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Federated Learning (FL) is a decentralized machine-learning paradigm, in which a global server iteratively averages the model parameters of local users without accessing their data. User heterogeneity has imposed significant challenges to…

Machine Learning · Computer Science 2021-06-11 Zhuangdi Zhu , Junyuan Hong , Jiayu Zhou

Federated learning (FL) is a decentralized collaborative machine learning (ML) technique. It provides a solution to the issues of isolated data islands and data privacy leakage in industrial ML practices. One major challenge in FL is…

Machine Learning · Computer Science 2025-06-26 Yushan Zhao , Jinyuan He , Donglai Chen , Weijie Luo , Chong Xie , Ri Zhang , Yonghong Chen , Yan Xu

Federated learning (FL) is a decentralized privacy-preserving learning technique in which clients learn a joint collaborative model through a central aggregator without sharing their data. In this setting, all clients learn a single common…

Machine Learning · Computer Science 2021-06-01 Siddharth Divi , Habiba Farrukh , Berkay Celik

Federated Learning (FL) enables multiple clients to collaboratively learn in a distributed way, allowing for privacy protection. However, the real-world non-IID data will lead to client drift which degrades the performance of FL.…

Machine Learning · Computer Science 2023-08-22 Yunlu Yan , Chun-Mei Feng , Mang Ye , Wangmeng Zuo , Ping Li , Rick Siow Mong Goh , Lei Zhu , C. L. Philip Chen

Federated Learning (FL) is a privacy-constrained decentralized machine learning paradigm in which clients enable collaborative training without compromising private data. However, how to learn a robust global model in the data-heterogeneous…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Kangyang Luo , Shuai Wang , Yexuan Fu , Xiang Li , Yunshi Lan , Ming Gao

Recently, innovative model aggregation methods based on knowledge distillation (KD) have been proposed for federated learning (FL). These methods not only improved the robustness of model aggregation over heterogeneous learning environment,…

Machine Learning · Computer Science 2023-12-29 Ho Man Kwan , Shenghui Song

In recent years, federated learning (FL) has emerged as a promising technique for training machine learning models in a decentralized manner while also preserving data privacy. The non-independent and identically distributed (non-i.i.d.)…

Machine Learning · Computer Science 2024-02-15 Yousef Alsenani , Rahul Mishra , Khaled R. Ahmed , Atta Ur Rahman

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

Federated Learning (FL) is an evolving machine learning method in which multiple clients participate in collaborative learning without sharing their data with each other and the central server. In real-world applications such as hospitals…

Computer Vision and Pattern Recognition · Computer Science 2023-08-02 Hussain Ahmad Madni , Rao Muhammad Umer , Gian Luca Foresti

Federated learning (FL) is a privacy-preserving machine learning paradigm in which the server periodically aggregates local model parameters from clients without assembling their private data. Constrained communication and personalization…

Machine Learning · Computer Science 2023-11-10 Zhiyuan Wu , Sheng Sun , Yuwei Wang , Min Liu , Quyang Pan , Junbo Zhang , Zeju Li , Qingxiang Liu

The training of deep learning models in seizure prediction requires large amounts of Electroencephalogram (EEG) data. However, acquiring sufficient labeled EEG data is difficult due to annotation costs and privacy constraints. Federated…

Machine Learning · Computer Science 2025-10-13 Jionghao Lou , Jian Zhang , Zhongmei Li , Lanlan Chen , Enbo Feng

Federated Learning (FL) suffers from severe performance degradation due to the data heterogeneity among clients. Existing works reveal that the fundamental reason is that data heterogeneity can cause client drift where the local model…

Machine Learning · Computer Science 2025-01-22 Haoran Xu , Jiaze Li , Wanyi Wu , Hao Ren

Federated learning (FL) is a machine learning paradigm in which distributed local nodes collaboratively train a central model without sharing individually held private data. Existing FL methods either iteratively share local model…

Machine Learning · Computer Science 2023-12-25 Xuan Gong , Shanglin Li , Yuxiang Bao , Barry Yao , Yawen Huang , Ziyan Wu , Baochang Zhang , Yefeng Zheng , David Doermann

Federated Learning (FL) enables the training of Deep Learning models without centrally collecting possibly sensitive raw data. The most used algorithms for FL are parameter-averaging based schemes (e.g., Federated Averaging) that, however,…

Machine Learning · Computer Science 2025-04-08 Alessio Mora , Irene Tenison , Paolo Bellavista , Irina Rish

One-shot Federated learning (FL) is a powerful technology facilitating collaborative training of machine learning models in a single round of communication. While its superiority lies in communication efficiency and privacy preservation…

Machine Learning · Computer Science 2024-12-09 Junyuan Zhang , Songhua Liu , Xinchao Wang

Multimodal Federated Learning (MFL) enables clients with heterogeneous data modalities to collaboratively train models without sharing raw data, offering a privacy-preserving framework that leverages complementary cross-modal information.…

Machine Learning · Computer Science 2026-03-06 Min Tan , Junchao Ma , Yinfu Feng , Jiajun Ding , Wenwen Pan , Tingting Han , Qian Zheng , Zhenzhong Kuang , Zhou Yu

Traditional Federated Learning (FL) methods encounter significant challenges when dealing with heterogeneous data and providing personalized solutions for non-IID scenarios. Personalized Federated Learning (PFL) approaches aim to address…

Machine Learning · Computer Science 2025-11-11 Yasaman Saadati , Mohammad Rostami , M. Hadi Amini

Federated Learning (FL) seeks to train a model collaboratively without sharing private training data from individual clients. Despite its promise, FL encounters challenges such as high communication costs for large-scale models and the…

Machine Learning · Computer Science 2024-04-15 Lin Li , Jianping Gou , Baosheng Yu , Lan Du , Zhang Yiand Dacheng Tao

Federated Learning (FL) is a distributed and privacy-preserving machine learning paradigm that coordinates multiple clients to train a model while keeping the raw data localized. However, this traditional FL poses some challenges, including…

Machine Learning · Computer Science 2026-05-12 Laiqiao Qin , Tianqing Zhu , Wanlei Zhou , Philip S. Yu

While federated learning is promising for privacy-preserving collaborative learning without revealing local data, it remains vulnerable to white-box attacks and struggles to adapt to heterogeneous clients. Federated distillation (FD), built…

Machine Learning · Computer Science 2023-12-18 Jiawei Shao , Fangzhao Wu , Jun Zhang