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The ongoing deployment of the Internet of Things (IoT)-based smart applications is spurring the adoption of machine learning as a key technology enabler. To overcome the privacy and overhead challenges of centralized machine learning, there…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-21 Latif U. Khan , Walid Saad , Zhu Han , Choong Seon Hong

Decentralized federated learning (DFL) enables edge devices to collaboratively train models through local training and fully decentralized device-to-device (D2D) model exchanges. However, these energy-intensive operations often rapidly…

Machine Learning · Computer Science 2026-02-17 Kai Zhang , Xuanyu Cao , Khaled B. Letaief

Federated Learning (FL) is a pioneering approach in distributed machine learning, enabling collaborative model training across multiple clients while retaining data privacy. However, the inherent heterogeneity due to imbalanced resource…

Machine Learning · Computer Science 2024-11-18 Suraj Racha , Shubh Gupta , Humaira Firdowse , Aastik Solanki , Ganesh Ramakrishnan , Kshitij S. Jadhav

Federated Learning (FL) is the most widely adopted collaborative learning approach for training decentralized Machine Learning (ML) models by exchanging learning between clients without sharing the data and compromising privacy. However,…

Machine Learning · Computer Science 2024-07-26 Madapu Amarlingam , Abhishek Wani , Adarsh NL

Federated Learning (FL) is a distributed approach to collaboratively training machine learning models. FL requires a high level of communication between the devices and a central server, thus imposing several challenges, including…

Federated Learning has become an important learning paradigm due to its privacy and computational benefits. As the field advances, two key challenges that still remain to be addressed are: (1) system heterogeneity - variability in the…

Machine Learning · Computer Science 2022-06-02 Disha Makhija , Nhat Ho , Joydeep Ghosh

Federated Learning is a distributed machine learning approach which enables model training on a large corpus of decentralized data. We have built a scalable production system for Federated Learning in the domain of mobile devices, based on…

Federated learning is widely used to perform decentralized training of a global model on multiple devices while preserving the data privacy of each device. However, it suffers from heterogeneous local data on each training device which…

Machine Learning · Computer Science 2023-01-18 Sirui Hu , Ling Feng , Xiaohan Yang , Yongchao Chen

Federated learning (FL), which has gained increasing attention recently, enables distributed devices to train a common machine learning (ML) model for intelligent inference cooperatively without data sharing. However, problems in practical…

Machine Learning · Computer Science 2022-11-01 Yujie Zhou , Zhidu Li , Tong Tang , Ruyan Wang

The advent of Federated Learning (FL) has ignited a new paradigm for parallel and confidential decentralized Machine Learning (ML) with the potential of utilizing the computational power of a vast number of IoT, mobile and edge devices…

Machine Learning · Computer Science 2022-12-06 Leon Witt , Mathis Heyer , Kentaroh Toyoda , Wojciech Samek , Dan Li

Federated Learning (FL) facilitates collaborative training of a global model whose performance is boosted by private data owned by distributed clients, without compromising data privacy. Yet the wide applicability of FL is hindered by…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-31 Xinyuan Zhao , Hanlin Gu , Lixin Fan , Yuxing Han , Qiang Yang

Personalized Federated Learning (PFL) is proposed to find the greatest personalized models for each client. To avoid the central failure and communication bottleneck in the server-based FL, we concentrate on the Decentralized Personalized…

Machine Learning · Computer Science 2024-05-29 Yingqi Liu , Yifan Shi , Qinglun Li , Baoyuan Wu , Xueqian Wang , Li Shen

Intelligent fault diagnosis (IFD) plays a crucial role in ensuring the safe operation of industrial machinery and improving production efficiency. However, traditional supervised deep learning methods require a large amount of training data…

Machine Learning · Computer Science 2025-07-22 Yajiao Dai , Jun Li , Zhen Mei , Yiyang Ni , Shi Jin , Zengxiang Li , Sheng Guo , Wei Xiang

Federated Learning (FL) is a variant of distributed learning where edge devices collaborate to learn a model without sharing their data with the central server or each other. We refer to the process of training multiple independent models…

Machine Learning · Computer Science 2022-09-22 Neelkamal Bhuyan , Sharayu Moharir , Gauri Joshi

With the increasing amount of multimedia data on modern mobile systems and IoT infrastructures, harnessing these rich multimodal data without breaching user privacy becomes a critical issue. Federated learning (FL) serves as a…

Machine Learning · Computer Science 2023-05-09 Qiying Yu , Yang Liu , Yimu Wang , Ke Xu , Jingjing Liu

Federated learning (FL) offers a solution to train a global machine learning model while still maintaining data privacy, without needing access to data stored locally at the clients. However, FL suffers performance degradation when client…

Machine Learning · Computer Science 2021-08-13 Zihan Chen , Kai Fong Ernest Chong , Tony Q. S. Quek

Decentralized federated learning (DFL) is an emerging paradigm to enable edge devices collaboratively training a learning model using a device-to-device (D2D) communication manner without the coordination of a parameter server (PS).…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Zhiyuan Zhai , Xiaojun Yuan , Xin Wang , Geoffrey Ye Li

Federated Learning (FL) is a popular distributed learning paradigm to break down data silo. Traditional FL approaches largely rely on gradient-based updates, facing significant issues about heterogeneity, scalability, convergence, and…

Supervised deep learning needs a large amount of labeled data to achieve high performance. However, in medical imaging analysis, each site may only have a limited amount of data and labels, which makes learning ineffective. Federated…

Image and Video Processing · Electrical Eng. & Systems 2022-08-09 Yawen Wu , Dewen Zeng , Zhepeng Wang , Yiyu Shi , Jingtong Hu

Decentralized federated learning (DFL) is a collaborative machine learning framework for training a model across participants without a central server or raw data exchange. DFL faces challenges due to statistical heterogeneity, as…

Machine Learning · Computer Science 2025-06-16 Gabriel Thompson , Kai Yue , Chau-Wai Wong , Huaiyu Dai