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Federated Learning (FL) is a novel approach that allows for collaborative machine learning while preserving data privacy by leveraging models trained on decentralized devices. However, FL faces challenges due to non-uniformly distributed…

Machine Learning · Computer Science 2024-04-16 Changlin Song , Divya Saxena , Jiannong Cao , Yuqing Zhao

Federated Learning (FL) is a powerful framework for privacy-preserving distributed learning. It enables multiple clients to collaboratively train a global model without sharing raw data. However, handling noisy labels in FL remains a major…

Machine Learning · Computer Science 2026-02-19 Seunghun Yu , Jin-Hyun Ahn , Joonhyuk Kang

Federated Learning (FL) is an innovative distributed machine learning paradigm that enables neural network training across devices without centralizing data. While this addresses issues of information sharing and data privacy, challenges…

Machine Learning · Computer Science 2024-12-09 Jiayu Liu , Yong Wang , Nianbin Wang , Jing Yang , Xiaohui Tao

Federated learning (FL) presents an effective solution for collaborative model training while maintaining data privacy across decentralized client datasets. However, data quality issues such as noisy labels, missing classes, and imbalanced…

Machine Learning · Computer Science 2025-05-16 Alpaslan Gokcen , Ali Boyaci

Over recent years, Federated Learning (FL) has proven to be one of the most promising methods of distributed learning which preserves data privacy. As the method evolved and was confronted to various real-world scenarios, new challenges…

Machine Learning · Statistics 2024-11-15 Michael Ben Ali , Omar El-Rifai , Imen Megdiche , André Peninou , Olivier Teste

Federated learning algorithms perform reasonably well on independent and identically distributed (IID) data. They, on the other hand, suffer greatly from heterogeneous environments, i.e., Non-IID data. Despite the fact that many research…

Machine Learning · Computer Science 2023-09-15 Yeachan Kim , Bonggun Shin

Federated Learning (FL) enables learning a shared model across many clients without violating the privacy requirements. One of the key attributes in FL is the heterogeneity that exists in both resource and data due to the differences in…

Machine Learning · Computer Science 2020-01-28 Zheng Chai , Ahsan Ali , Syed Zawad , Stacey Truex , Ali Anwar , Nathalie Baracaldo , Yi Zhou , Heiko Ludwig , Feng Yan , Yue Cheng

Non-IID data distribution across clients and poisoning attacks are two main challenges in real-world federated learning (FL) systems. While both of them have attracted great research interest with specific strategies developed, no known…

Machine Learning · Computer Science 2022-11-22 Yueqi Xie , Weizhong Zhang , Renjie Pi , Fangzhao Wu , Qifeng Chen , Xing Xie , Sunghun Kim

Federated Learning (FL) seeks to distribute model training across local clients without collecting data in a centralized data-center, hence removing data-privacy concerns. A major challenge for FL is data heterogeneity (where each client's…

Machine Learning · Computer Science 2022-09-22 Junjiao Tian , James Seale Smith , Zsolt Kira

Federated Learning (FL) is a novel distributed machine learning approach to leverage data from Internet of Things (IoT) devices while maintaining data privacy. However, the current FL algorithms face the challenges of non-independent and…

Machine Learning · Computer Science 2023-12-20 Gang Hu , Yinglei Teng , Nan Wang , F. Richard Yu

Federated Learning (FL) enables collaborative model training across decentralized devices while preserving data privacy. However, real-world FL deployments face critical challenges such as data imbalances, including label noise and non-IID…

Machine Learning · Computer Science 2026-01-13 Siqi Zhu , Joshua D. Kaggie

Federated learning (FL) is a distributed machine learning paradigm where multiple clients conduct local training based on their private data, then the updated models are sent to a central server for global aggregation. The practical…

Machine Learning · Computer Science 2025-04-03 Harsh Vardhan , Xiaofan Yu , Tajana Rosing , Arya Mazumdar

Federated learning (FL) is a new machine learning framework which trains a joint model across a large amount of decentralized computing devices. Existing methods, e.g., Federated Averaging (FedAvg), are able to provide an optimization…

Machine Learning · Computer Science 2021-02-15 Xingyu Li , Zhe Qu , Bo Tang , Zhuo Lu

Federated learning (FL) enables collaborative model training without sharing raw data; however, the presence of noisy labels across distributed clients can severely degrade the learning performance. In this paper, we propose FedSIR, a…

Machine Learning · Computer Science 2026-04-23 Sina Gholami , Abdulmoneam Ali , Tania Haghighi , Ahmed Arafa , Minhaj Nur Alam

Federated Semi-Supervised Learning (FSSL) aims to collaboratively train a global model across clients by leveraging partially-annotated local data in a privacy-preserving manner. In FSSL, data heterogeneity is a challenging issue, which…

Machine Learning · Computer Science 2026-02-25 Duowen Chen , Yan Wang

Federated learning enables edge devices to train a global model collaboratively without exposing their data. Despite achieving outstanding advantages in computing efficiency and privacy protection, federated learning faces a significant…

Federated Learning (FL) enables distributed optimization without compromising data sovereignty. Yet, where local label distributions are mutually exclusive, standard weight aggregation fails due to conflicting optimization trajectories.…

Machine Learning · Computer Science 2026-03-18 Andrea Moleri , Christian Internò , Ali Raza , Markus Olhofer , David Klindt , Fabio Stella , Barbara Hammer

Traditional federated learning mainly focuses on parallel settings (PFL), which can suffer significant communication and computation costs. In contrast, one-shot and sequential federated learning (SFL) have emerged as innovative paradigms…

Machine Learning · Computer Science 2024-04-19 Naibo Wang , Yuchen Deng , Wenjie Feng , Shichen Fan , Jianwei Yin , See-Kiong Ng

Federated learning (FL) is a privacy-promoting framework that enables potentially large number of clients to collaboratively train machine learning models. In a FL system, a server coordinates the collaboration by collecting and aggregating…

Machine Learning · Computer Science 2023-04-21 Huancheng Chen , Haris Vikalo

Federated learning (FL) has been a promising approach in the field of medical imaging in recent years. A critical problem in FL, specifically in medical scenarios is to have a more accurate shared model which is robust to noisy and out-of…

Machine Learning · Computer Science 2020-08-19 Yousef Yeganeh , Azade Farshad , Nassir Navab , Shadi Albarqouni