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Many application scenarios call for training a machine learning model among multiple participants. Federated learning (FL) was proposed to enable joint training of a deep learning model using the local data in each party without revealing…

Machine Learning · Computer Science 2021-02-12 Kai-Fung Chu , Lintao Zhang

Despite recent advancements in federated learning (FL) for medical image diagnosis, addressing data heterogeneity among clients remains a significant challenge for practical implementation. A primary hurdle in FL arises from the non-IID…

Machine Learning · Computer Science 2024-07-09 Pranab Sahoo , Ashutosh Tripathi , Sriparna Saha , Samrat Mondal

Federated Learning (FL) is currently the most widely adopted framework for collaborative training of (deep) machine learning models under privacy constraints. Albeit it's popularity, it has been observed that Federated Learning yields…

Machine Learning · Computer Science 2019-10-07 Felix Sattler , Klaus-Robert Müller , Wojciech Samek

Federated learning (FL) is a promising paradigm to collaboratively train a global chest x-ray (CXR) classification model using distributed datasets while preserving patient privacy. A significant, yet relatively underexplored, challenge in…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Pranav Kulkarni , Adway Kanhere , Paul H. Yi , Vishwa S. Parekh

Federated Learning (FL) has been becoming a popular interdisciplinary research area in both applied mathematics and information sciences. Mathematically, FL aims to collaboratively optimize aggregate objective functions over distributed…

Machine Learning · Computer Science 2024-12-03 Shusen Yang , Fangyuan Zhao , Zihao Zhou , Liang Shi , Xuebin Ren , Zongben Xu

Federated learning (FL) enables a set of distributed clients to jointly train machine learning models while preserving their local data privacy, making it attractive for applications in healthcare, finance, mobility, and smart-city systems.…

Machine Learning · Computer Science 2026-03-26 Eman M. AbouNassar , Amr Elshall , Sameh Abdulah

Federated learning (FL) is a novel distributed machine learning paradigm that enables participants to collaboratively train a centralized model with privacy preservation by eliminating the requirement of data sharing. In practice, FL often…

Machine Learning · Computer Science 2024-03-05 Wei Guo , Fuzhen Zhuang , Xiao Zhang , Yiqi Tong , Jin Dong

Federated Learning (FL) is an advanced distributed machine learning approach, that protects the privacy of each vehicle by allowing the model to be trained on multiple devices simultaneously without the need to upload all data to a road…

Machine Learning · Computer Science 2025-06-23 Xueying Gu , Qiong Wu , Pingyi Fan , Qiang Fan

Federated learning (FL) can be used to improve data privacy and efficiency in magnetic resonance (MR) image reconstruction by enabling multiple institutions to collaborate without needing to aggregate local data. However, the domain shift…

Image and Video Processing · Electrical Eng. & Systems 2022-08-24 Chun-Mei Feng , Yunlu Yan , Shanshan Wang , Yong Xu , Ling Shao , Huazhu Fu

Federated Learning (FL) enables multiple institutes to train models collaboratively without sharing private data. Current FL research focuses on communication efficiency, privacy protection, and personalization and assumes that the data of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Zhipeng Deng , Yuqiao Yang , Kenji Suzuki

Federated learning (FL) provides a distributed learning framework for multiple participants to collaborate learning without sharing raw data. In many practical FL scenarios, participants have heterogeneous resources due to disparities in…

Machine Learning · Computer Science 2022-03-21 Junyuan Hong , Haotao Wang , Zhangyang Wang , Jiayu Zhou

In contemporary rural healthcare settings, the principal challenge in diagnosing brain images is the scarcity of available data, given that most of the existing deep learning models demand extensive training data to optimize their…

Machine Learning · Computer Science 2024-09-27 Rukesh Prajapati , Amr S. El-Wakeel

Federated Learning (FL) is a distributed machine learning approach that enables model training in communication efficient and privacy-preserving manner. The standard optimization method in FL is Federated Averaging (FedAvg), which performs…

Machine Learning · Computer Science 2023-09-21 Zeyi Tao , Jindi Wu , Qun Li

Large volumes of medical data remain underutilized because centralizing distributed data is often infeasible due to strict privacy regulations and institutional constraints. In addition, models trained in centralized settings frequently…

Image and Video Processing · Electrical Eng. & Systems 2026-05-12 Puja Saha , Eranga Ukwatta

Federated learning (FL) is a promising technique that enables a large amount of edge computing devices to collaboratively train a global learning model. Due to privacy concerns, the raw data on devices could not be available for centralized…

Machine Learning · Computer Science 2020-11-24 Miao Yang , Akitanoshou Wong , Hongbin Zhu , Haifeng Wang , Hua Qian

While developing artificial intelligence (AI)-based algorithms to solve problems, the amount of data plays a pivotal role - large amount of data helps the researchers and engineers to develop robust AI algorithms. In the case of building…

Machine Learning · Computer Science 2022-04-25 Amartya Bhattacharya , Manish Gawali , Jitesh Seth , Viraj Kulkarni

Federated learning (FL) can help promote data privacy by training a shared model in a de-centralized manner on the physical devices of clients. In the presence of highly heterogeneous distributions of local data, personalized FL strategy…

Machine Learning · Statistics 2022-10-12 Zhe Liu , Yue Hui , Fuchun Peng

Personalized federated learning (FL) facilitates collaborations between multiple clients to learn personalized models without sharing private data. The mechanism mitigates the statistical heterogeneity commonly encountered in the system,…

Machine Learning · Computer Science 2022-09-23 Zichen Ma , Yu Lu , Wenye Li , Shuguang Cui

Personalized Federated Learning (PFL) aims to train customized models for clients with highly heterogeneous data distributions while preserving data privacy. Existing approaches often rely on heuristics like clustering or model…

Artificial Intelligence · Computer Science 2026-03-13 Ping Guo , Tiantian Zhang , Xi Lin , Xiang Li , Zhi-Ri Tang , Qingfu Zhang

Deep learning (DL) has been increasingly applied in medical imaging, however, it requires large amounts of data, which raises many challenges related to data privacy, storage, and transfer. Federated learning (FL) is a training paradigm…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Jan Fiszer , Dominika Ciupek , Maciej Malawski