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In the current data driven era, synthetic data, artificially generated data that resembles the characteristics of real world data without containing actual personal information, is gaining prominence. This is due to its potential to…

Machine Learning · Computer Science 2023-09-06 Tshilidzi Marwala , Eleonore Fournier-Tombs , Serge Stinckwich

The use of gait for person identification has important advantages such as being non-invasive, unobtrusive, not requiring cooperation and being less likely to be obscured compared to other biometrics. Existing methods for gait recognition…

Computer Vision and Pattern Recognition · Computer Science 2021-12-20 Adrian Cosma , Emilian Radoi

We present a framework for designing distorting mechanisms that allow remotely operating anomaly detectors while preserving privacy. We consider the problem setting in which a remote station seeks to identify anomalies using system…

Systems and Control · Electrical Eng. & Systems 2023-09-08 Haleh Hayati , Carlos Murguia , Nathan van de Wouw

Urban mobility data are indispensable for urban planning, transportation demand forecasting, pandemic modeling, and many other applications; however, individual mobile phone-derived Global Positioning System traces cannot generally be…

Social and Information Networks · Computer Science 2026-04-08 Jun'ichi Ozaki , Ryosuke Susuta , Takuhiro Moriyama , Yohei Shida

As autonomous vehicles become an every-day reality, high-accuracy pedestrian detection is of paramount practical importance. Pedestrian detection is a highly researched topic with mature methods, but most datasets focus on common scenes of…

Computer Vision and Pattern Recognition · Computer Science 2017-04-11 Shiyu Huang , Deva Ramanan

Pervasive integration of GPS-enabled devices and data acquisition technologies has led to an exponential increase in GPS trajectory data, fostering advancements in spatial-temporal data mining research. Nonetheless, GPS trajectories contain…

Machine Learning · Computer Science 2023-10-25 Yuanshao Zhu , Yongchao Ye , Shiyao Zhang , Xiangyu Zhao , James J. Q. Yu

Synthetic data generation is a fundamental task for many data management and data science applications. Spatial data is of particular interest, and its sensitive nature often leads to privacy concerns. We introduce GeoPointGAN, a novel…

Machine Learning · Computer Science 2022-05-19 Teddy Cunningham , Konstantin Klemmer , Hongkai Wen , Hakan Ferhatosmanoglu

Human mobility data has been ubiquitously collected through cellular networks and mobile applications, and publicly released for academic research and commercial purposes for the last decade. Since releasing individual's mobility records…

Computers and Society · Computer Science 2017-02-28 Fengli Xu , Zhen Tu , Yong Li , Pengyu Zhang , Xiaoming Fu , Depeng Jin

While data sharing is crucial for knowledge development, privacy concerns and strict regulation (e.g., European General Data Protection Regulation (GDPR)) unfortunately limits its full effectiveness. Synthetic tabular data emerges as an…

Machine Learning · Computer Science 2021-08-24 Aditya Kunar

Trajectory datasets of road users have become more important in the last years for safety validation of highly automated vehicles. Several naturalistic trajectory datasets with each more than 10.000 tracks were released and others will…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Christoph Glasmacher , Robert Krajewski , Lutz Eckstein

Institutions collect massive learning traces but they may not disclose it for privacy issues. Synthetic data generation opens new opportunities for research in education. In this paper we present a generative model for educational data that…

Computers and Society · Computer Science 2022-07-09 Jill-Jênn Vie , Tomas Rigaux , Sein Minn

Mobility patterns of vehicles and people provide powerful data sources for location-based services such as fleet optimization and traffic flow analysis. Location-based service providers must balance the value they extract from trajectory…

Cryptography and Security · Computer Science 2021-12-08 Stefano Bennati , Aleksandra Kovacevic

Predicting pedestrian motion trajectories is crucial for path planning and motion control of autonomous vehicles. Accurately forecasting crowd trajectories is challenging due to the uncertain nature of human motions in different…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Yu Liu , Yuexin Zhang , Kunming Li , Yongliang Qiao , Stewart Worrall , You-Fu Li , He Kong

Location data is collected from users continuously to understand their mobility patterns. Releasing the user trajectories may compromise user privacy. Therefore, the general practice is to release aggregated location datasets. However,…

Cryptography and Security · Computer Science 2024-01-17 Ammar Haydari , Chen-Nee Chuah , Michael Zhang , Jane Macfarlane , Sean Peisert

Vehicle-to-Vehicle (V2V) cooperative perception has great potential to enhance autonomous driving performance by overcoming perception limitations in complex adverse traffic scenarios (CATS). Meanwhile, data serves as the fundamental…

Access to medical data is highly restricted due to its sensitive nature, preventing communities from using this data for research or clinical training. Common methods of de-identification implemented to enable the sharing of data are…

Signal Processing · Electrical Eng. & Systems 2019-09-23 Anne Marie Delaney , Eoin Brophy , Tomas E. Ward

Biometric-based authentication systems are getting broadly adopted in many areas. However, these systems do not allow participating users to influence the way their data is used. Furthermore, the data may leak and can be misused without the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-25 Lubos Mjachky , Ivan Homoliak

Preservation of private user data is of paramount importance for high Quality of Experience (QoE) and acceptability, particularly with services treating sensitive data, such as IT-based health services. Whereas anonymization techniques were…

Machine Learning · Computer Science 2024-03-04 Navid Ashrafi , Vera Schmitt , Robert P. Spang , Sebastian Möller , Jan-Niklas Voigt-Antons

We provide an algorithm to privately generate continuous-time data (e.g. marginals from stochastic differential equations), which has applications in highly sensitive domains involving time-series data such as healthcare. We leverage the…

Machine Learning · Computer Science 2025-06-17 Anming Gu , Edward Chien , Kristjan Greenewald

This paper studies, for the first time, the trajectory planning problem in adversarial environments, where the objective is to design the trajectory of a robot to reach a desired final state despite the unknown and arbitrary action of an…

Optimization and Control · Mathematics 2019-10-25 Yin-Chen Liu , Gianluca Bianchin , Fabio Pasqualetti