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Related papers: PPEDCRF: Privacy-Preserving Enhanced Dynamic CRF f…

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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…

Machine Learning · Computer Science 2023-08-03 Jiaojiao Zhang , Dominik Fay , Mikael Johansson

Road curb detection is important for autonomous driving. It can be used to determine road boundaries to constrain vehicles on roads, so that potential accidents could be avoided. Most of the current methods detect road curbs online using…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Zhenhua Xu , Yuxiang Sun , Lujia Wang , Ming Liu

We study gradient descent under linearly correlated noise. Our work is motivated by recent practical methods for optimization with differential privacy (DP), such as DP-FTRL, which achieve strong performance in settings where privacy…

Machine Learning · Computer Science 2024-01-17 Anastasia Koloskova , Ryan McKenna , Zachary Charles , Keith Rush , Brendan McMahan

Metric Differential Privacy (mDP) extends the local differential privacy (LDP) framework to metric spaces, enabling more nuanced privacy protection for data such as geo-locations. However, existing mDP optimization methods, particularly…

Cryptography and Security · Computer Science 2025-09-11 Ruiyao Liu , Chenxi Qiu

With the wide application of face recognition systems, there is rising concern that original face images could be exposed to malicious intents and consequently cause personal privacy breaches. This paper presents DuetFace, a novel…

Computer Vision and Pattern Recognition · Computer Science 2022-07-18 Yuxi Mi , Yuge Huang , Jiazhen Ji , Hongquan Liu , Xingkun Xu , Shouhong Ding , Shuigeng Zhou

Distributed privacy-preserving regression schemes have been developed and extended in various fields, where multiparty collaboratively and privately run optimization algorithms, e.g., Gradient Descent, to learn a set of optimal parameters.…

Machine Learning · Computer Science 2022-10-18 Xinlin Leng , Chenxu Li , Weifeng Xu , Yuyan Sun , Hongtao Wang

Face recognition technology has been used in many fields due to its high recognition accuracy, including the face unlocking of mobile devices, community access control systems, and city surveillance. As the current high accuracy is…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Jiazhen Ji , Huan Wang , Yuge Huang , Jiaxiang Wu , Xingkun Xu , Shouhong Ding , ShengChuan Zhang , Liujuan Cao , Rongrong Ji

Metric Differential Privacy (mDP) generalizes differential privacy by allowing privacy guarantees to be expressed with respect to an arbitrary distance metric over secrets. While mDP has been adopted in geo-location protection, most…

Cryptography and Security · Computer Science 2026-05-27 Gaoyi Chen , Yan Huang , Chenxi Qiu

Accurately localizing 3D objects like pedestrians, cyclists, and other vehicles is essential in Autonomous Driving. To ensure high detection performance, Autonomous Vehicles complement RGB cameras with LiDAR sensors, but effectively…

Computer Vision and Pattern Recognition · Computer Science 2026-01-16 Carlo Sgaravatti , Riccardo Pieroni , Matteo Corno , Sergio M. Savaresi , Luca Magri , Giacomo Boracchi

Due to the highly sensitive nature of certain data in cross-border sharing, collaborative cross-border recommendations and data sharing are often subject to stringent privacy protection regulations, resulting in insufficient data for model…

Machine Learning · Computer Science 2025-05-27 Zhizhong Tan , Jiexin Zheng , Xingxing Yang , Chi Zhang , Weiping Deng , Wenyong Wang

Automated monitoring and analysis of passenger movement in safety-critical parts of transport infrastructures represent a relevant visual surveillance task. Recent breakthroughs in visual representation learning and spatial sensing opened…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Marco Wallner , Daniel Steininger , Verena Widhalm , Matthias Schörghuber , Csaba Beleznai

Graph neural networks (GNNs) achieve strong performance on relational data, but real-world graphs are often distributed across organizations that cannot share raw data due to privacy and policy constraints. Existing federated GNN methods…

Machine Learning · Computer Science 2026-05-27 Zhishuai Guo , Wenhan Wu , Chen Chen , Lei Zhang , Olivera Kotevska , Ravi K Madduri

In recent years, there have been significant advancements in 3D reconstruction and dense RGB-D SLAM systems. One notable development is the application of Neural Radiance Fields (NeRF) in these systems, which utilizes implicit neural…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Tianchen Deng , Yanbo Wang , Hongle Xie , Hesheng Wang , Jingchuan Wang , Danwei Wang , Weidong Chen

Concerns on location privacy frequently arise with the rapid development of GPS enabled devices and location-based applications. While spatial transformation techniques such as location perturbation or generalization have been studied…

Databases · Computer Science 2015-11-05 Yonghui Xiao , Li Xiong

The collection of a lot of personal information about individuals, including the minor members of a family, by closed-circuit television (CCTV) cameras creates a lot of privacy concerns. Particularly, revealing children's identifications or…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Meng Yuan , Seyed Yahya Nikouei , Alem Fitwi , Yu Chen , Yunxi Dong

The integration of complementary characteristics from camera and radar data has emerged as an effective approach in 3D object detection. However, such fusion-based methods remain unexplored for place recognition, an equally important task…

Robotics · Computer Science 2024-03-25 Shaowei Fu , Yifan Duan , Yao Li , Chengzhen Meng , Yingjie Wang , Jianmin Ji , Yanyong Zhang

Conventional gradient-sharing approaches for federated learning (FL), such as FedAvg, rely on aggregation of local models and often face performance degradation under differential privacy (DP) mechanisms or data heterogeneity, which can be…

Machine Learning · Computer Science 2024-10-25 Hui-Po Wang , Dingfan Chen , Raouf Kerkouche , Mario Fritz

In recent years, local differential privacy (LDP) has emerged as a technique of choice for privacy-preserving data collection in several scenarios when the aggregator is not trustworthy. LDP provides client-side privacy by adding noise at…

Machine Learning · Statistics 2021-10-28 Tejas Kulkarni , Joonas Jälkö , Samuel Kaski , Antti Honkela

This paper details an application which yields significant improvements to the adeptness of place recognition with Frequency-Modulated Continuous-Wave radar - a commercially promising sensor poised for exploitation in mobile autonomy. We…

Robotics · Computer Science 2020-03-11 Matthew Gadd , Daniele De Martini , Paul Newman

Video background subtraction is one of the fundamental problems in computer vision that aims to segment all moving objects. Robust principal component analysis has been identified as a promising unsupervised paradigm for background…

Computer Vision and Pattern Recognition · Computer Science 2023-09-28 Basit Alawode , Sajid Javed