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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

Talking-head generation has advanced rapidly with diffusion-based generative models, but training usually depends on centralized face-video and speech datasets, raising major privacy concerns. The problem is more acute for personalized…

Cryptography and Security · Computer Science 2026-04-10 Soumya Mazumdar , Vineet Kumar Rakesh , Tapas Samanta

Federated learning is a distributed, privacy-aware learning scenario which trains a single model on data belonging to several clients. Each client trains a local model on its data and the local models are then aggregated by a central party.…

Machine Learning · Computer Science 2020-01-01 Hesham Mostafa

Federated learning (FL) is a collaborative machine learning approach that enables multiple clients to train models without sharing their private data. With the rise of deep learning, large-scale models have garnered significant attention…

Machine Learning · Computer Science 2025-09-09 Ziwei Zhan , Wenkuan Zhao , Yuanqing Li , Weijie Liu , Xiaoxi Zhang , Chee Wei Tan , Chuan Wu , Deke Guo , Xu Chen

Federated learning (FL) enables collaborative training across clients while preserving privacy. While most existing FL methods assume homogeneous model architectures, client heterogeneity in both data and resources makes this assumption…

Machine Learning · Computer Science 2026-03-30 Yuan Yao , Lixu Wang , Jiaqi Wu , Jin Song , Simin Chen , Zehua Wang , Zijian Tian , Wei Chen , Huixia Li , Xiaoxiao Li

With more regulations tackling users' privacy-sensitive data protection in recent years, access to such data has become increasingly restricted and controversial. To exploit the wealth of data generated and located at distributed entities…

Machine Learning · Computer Science 2020-11-10 Nader Bouacida , Jiahui Hou , Hui Zang , Xin Liu

Text to speech (TTS) is a crucial task for user interaction, but TTS model training relies on a sizable set of high-quality original datasets. Due to privacy and security issues, the original datasets are usually unavailable directly.…

Machine Learning · Computer Science 2021-07-20 Zhenhou Hong , Jianzong Wang , Xiaoyang Qu , Jie Liu , Chendong Zhao , Jing Xiao

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

Traditional federated learning (FL) methods have limited support for clients with varying computational and communication abilities, leading to inefficiencies and potential inaccuracies in model training. This limitation hinders the…

Machine Learning · Computer Science 2024-06-17 Jong-Ik Park , Carlee Joe-Wong

Heterogeneity across clients in federated learning (FL) usually hinders the optimization convergence and generalization performance when the aggregation of clients' knowledge occurs in the gradient space. For example, clients may differ in…

Machine Learning · Computer Science 2022-03-08 Yue Tan , Guodong Long , Lu Liu , Tianyi Zhou , Qinghua Lu , Jing Jiang , Chengqi Zhang

Federated Learning (FL) has gained significant attention in distributed machine learning by enabling collaborative model training across decentralized system while preserving data privacy. Although extensive research has addressed…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-05 Ahmad Dabaja , Rachid El-Azouzi

In the federated learning scenario, geographically distributed clients collaboratively train a global model. Data heterogeneity among clients significantly results in inconsistent model updates, which evidently slow down model convergence.…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-13 Xujing Li , Min Liu , Sheng Sun , Yuwei Wang , Hui Jiang , Xuefeng Jiang

In federated learning, a strong global model is collaboratively learned by aggregating clients' locally trained models. Although this precludes the need to access clients' data directly, the global model's convergence often suffers from…

Machine Learning · Computer Science 2022-11-30 Gihun Lee , Minchan Jeong , Yongjin Shin , Sangmin Bae , Se-Young Yun

Federated learning (FL) offers an innovative paradigm for collaborative model training across decentralized devices, such as smartphones, balancing enhanced predictive performance with the protection of user privacy in sensitive areas like…

Machine Learning · Computer Science 2025-09-15 Mohammad Hasan Narimani , Mostafa Tavassolipour

Recently, foundation models have exhibited remarkable advancements in multi-modal learning. These models, equipped with millions (or billions) of parameters, typically require a substantial amount of data for finetuning. However, collecting…

Machine Learning · Computer Science 2023-08-25 Haokun Chen , Yao Zhang , Denis Krompass , Jindong Gu , Volker Tresp

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 is gaining popularity as a distributed machine learning method that can be used to deploy AI-dependent IoT applications while protecting client data privacy and security. Due to the differences of clients, a single global…

Machine Learning · Computer Science 2022-02-21 Xingjian Cao , Gang Sun , Hongfang Yu , Mohsen Guizani

Federated learning performs distributed model training using local data hosted by agents. It shares only model parameter updates for iterative aggregation at the server. Although it is privacy-preserving by design, federated learning is…

Machine Learning · Computer Science 2019-05-09 Yufei Han , Xiangliang Zhang

The proliferation of Internet of Things devices and advances in communication technology have unleashed an explosion of personal data, amplifying privacy concerns amid stringent regulations like GDPR and CCPA. Federated Learning offers a…

Machine Learning · Computer Science 2025-03-04 Fan Wan , Yuchen Li , Xueqi Qiu , Rui Sun , Leyuan Zhang , Xingyu Miao , Tianyu Zhang , Haoran Duan , Yang Long

Artificial intelligence is retracing the Internet's path from centralized provision to distributed creation. Initially, resource-intensive computation concentrates within institutions capable of training and serving large models.Eventually,…

Machine Learning · Computer Science 2025-11-27 Pius Onobhayedo , Paul Osemudiame Oamen
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