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Federated Learning (FL) for face recognition aggregates locally optimized models from individual clients to construct a generalized face recognition model. However, previous studies present two major challenges: insufficient incorporation…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Hansol Kim , Hoyeol Choi , Youngjun Kwak

Federated learning (FL) allows multiple medical institutions to collaboratively learn a global model without centralizing client data. It is difficult, if possible at all, for such a global model to commonly achieve optimal performance for…

图像与视频处理 · 电气工程与系统科学 2023-03-30 Meirui Jiang , Hongzheng Yang , Chen Cheng , Qi Dou

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…

机器学习 · 计算机科学 2025-04-17 Yu Zhang , Qingfeng Du , Jiaqi Lv

Data heterogeneity poses a fundamental challenge in federated learning (FL), especially when clients differ not only in distribution but also in the reliability of their predictions across individual examples. While personalized FL (PFL)…

机器学习 · 计算机科学 2025-09-29 Amr Abourayya , Jens Kleesiek , Bharat Rao , Michael Kamp

Federated learning, an emerging machine learning paradigm, enables clients to collaboratively train a model without exchanging local data. Clients participating in the training process significantly impact the convergence rate, learning…

机器学习 · 计算机科学 2024-08-30 Fares Fourati , Salma Kharrat , Vaneet Aggarwal , Mohamed-Slim Alouini , Marco Canini

Federated learning (FL) is an important paradigm for training global models from decentralized data in a privacy-preserving way. Existing FL methods usually assume the global model can be trained on any participating client. However, in…

机器学习 · 计算机科学 2022-07-19 Ruixuan Liu , Fangzhao Wu , Chuhan Wu , Yanlin Wang , Lingjuan Lyu , Hong Chen , Xing Xie

Federated Learning (FL) is a distributed learning paradigm where clients collaboratively train a model while keeping their own data private. With an increasing scale of clients and models, FL encounters two key challenges, client drift due…

机器学习 · 计算机科学 2025-01-20 Jianhui Sun , Xidong Wu , Heng Huang , Aidong Zhang

Federated learning (FL) is a promising technology via which some edge devices/clients collaboratively train a machine learning model orchestrated by a server. Learning an unfair model is known as a critical problem in federated learning,…

机器学习 · 计算机科学 2024-01-11 Shayan Mohajer Hamidi , En-Hui Yang

Standard machine learning approaches require centralizing the users' data in one computer or a shared database, which raises data privacy and confidentiality concerns. Therefore, limiting central access is important, especially in…

Federated Learning (FL) is developed to learn a single global model across the decentralized data, while is susceptible when realizing client-specific personalization in the presence of statistical heterogeneity. However, studies focus on…

机器学习 · 计算机科学 2022-04-27 Changxing Jing , Yan Huang , Yihong Zhuang , Liyan Sun , Yue Huang , Zhenlong Xiao , Xinghao Ding

Federated learning (FL) has emerged as a powerful approach to safeguard data privacy by training models across distributed edge devices without centralizing local data. Despite advancements in homogeneous data scenarios, maintaining…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Yuting Ma , Shengeng Tang , Xiaohua Xu , Lechao Cheng

Federated learning (FL) triggers intra-client and inter-client class imbalance, with the latter compared to the former leading to biased client updates and thus deteriorating the distributed models. Such a bias is exacerbated during the…

机器学习 · 计算机科学 2024-12-24 Chenguang Xiao , Zheming Zuo , Shuo Wang

Federated Learning (FL) is a distributed learning technique that maintains data privacy by providing a decentralized training method for machine learning models using distributed big data. This promising Federated Learning approach has also…

机器学习 · 计算机科学 2024-11-11 Prakash Chourasia , Tamkanat E Ali , Sarwan Ali , Murray Pattersn

Data privacy and class imbalance are the norm rather than the exception in many machine learning tasks. Recent attempts have been launched to, on one side, address the problem of learning from pervasive private data, and on the other side,…

机器学习 · 计算机科学 2022-07-01 Zihan Chen , Songshang Liu , Hualiang Wang , Howard H. Yang , Tony Q. S. Quek , Zuozhu Liu

In the medical field, federated learning commonly deals with highly imbalanced datasets, including skin lesions and gastrointestinal images. Existing federated methods under highly imbalanced datasets primarily focus on optimizing a global…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Marawan Elbatel , Hualiang Wang , Robert Martí , Huazhu Fu , Xiaomeng Li

Federated learning (FL) has been proposed as a method to train a model on different units without exchanging data. This offers great opportunities in the healthcare sector, where large datasets are available but cannot be shared to ensure…

机器学习 · 计算机科学 2022-04-21 Arash Mehrjou , Ashkan Soleymani , Annika Buchholz , Jürgen Hetzel , Patrick Schwab , Stefan Bauer

Federated learning (FL) allows distributed clients to collaboratively train a global model in a privacy-preserving manner. However, one major challenge is domain skew, where clients' data originating from diverse domains may hinder the…

机器学习 · 计算机科学 2026-03-17 Huan Wang , Jun Shen , Jun Yan , Guansong Pang

Distributed training can facilitate the processing of large medical image datasets, and improve the accuracy and efficiency of disease diagnosis while protecting patient privacy, which is crucial for achieving efficient medical image…

图像与视频处理 · 电气工程与系统科学 2024-04-17 Lisang Zhou , Meng Wang , Ning Zhou

Federated learning (FL) enables collaborative model training while preserving each participant's privacy, which is particularly beneficial to the medical field. FedAvg is a standard algorithm that uses fixed weights, often originating from…

Segmentation models for brain lesions in MRI are typically developed for a specific disease and trained on data with a predefined set of MRI modalities. Such models cannot segment the disease using data with a different set of MRI…

图像与视频处理 · 电气工程与系统科学 2024-11-20 Felix Wagner , Wentian Xu , Pramit Saha , Ziyun Liang , Daniel Whitehouse , David Menon , Virginia Newcombe , Natalie Voets , J. Alison Noble , Konstantinos Kamnitsas