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Related papers: Video-DPRP: A Differentially Private Approach for …

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How can we explore the unknown properties of high-dimensional sensitive relational data while preserving privacy? We study how to construct an explorable privacy-preserving materialized view under differential privacy. No existing…

Databases · Computer Science 2022-05-27 Fumiyuki Kato , Tsubasa Takahashi , Shun Takagi , Yang Cao , Seng Pei Liew , Masatoshi Yoshikawa

Static appearance of video may impede the ability of a deep neural network to learn motion-relevant features in video action recognition. In this paper, we introduce a new concept, Dynamic Appearance (DA), summarizing the appearance…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Guoxi Huang , Adrian G. Bors

We consider the problem of secret protection, in which a business or organization wishes to train a model on their own data, while attempting to not leak secrets potentially contained in that data via the model. The standard method for…

Cryptography and Security · Computer Science 2025-06-03 Arun Ganesh , Brendan McMahan , Milad Nasr , Thomas Steinke , Abhradeep Thakurta

Federated learning enhanced with Differential Privacy (DP) is a powerful privacy-preserving strategy to protect individuals sharing their sensitive data for processing in fields such as medicine and healthcare. Many medical applications,…

Cryptography and Security · Computer Science 2024-10-03 Anneliese Riess , Alexander Ziller , Stefan Kolek , Daniel Rueckert , Julia Schnabel , Georgios Kaissis

Many high-stakes applications require machine learning models that protect user privacy and provide well-calibrated, accurate predictions. While Differential Privacy (DP) is the gold standard for protecting user privacy, standard DP…

Machine Learning · Computer Science 2025-05-09 Ossi Räisä , Stratis Markou , Matthew Ashman , Wessel P. Bruinsma , Marlon Tobaben , Antti Honkela , Richard E. Turner

Machine learning (ML) can help fight pandemics like COVID-19 by enabling rapid screening of large volumes of images. To perform data analysis while maintaining patient privacy, we create ML models that satisfy Differential Privacy (DP).…

Machine Learning · Computer Science 2026-02-03 Lucas Lange , Maja Schneider , Peter Christen , Erhard Rahm

Vision-language models are increasingly applied to sensitive domains such as medical imaging and personal photographs, yet existing differentially private methods for in-context learning are limited to few-shot, text-only settings because…

Artificial Intelligence · Computer Science 2026-03-06 Ivoline C. Ngong , Zarreen Reza , Joseph P. Near

Differential privacy (DP) auditing is essential for evaluating privacy guarantees in machine learning systems. Existing auditing methods, however, pose a significant challenge for large-scale systems since they require modifying the…

Machine Learning · Computer Science 2026-01-21 Iden Kalemaj , Luca Melis , Maxime Boucher , Ilya Mironov , Saeed Mahloujifar

Sensor-based Human Activity Recognition (HAR) is a core technology that enables intelligent systems to perceive and interact with their environment. However, multimodal HAR systems still encounter key challenges, such as difficulties in…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Panpan Ji , Junni Song , Yifan Lu , Hang Xiao , Hanyu Liu , Chao Li

Preserving the privacy of preferences (or rewards) of a sequential decision-making agent when decisions are observable is crucial in many physical and cybersecurity domains. For instance, in wildlife monitoring, agents must allocate…

Artificial Intelligence · Computer Science 2024-07-16 Shashank Reddy Chirra , Pradeep Varakantham , Praveen Paruchuri

Massive human-related data is collected to train neural networks for computer vision tasks. A major conflict is exposed relating to software engineers between better developing AI systems and distancing from the sensitive training data. To…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Fusheng Hao , Fengxiang He , Yikai Wang , Fuxiang Wu , Jing Zhang , Jun Cheng , Dacheng Tao

Facial expression recognition relies on facial data that inherently expose identity and thus raise significant privacy concerns. Current privacy-preserving methods typically fail in realistic open-set video settings where identities are…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Feng Xu , Xun Li , Lars Petersson , Yulei Sui , David Ahmedt-Aristizabal , Dadong Wang

Differential Privacy (DP) is a widely adopted technique, valued for its effectiveness in protecting the privacy of task-specific datasets, making it a critical tool for large language models. However, its effectiveness in Multimodal Large…

Cryptography and Security · Computer Science 2025-06-10 Qianshan Wei , Jiaqi Li , Zihan You , Yi Zhan , Kecen Li , Jialin Wu , Xinfeng Li Hengjun Liu , Yi Yu , Bin Cao , Yiwen Xu , Yang Liu , Guilin Qi

Human action recognition (HAR) in videos is a fundamental research topic in computer vision. It consists mainly in understanding actions performed by humans based on a sequence of visual observations. In recent years, HAR have witnessed…

Computer Vision and Pattern Recognition · Computer Science 2020-10-30 Soufiane Lamghari , Guillaume-Alexandre Bilodeau , Nicolas Saunier

Several companies (e.g., Meta, Google) have initiated "data-for-good" projects where aggregate location data are first sanitized and released publicly, which is useful to many applications in transportation, public health (e.g., COVID-19…

Databases · Computer Science 2022-08-23 Ritesh Ahuja , Sepanta Zeighami , Gabriel Ghinita , Cyrus Shahabi

The application of differential privacy to the training of deep neural networks holds the promise of allowing large-scale (decentralized) use of sensitive data while providing rigorous privacy guarantees to the individual. The predominant…

Machine Learning · Computer Science 2021-08-11 Moritz Knolle , Dmitrii Usynin , Alexander Ziller , Marcus R. Makowski , Daniel Rueckert , Georgios Kaissis

New generation head-mounted displays, such as VR and AR glasses, are coming into the market with already integrated eye tracking and are expected to enable novel ways of human-computer interaction in numerous applications. However, since…

Cryptography and Security · Computer Science 2021-12-21 Efe Bozkir , Onur Günlü , Wolfgang Fuhl , Rafael F. Schaefer , Enkelejda Kasneci

Data privacy is an essential issue in publishing data visualizations. However, it is challenging to represent multiple data patterns in privacy-preserving visualizations. The prior approaches target specific chart types or perform an…

Human-Computer Interaction · Computer Science 2023-03-20 Jiehui Zhou , Xumeng Wang , Jason K. Wong , Huanliang Wang , Zhongwei Wang , Xiaoyu Yang , Xiaoran Yan , Haozhe Feng , Huamin Qu , Haochao Ying , Wei Chen

Private and public organizations regularly collect and analyze digitalized data about their associates, volunteers, clients, etc. However, because most personal data are sensitive, there is a key challenge in designing privacy-preserving…

Cryptography and Security · Computer Science 2022-04-05 Héber H. Arcolezi

Differential privacy (DP) is crucial for safeguarding sensitive client information in federated learning (FL), yet traditional DP-FL methods rely predominantly on fixed gradient clipping thresholds. Such static clipping neglects significant…

Cryptography and Security · Computer Science 2026-03-26 Hao Zhou , Siqi Cai , Hua Dai , Geng Yang , Jing Luo , Hui Cai