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Due to the rising concern of data privacy, it's reasonable to assume the local client data can't be transferred to a centralized server, nor their associated identity label is provided. To support continuous learning and fill the last-mile…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Wenbin Zhu , Chien-Yi Wang , Kuan-Lun Tseng , Shang-Hong Lai , Baoyuan Wang

Federated learning synchronizes models through gradient transmission and aggregation. However, these gradients pose significant privacy risks, as sensitive training data is embedded within them. Existing gradient inversion attacks suffer…

密码学与安全 · 计算机科学 2025-11-18 Jiayang Meng , Tao Huang , Hong Chen , Chen Hou , Guolong Zheng

Personal interaction data can be effectively modeled as individual graphs for each user in recommender systems.Graph Neural Networks (GNNs)-based recommendation techniques have become extremely popular since they can capture high-order…

机器学习 · 计算机科学 2024-12-31 Haiyan Wang , Ye Yuan

With the fast growth of communication networks, the video data transmission from these networks is extremely vulnerable. Error concealment is a technique to estimate the damaged data by employing the correctly received data at the decoder.…

多媒体 · 计算机科学 2016-10-26 Seyed Mojtaba Marvasti-Zadeh , Hossein Ghanei-Yakhdan , Shohreh Kasaei

Graph Neural Networks (GNNs) have emerged as powerful models for learning from graph-structured data. However, their widespread adoption has raised serious privacy concerns. While prior research has primarily focused on edge-level privacy,…

机器学习 · 计算机科学 2025-11-12 Jie Fu , Yuan Hong , Zhili Chen , Wendy Hui Wang

Neural surface reconstruction relies heavily on accurate camera poses as input. Despite utilizing advanced pose estimators like COLMAP or ARKit, camera poses can still be noisy. Existing pose-NeRF joint optimization methods handle poses…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yi Gu , Dongjun Ye , Zhaorui Wang , Jiaxu Wang , Jiahang Cao , Renjing Xu

Differential privacy has been proven effective for stochastic gradient descent; however, existing methods often suffer from performance degradation in high-dimensional settings, as the scale of injected noise increases with dimensionality.…

机器学习 · 计算机科学 2025-07-10 Huiqi Zhang , Fang Xie

Modern multi-layer networks are commonly stored and analyzed in a local and distributed fashion because of the privacy, ownership, and communication costs. The literature on the model-based statistical methods for community detection based…

社会与信息网络 · 计算机科学 2024-10-22 Xiao Guo , Xiang Li , Xiangyu Chang , Shujie Ma

Transformation-based privacy-preserving face recognition (PPFR) aims to verify identities while hiding facial data from attackers and malicious service providers. Existing evaluations mostly treat privacy as resistance to pixel-level…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Wenqi Guo , Shan Du

Adversarial attacks on deep neural network models have seen rapid development and are extensively used to study the stability of these networks. Among various adversarial strategies, Projected Gradient Descent (PGD) is a widely adopted…

机器学习 · 计算机科学 2024-10-17 Dayana Savostianova , Emanuele Zangrando , Francesco Tudisco

Sending compressed video data in error-prone environments (like the Internet and wireless networks) might cause data degradation. Error concealment techniques try to conceal the received data in the decoder side. In this paper, an adaptive…

多媒体 · 计算机科学 2019-11-26 Seyed Mojtaba Marvasti-Zadeh , Hossein Ghanei-Yakhdan , Shohreh Kasaei

In this paper, we propose a method for privacy-preserving federated learning that uses randomly selected model parameters to update global models. High-quality deep neural networks (DNN) models require a huge amount of training data in…

密码学与安全 · 计算机科学 2026-05-05 Hiroto Sawada , Shoko Imaizumi , Hitoshi Kiya

This paper proposes a locally differentially private federated learning algorithm for strongly convex but possibly nonsmooth problems that protects the gradients of each worker against an honest but curious server. The proposed algorithm…

机器学习 · 计算机科学 2023-08-03 Jiaojiao Zhang , Dominik Fay , Mikael Johansson

Differentially Private Stochastic Gradients Descent (DP-SGD) is a prominent paradigm for preserving privacy in deep learning. It ensures privacy by perturbing gradients with random noise calibrated to their entire norm at each training…

密码学与安全 · 计算机科学 2024-06-06 Yixuan Liu , Li Xiong , Yuhan Liu , Yujie Gu , Ruixuan Liu , Hong Chen

In this paper, we propose FedGP, a framework for privacy-preserving data release in the federated learning setting. We use generative adversarial networks, generator components of which are trained by FedAvg algorithm, to draw…

机器学习 · 统计学 2019-10-21 Aleksei Triastcyn , Boi Faltings

Graph embedding has become a powerful tool for learning latent representations of nodes in a graph. Despite its superior performance in various graph-based machine learning tasks, serious privacy concerns arise when the graph data contains…

密码学与安全 · 计算机科学 2024-08-06 Zening Li , Rong-Hua Li , Meihao Liao , Fusheng Jin , Guoren Wang

Learning-based monocular depth estimation leverages geometric priors present in the training data to enable metric depth perception from a single image, a traditionally ill-posed problem. However, these priors are often specific to a…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Karlo Koledić , Luka Petrović , Ivan Petrović , Ivan Marković

Camera-conditioned video generation requires positional encoding that remains reliable under changes in camera motion, lens configuration, and scene structure. However, existing attention-level camera encodings either provide ray-only…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Seonghyun Jin , Youngmin Kim , Sunwoo Park , Jong Chul Ye

Graph Neural Networks have achieved tremendous success in modeling complex graph data in a variety of applications. However, there are limited studies investigating privacy protection in GNNs. In this work, we propose a learning framework…

机器学习 · 计算机科学 2024-08-07 Karuna Bhaila , Wen Huang , Yongkai Wu , Xintao Wu

Recommendation systems rely heavily on users behavioural and preferential data (e.g. ratings, likes) to produce accurate recommendations. However, users experience privacy concerns due to unethical data aggregation and analytical practices…

机器学习 · 计算机科学 2021-03-09 Jeyamohan Neera , Xiaomin Chen , Nauman Aslam , Kezhi Wang , Zhan Shu