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Recent advancements in generative AI have made it possible to create synthetic datasets that can be as accurate as real-world data for training AI models, powering statistical insights, and fostering collaboration with sensitive datasets…

Machine Learning · Computer Science 2025-01-08 Amy Steier , Lipika Ramaswamy , Andre Manoel , Alexa Haushalter

In this paper we investigate the feasibility of using synthetic data to augment face datasets. In particular, we propose a novel generative adversarial network (GAN) that can disentangle identity-related attributes from non-identity-related…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

While generation of synthetic data under differential privacy (DP) has received a lot of attention in the data privacy community, analysis of synthetic data has received much less. Existing work has shown that simply analysing DP synthetic…

Machine Learning · Statistics 2023-02-27 Ossi Räisä , Joonas Jälkö , Samuel Kaski , Antti Honkela

Synthetic data generation offers a promising solution to enhance the usefulness of Electronic Healthcare Records (EHR) by generating realistic de-identified data. However, the existing literature primarily focuses on the quality of…

Machine Learning · Computer Science 2024-04-29 Resmi Ramachandranpillai , Md Fahim Sikder , David Bergström , Fredrik Heintz

Spatiotemporal data is prevalent in a wide range of edge devices, such as those used in personal communication and financial transactions. Recent advancements have sparked a growing interest in integrating spatiotemporal analysis with…

Training even moderately-sized generative models with differentially-private stochastic gradient descent (DP-SGD) is difficult: the required level of noise for reasonable levels of privacy is simply too large. We advocate instead building…

Machine Learning · Statistics 2023-07-21 Fredrik Harder , Milad Jalali Asadabadi , Danica J. Sutherland , Mijung Park

Designing privacy-preserving machine learning algorithms has received great attention in recent years, especially in the setting when the data contains sensitive information. Differential privacy (DP) is a widely used mechanism for data…

Machine Learning · Computer Science 2025-09-11 Chunyang Liao , Deanna Needell , Hayden Schaeffer , Alexander Xue

We explore the privacy-utility tradeoff of synthetic data generation schemes on tabular financial datasets, a domain characterized by high regulatory risk and severe class imbalance. We consider representative tabular data generators,…

Machine Learning · Computer Science 2026-02-11 Michael Zuo , Inwon Kang , Stacy Patterson , Oshani Seneviratne

State-of-the-art pedestrian detection models have achieved great success in many benchmarks. However, these models require lots of annotation information and the labeling process usually takes much time and efforts. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Xi Ouyang , Yu Cheng , Yifan Jiang , Chun-Liang Li , Pan Zhou

In this work, we explore differentially private synthetic data generation in a decentralized-data setting by building on the recently proposed Differentially Private Class-Centric Data Aggregation (DP-CDA). DP-CDA synthesizes data in a…

Machine Learning · Statistics 2025-09-15 Utsab Saha , Tanvir Muntakim Tonoy , Hafiz Imtiaz

Recent advances in deep learning demonstrate the ability to generate synthetic gaze data. However, most approaches have primarily focused on generating data from random noise distributions or global, predefined latent embeddings, whereas…

Human-Computer Interaction · Computer Science 2025-11-14 Kamrul Hasan , Dmytro Katrychuk , Mehedi Hasan Raju , Oleg V. Komogortsev

In this work, we introduce a differentially private method for generating synthetic data from vertically partitioned data, \emph{i.e.}, where data of the same individuals is distributed across multiple data holders or parties. We present a…

Machine Learning · Computer Science 2022-09-05 Razane Tajeddine , Joonas Jälkö , Samuel Kaski , Antti Honkela

Differential privacy has become a de facto standard for releasing data in a privacy-preserving way. Creating a differentially private algorithm is a process that often starts with a noise-free (non-private) algorithm. The designer then…

Cryptography and Security · Computer Science 2021-09-16 Yuxin Wang , Zeyu Ding , Yingtai Xiao , Daniel Kifer , Danfeng Zhang

With the rising demand for wireless services and increased awareness of the need for data protection, existing network traffic analysis and management architectures are facing unprecedented challenges in classifying and synthesizing the…

Machine Learning · Computer Science 2023-02-02 Yong Xiao , Rong Xia , Yingyu Li , Guangming Shi , Diep N. Nguyen , Dinh Thai Hoang , Dusit Niyato , Marwan Krunz

Synthetic data generation is one approach for sharing individual-level data. However, to meet legislative requirements, it is necessary to demonstrate that the individuals' privacy is adequately protected. There is no consolidated standard…

Differentially private graph analysis is a powerful tool for deriving insights from diverse graph data while protecting individual information. Designing private analytic algorithms for different graph queries often requires starting from…

Databases · Computer Science 2024-12-10 Shang Liu , Hao Du , Yang Cao , Bo Yan , Jinfei Liu , Masatoshi Yoshikawa

Deep neural networks (DNNs) have recently been widely adopted in various applications, and such success is largely due to a combination of algorithmic breakthroughs, computation resource improvements, and access to a large amount of data.…

Cryptography and Security · Computer Science 2018-12-07 Qingrong Chen , Chong Xiang , Minhui Xue , Bo Li , Nikita Borisov , Dali Kaarfar , Haojin Zhu

We provide a differentially private algorithm for producing synthetic data simultaneously useful for multiple tasks: marginal queries and multitask machine learning (ML). A key innovation in our algorithm is the ability to directly handle…

Manipulating facial expressions is a challenging task due to fine-grained shape changes produced by facial muscles and the lack of input-output pairs for supervised learning. Unlike previous methods using Generative Adversarial Networks…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rumeysa Bodur , Binod Bhattarai , Tae-Kyun Kim

How can we release a massive volume of sensitive data while mitigating privacy risks? Privacy-preserving data synthesis enables the data holder to outsource analytical tasks to an untrusted third party. The state-of-the-art approach for…

Machine Learning · Computer Science 2022-03-08 Shun Takagi , Tsubasa Takahashi , Yang Cao , Masatoshi Yoshikawa