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High-performance visual recognition systems generally require a large collection of labeled images to train. The expensive data curation can be an obstacle for improving recognition performance. Sharing more data allows training for better…

计算机视觉与模式识别 · 计算机科学 2019-06-24 Tae-hoon Kim , Dongmin Kang , Kari Pulli , Jonghyun Choi

Generative models such as Generative Adversarial Networks (GANs) and Variational Auto-Encoders (VAEs) are widely utilized to model the generative process of user interactions. However, these generative models suffer from intrinsic…

信息检索 · 计算机科学 2025-06-26 Wenjie Wang , Yiyan Xu , Fuli Feng , Xinyu Lin , Xiangnan He , Tat-Seng Chua

In this paper, we propose a novel method for enhancing security in privacy-preserving federated learning using the Vision Transformer. In federated learning, learning is performed by collecting updated information without collecting raw…

密码学与安全 · 计算机科学 2024-10-01 Hiroto Sawada , Shoko Imaizumi , Hitoshi Kiya

As high quality public data becomes scarce, Federated Learning (FL) provides a vital pathway to leverage valuable private user data while preserving privacy. However, real-world client data often contains toxic or unsafe information. This…

密码学与安全 · 计算机科学 2026-04-09 Shunan Zhu , Jiawei Chen , Yonghao Yu , Hideya Ochiai

Federated Learning (FL) can be vulnerable to attacks, such as model poisoning, where adversaries send malicious local weights to compromise the global model. Federated Unlearning (FU) is emerging as a solution to address such…

机器学习 · 计算机科学 2025-08-20 Nicolò Romandini , Cristian Borcea , Rebecca Montanari , Luca Foschini

Medical image classification plays a crucial role in computer-aided clinical diagnosis. While deep learning techniques have significantly enhanced efficiency and reduced costs, the privacy-sensitive nature of medical imaging data…

计算机视觉与模式识别 · 计算机科学 2024-07-04 Sufen Ren , Yule Hu , Shengchao Chen , Guanjun Wang

Recent attacks have shown that user data can be recovered from FedSGD updates, thus breaking privacy. However, these attacks are of limited practical relevance as federated learning typically uses the FedAvg algorithm. Compared to FedSGD,…

机器学习 · 计算机科学 2022-11-02 Dimitar I. Dimitrov , Mislav Balunović , Nikola Konstantinov , Martin Vechev

Diffusion models have recently gained significant attention in both academia and industry due to their impressive generative performance in terms of both sampling quality and distribution coverage. Accordingly, proposals are made for…

机器学习 · 计算机科学 2024-09-20 Xinjian Luo , Yangfan Jiang , Fei Wei , Yuncheng Wu , Xiaokui Xiao , Beng Chin Ooi

Federated recommendation facilitates collaborative model training across distributed clients while keeping sensitive user interaction data local. Conventional approaches typically rely on synchronizing high-dimensional item representations…

信息检索 · 计算机科学 2026-02-26 Yuchun Tu , Zhiwei Li , Bingli Sun , Yixuan Li , Xiao Song

Federated learning allows multiple users to collaboratively train a shared classification model while preserving data privacy. This approach, where model updates are aggregated by a central server, was shown to be vulnerable to poisoning…

机器学习 · 计算机科学 2020-12-17 Chien-Lun Chen , Leana Golubchik , Marco Paolieri

Federated Learning with Model Distillation (FedMD) is a nascent collaborative learning paradigm, where only output logits of public datasets are transmitted as distilled knowledge, instead of passing on private model parameters that are…

密码学与安全 · 计算机科学 2023-07-04 Hideaki Takahashi , Jingjing Liu , Yang Liu

Federated Recommendation can mitigate the systematical privacy risks of traditional recommendation since it allows the model training and online inferring without centralized user data collection. Most existing works assume that all user…

信息检索 · 计算机科学 2023-04-17 Jiangcheng Qin , Baisong Liu , Xueyuan Zhang , Jiangbo Qian

Personalization stands as the cornerstone of recommender systems (RecSys), striving to sift out redundant information and offer tailor-made services for users. However, the conventional cloud-based RecSys necessitates centralized data…

信息检索 · 计算机科学 2024-12-12 Jing Jiang , Chunxu Zhang , Honglei Zhang , Zhiwei Li , Yidong Li , Bo Yang

Face recognition has been extensively studied in computer vision and artificial intelligence communities in recent years. An important issue of face recognition is data privacy, which receives more and more public concerns. As a common…

计算机视觉与模式识别 · 计算机科学 2021-05-07 Fan Bai , Jiaxiang Wu , Pengcheng Shen , Shaoxin Li , Shuigeng Zhou

Federated learning (FL) goes beyond traditional, centralized machine learning by distributing model training among a large collection of edge clients. These clients cooperatively train a global, e.g., cloud-hosted, model without disclosing…

密码学与安全 · 计算机科学 2024-02-26 Gabriele Costa , Fabio Pinelli , Simone Soderi , Gabriele Tolomei

The proliferation of deep learning applications in healthcare calls for data aggregation across various institutions, a practice often associated with significant privacy concerns. This concern intensifies in medical image analysis, where…

机器学习 · 计算机科学 2023-07-03 Kishore Babu Nampalle , Pradeep Singh , Uppala Vivek Narayan , Balasubramanian Raman

There has been recent interest in leveraging federated learning (FL) for radio signal classification tasks. In FL, model parameters are periodically communicated from participating devices, training on their own local datasets, to a central…

信号处理 · 电气工程与系统科学 2023-01-24 Su Wang , Rajeev Sahay , Christopher G. Brinton

Federated learning is known to be vulnerable to both security and privacy issues. Existing research has focused either on preventing poisoning attacks from users or on concealing the local model updates from the server, but not both.…

机器学习 · 计算机科学 2024-06-05 Truc Nguyen , My T. Thai

Machine learning methods allow us to make recommendations to users in applications across fields including entertainment, dating, and commerce, by exploiting similarities in users' interaction patterns. However, in domains that demand…

信息检索 · 计算机科学 2020-03-03 Mónica Ribero , Jette Henderson , Sinead Williamson , Haris Vikalo

Graph neural network (GNN)-based federated recommendation systems effectively capture user-item relationships while preserving data privacy. However, existing methods often face slow convergence on graph data and privacy leakage risks…

信息检索 · 计算机科学 2026-03-27 Zhenxing Yan , Jidong Yuan , Yongqi Sun , Haiyang Liu , Zhihui Gao