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Federated Learning (FL) is a promising distributed learning paradigm, which allows a number of data owners (also called clients) to collaboratively learn a shared model without disclosing each client's data. However, FL may fail to proceed…

Machine Learning · Computer Science 2020-11-24 Hong Lin , Lidan Shou , Ke Chen , Gang Chen , Sai Wu

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 has been widely applied in autonomous driving since it enables training a learning model among vehicles without sharing users' data. However, data from autonomous vehicles usually suffer from the…

Robotics · Computer Science 2023-10-10 Tuong Do , Binh X. Nguyen , Hien Nguyen , Erman Tjiputra , Quang D. Tran , Te-Chuan Chiu , Anh Nguyen

Federated learning has been widely applied to enable decentralized devices, which each have their own local data, to learn a shared model. However, learning from real-world data can be challenging, as it is rarely identically and…

Machine Learning · Computer Science 2020-07-28 Kavya Kopparapu , Eric Lin , Jessica Zhao

Federated Learning is a machine learning approach that enables the training of a deep learning model among several participants with sensitive data that wish to share their own knowledge without compromising the privacy of their data. In…

Machine Learning · Computer Science 2024-02-16 Irina Arévalo , Jose L. Salmeron

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 aims to learn a global model collaboratively while the training data belongs to different clients and is not allowed to be exchanged. However, the statistical heterogeneity challenge on non-IID data, such as class…

Machine Learning · Computer Science 2023-04-12 Yunheng Shen , Haoxiang Wang , Hairong Lv

Federated Learning (FL) is a machine-learning approach enabling collaborative model training across multiple decentralized edge devices that hold local data samples, all without exchanging these samples. This collaborative process occurs…

Machine Learning · Computer Science 2024-01-02 Venkataraman Natarajan Iyer

As Web technology continues to develop, it has become increasingly common to use data stored on different clients. At the same time, federated learning has received widespread attention due to its ability to protect data privacy when let…

Computer Vision and Pattern Recognition · Computer Science 2025-04-14 Xin Luo , Fang-Yi Liang , Jiale Liu , Yu-Wei Zhan , Zhen-Duo Chen , Xin-Shun Xu

Federated Learning (FL) has emerged as a powerful paradigm for collaborative machine learning across decentralized data sources, preserving privacy by keeping data local. However, increasing legal and ethical demands, such as the "right to…

Machine Learning · Computer Science 2026-02-09 Radmehr Karimian , Amirhossein Bagheri , Meghdad Kurmanji , Nicholas D. Lane , Gholamali Aminian

In this paper, we consider the problem of fine-grained image retrieval in an incremental setting, when new categories are added over time. On the one hand, repeatedly training the representation on the extended dataset is time-consuming. On…

Computer Vision and Pattern Recognition · Computer Science 2020-10-19 Wei Chen , Yu Liu , Weiping Wang , Tinne Tuytelaars , Erwin M. Bakker , Michael Lew

Major data protection regulations all mention the "right to be forgotten," and that's what pushed federated unlearning (FU) techniques forward. But one stubborn issue remains: catastrophic forgetting--you erase the target knowledge, yet…

Machine Learning · Computer Science 2026-05-27 Hangyi Shen , Yizhi Pan , Tiansuo Li , Weiqi Jiang , Guanqun Sun

Federated Learning is a novel framework that allows multiple devices or institutions to train a machine learning model collaboratively while preserving their data private. This decentralized approach is prone to suffer the consequences of…

Machine Learning · Computer Science 2021-11-29 Marcos F. Criado , Fernando E. Casado , Roberto Iglesias , Carlos V. Regueiro , Senén Barro

Federated continual learning (FCL) aims to learn from sequential data stream in the decentralized federated learning setting, while simultaneously mitigating the catastrophic forgetting issue in classical continual learning. Existing FCL…

Machine Learning · Computer Science 2024-12-25 Yuchen He , Chuyun Shen , Xiangfeng Wang , Bo Jin

The Federated Learning setting has a central server coordinating the training of a model on a network of devices. One of the challenges is variable training performance when the dataset has a class imbalance. In this paper, we address this…

Machine Learning · Computer Science 2020-11-13 Dipankar Sarkar , Ankur Narang , Sumit Rai

Federated learning (FL) enables distributed optimization of machine learning models while protecting privacy by independently training local models on each client and then aggregating parameters on a central server, thereby producing an…

Machine Learning · Computer Science 2022-03-08 Chencheng Xu , Zhiwei Hong , Minlie Huang , Tao Jiang

Federated learning (FL) is a distributed learning approach where a set of end-user devices participate in the learning process by acting on their isolated local data sets. Here, we process local data sets of users where worst-case…

Machine Learning · Computer Science 2019-12-13 Saeedeh Parsaeefard , Iman Tabrizian , Alberto Leon Garcia

Federated learning (FL) enables collaborative model training across distributed clients while preserving data privacy. However, data and system heterogeneity often cause catastrophic forgetting and unbounded drift in model updates, leading…

Machine Learning · Computer Science 2026-04-28 Taehwan Yoon , Bongjun Choi , Wesley De Neve

Catastrophic forgetting is a significant challenge in the field of machine learning, particularly in neural networks. When a neural network learns to perform well on a new task, it often forgets its previously acquired knowledge or…

Machine Learning · Computer Science 2023-12-04 Nuri Korhan , Ceren Öner

Federated learning (FL) is a hot collaborative training framework via aggregating model parameters of decentralized local clients. However, most FL methods unreasonably assume data categories of FL framework are known and fixed in advance.…

Computer Vision and Pattern Recognition · Computer Science 2023-11-17 Jiahua Dong , Hongliu Li , Yang Cong , Gan Sun , Yulun Zhang , Luc Van Gool