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In privacy-preserving mobile network transmission scenarios with heterogeneous client data, personalized federated learning methods that decouple feature extractors and classifiers have demonstrated notable advantages in enhancing learning…

计算机视觉与模式识别 · 计算机科学 2025-11-14 Ming Yang , Dongrun Li , Xin Wang , Feng Li , Lisheng Fan , Chunxiao Wang , Xiaoming Wu , Peng Cheng

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…

机器学习 · 计算机科学 2024-12-09 Jiayu Liu , Yong Wang , Nianbin Wang , Jing Yang , Xiaohui Tao

Federated learning (FL), as an effective decentralized distributed learning approach, enables multiple institutions to jointly train a model without sharing their local data. However, the domain feature shift caused by different acquisition…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Meng Wang , Kai Yu , Chun-Mei Feng , Yiming Qian , Ke Zou , Lianyu Wang , Rick Siow Mong Goh , Yong Liu , Huazhu Fu

Federated Learning (FL) is a rising approach towards collaborative and privacy-preserving machine learning where large-scale medical datasets remain localized to each client. However, the issue of data heterogeneity among clients often…

机器学习 · 计算机科学 2024-10-01 Shuang Zeng , Pengxin Guo , Shuai Wang , Jianbo Wang , Yuyin Zhou , Liangqiong Qu

Attributes skew hinders the current federated learning (FL) frameworks from consistent optimization directions among the clients, which inevitably leads to performance reduction and unstable convergence. The core problems lie in that: 1)…

机器学习 · 计算机科学 2022-06-15 Zhengquan Luo , Yunlong Wang , Zilei Wang , Zhenan Sun , Tieniu Tan

Federated Learning (FL) aggregates locally trained models from individual clients to construct a global model. While FL enables learning a model with data privacy, it often suffers from significant performance degradation when clients have…

机器学习 · 计算机科学 2024-03-29 Gihun Lee , Minchan Jeong , Sangmook Kim , Jaehoon Oh , Se-Young Yun

Discriminative unsupervised learning methods such as contrastive learning have demonstrated the ability to learn generalized visual representations on centralized data. It is nonetheless challenging to adapt such methods to a distributed…

计算机视觉与模式识别 · 计算机科学 2025-06-13 Yuewei Yang , Jingwei Sun , Ang Li , Hai Li , Yiran Chen

Federated learning (FL) enables collaborative machine learning across distributed data owners, but data heterogeneity poses a challenge for model calibration. While prior work focused on improving accuracy for non-iid data, calibration…

机器学习 · 计算机科学 2024-06-05 Hongyi Peng , Han Yu , Xiaoli Tang , Xiaoxiao Li

We propose near-optimal overlay networks based on $d$-regular expander graphs to accelerate decentralized federated learning (DFL) and improve its generalization. In DFL a massive number of clients are connected by an overlay network, and…

网络与互联网体系结构 · 计算机科学 2022-01-03 Yifan Hua , Kevin Miller , Andrea L. Bertozzi , Chen Qian , Bao Wang

Federated learning (FL) enables multiple clients to collaboratively train a global model while keeping local data decentralized. Data heterogeneity (non-IID) across clients has imposed significant challenges to FL, which makes local models…

机器学习 · 计算机科学 2025-04-22 Yuting He , Yiqiang Chen , XiaoDong Yang , Hanchao Yu , Yi-Hua Huang , Yang Gu

The current standalone deep learning framework tends to result in overfitting and low utility. This problem can be addressed by either a centralized framework that deploys a central server to train a global model on the joint data from all…

密码学与安全 · 计算机科学 2020-05-20 Lingjuan Lyu , Jiangshan Yu , Karthik Nandakumar , Yitong Li , Xingjun Ma , Jiong Jin , Han Yu , Kee Siong Ng

Federated Learning (FL) for face recognition aggregates locally optimized models from individual clients to construct a generalized face recognition model. However, previous studies present two major challenges: insufficient incorporation…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Hansol Kim , Hoyeol Choi , Youngjun Kwak

Causal inference has become a powerful tool to handle the out-of-distribution (OOD) generalization problem, which aims to extract the invariant features. However, conventional methods apply causal learners from multiple data splits, which…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Yuqing Wang , Xiangxian Li , Zhuang Qi , Jingyu Li , Xuelong Li , Xiangxu Meng , Lei Meng

Federated learning (FL) is a trending training paradigm to utilize decentralized training data. FL allows clients to update model parameters locally for several epochs, then share them to a global model for aggregation. This training…

机器学习 · 计算机科学 2022-08-09 Xiaoxiao Li , Zhao Song , Jiaming Yang

Federated learning (FL) is a privacy preserving machine learning paradigm designed to collaboratively learn a global model without data leakage. Specifically, in a typical FL system, the central server solely functions as an coordinator to…

机器学习 · 计算机科学 2024-12-17 Hangyu Zhu , Yuxiang Fan , Zhenping Xie

Federated Learning (FL) aims to learn a single global model that enables the central server to help the model training in local clients without accessing their local data. The key challenge of FL is the heterogeneity of local data in…

机器学习 · 计算机科学 2023-04-17 Sicong Liang , Junchao Tian , Shujun Yang , Yu Zhang

Decentralized federated learning (DFL) captures FL settings where both (i) model updates and (ii) model aggregations are exclusively carried out by the clients without a central server. Existing DFL works have mostly focused on settings…

Federated Learning (FL) has emerged as a promising solution to perform deep learning on different data owners without exchanging raw data. However, non-IID data has been a key challenge in FL, which could significantly degrade the accuracy…

机器学习 · 计算机科学 2023-12-19 Yiqun Diao , Qinbin Li , Bingsheng He

The goal of federated learning (FL) is to train one global model by aggregating model parameters updated independently on edge devices without accessing users' private data. However, FL is susceptible to backdoor attacks where a small…

密码学与安全 · 计算机科学 2022-02-24 Yein Kim , Huili Chen , Farinaz Koushanfar

Federated Learning (FL) suffers from severe performance degradation due to the data heterogeneity among clients. Existing works reveal that the fundamental reason is that data heterogeneity can cause client drift where the local model…

机器学习 · 计算机科学 2025-01-22 Haoran Xu , Jiaze Li , Wanyi Wu , Hao Ren