Federated learning (FL) enables multiple clients to train models collectively while preserving data privacy. However, FL faces challenges in terms of communication cost and data heterogeneity. One-shot federated learning has emerged as a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Matias Mendieta , Guangyu Sun , Chen Chen