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We propose a novel and practical privacy notion called $f$-Membership Inference Privacy ($f$-MIP), which explicitly considers the capabilities of realistic adversaries under the membership inference attack threat model. Consequently,…

机器学习 · 计算机科学 2023-10-27 Tobias Leemann , Martin Pawelczyk , Gjergji Kasneci

Objective: In this paper, we demonstrate the applicability of radar for gait classification with application to home security, medical diagnosis, rehabilitation and assisted living. Aiming at identifying changes in gait patterns based on…

信号处理 · 电气工程与系统科学 2019-02-05 Ann-Kathrin Seifert , Moeness G. Amin , Abdelhak M. Zoubir

Differential privacy(DP) has now become a standard in case of sensitive statistical data analysis. The two main approaches in DP is local and central. Both the approaches have a clear gap in terms of data storing,amount of data to be…

密码学与安全 · 计算机科学 2020-01-07 Sudipta Paul , Subhankar Mishra

This paper investigates the problem of forecasting multivariate aggregated human mobility while preserving the privacy of the individuals concerned. Differential privacy, a state-of-the-art formal notion, has been used as the privacy…

机器学习 · 计算机科学 2022-06-06 Héber H. Arcolezi , Jean-François Couchot , Denis Renaud , Bechara Al Bouna , Xiaokui Xiao

Gait recognition is widely used in diversified practical applications. Currently, the most prevalent approach is to recognize human gait from RGB images, owing to the progress of computer vision technologies. Nevertheless, the perception…

计算机视觉与模式识别 · 计算机科学 2022-11-02 Yanyan Huang , Yong Wang , Kun Shi , Chaojie Gu , Yu Fu , Cheng Zhuo , Zhiguo Shi

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…

Federated Learning (FL) allows for the training of Machine Learning models in a collaborative manner without the need to share sensitive data. However, it remains vulnerable to Gradient Leakage Attacks (GLAs), which can reveal private…

机器学习 · 计算机科学 2025-10-29 Miguel Fernandez-de-Retana , Unai Zulaika , Rubén Sánchez-Corcuera , Aitor Almeida

Researchers in pervasive computing have worked for decades on sensor-based human activity recognition (HAR). Among the digital health applications, the recognition of activities of daily living (ADL) in smart home environments enables the…

人机交互 · 计算机科学 2025-04-22 Claudio Bettini , Azin Moradbeikie , Gabriele Civitarese

Generative Adversarial Networks (GANs) and diffusion models have emerged as leading approaches for high-quality image synthesis. While both can be trained under differential privacy (DP) to protect sensitive data, their sensitivity to…

机器学习 · 计算机科学 2025-09-04 Ilana Sebag , Jean-Yves Franceschi , Alain Rakotomamonjy , Alexandre Allauzen , Jamal Atif

With the recent remarkable advancement of large language models (LLMs), there has been a growing interest in utilizing them in the domains with highly sensitive data that lies outside their training data. For this purpose,…

密码学与安全 · 计算机科学 2025-11-13 Tatsuki Koga , Ruihan Wu , Zhiyuan Zhang , Kamalika Chaudhuri

Modern wearable and mobile devices are equipped with inertial measurement units (IMUs). Human Activity Recognition (HAR) applications running on such devices use machine-learning-based, data-driven techniques that leverage such sensor data.…

机器学习 · 计算机科学 2026-03-13 Alex Gn , Fan Li , S Kuniyilh , Ada Axan

Human activity recognition (HAR) requires extracting accurate spatial-temporal features with human movements. A mmWave radar point cloud-based HAR system suffers from sparsity and variable-size problems due to the physical features of the…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Senhao Gao , Junqing Zhang , Luoyu Mei , Shuai Wang , Xuyu Wang

Differentially Private Stochastic Gradient Descent with Gradient Clipping (DPSGD-GC) is a powerful tool for training deep learning models using sensitive data, providing both a solid theoretical privacy guarantee and high efficiency.…

机器学习 · 计算机科学 2024-04-18 Xinwei Zhang , Zhiqi Bu , Zhiwei Steven Wu , Mingyi Hong

As data-driven technologies advance swiftly, maintaining strong privacy measures becomes progressively difficult. Conventional $(\epsilon, \delta)$-differential privacy, while prevalent, exhibits limited adaptability for many applications.…

密码学与安全 · 计算机科学 2025-07-03 Yifeng Liu , Zehua Wang

This work studies anomaly detection under differential privacy (DP) with Gaussian perturbation using both statistical and information-theoretic tools. In our setting, the adversary aims to modify the content of a statistical dataset by…

信息论 · 计算机科学 2022-08-23 Ayse Unsal , Melek Onen

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

Multi-domain graph pre-training has emerged as a pivotal technique in developing graph foundation models. While it greatly improves the generalization of graph neural networks, its privacy risks under membership inference attacks (MIAs),…

机器学习 · 计算机科学 2025-11-25 Jiayi Luo , Qingyun Sun , Yuecen Wei , Haonan Yuan , Xingcheng Fu , Jianxin Li

In this paper we measure the effectiveness of $\epsilon$-Differential Privacy (DP) when applied to medical imaging. We compare two robust differential privacy mechanisms: Local-DP and DP-SGD and benchmark their performance when analyzing…

机器学习 · 计算机科学 2020-09-08 Sahib Singh , Harshvardhan Sikka , Sasikanth Kotti , Andrew Trask

Human Activity Recognition (HAR) systems aim to understand human behaviour and assign a label to each action, attracting significant attention in computer vision due to their wide range of applications. HAR can leverage various data…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Jungpil Shin , Najmul Hassan , Abu Saleh Musa Miah1 , Satoshi Nishimura

Machine Learning (ML) models integrated with in-situ sensing offer transformative solutions for defect detection in Additive Manufacturing (AM), but this integration brings critical challenges in safeguarding sensitive data, such as part…

机器学习 · 计算机科学 2025-03-19 Fardin Jalil Piran , Prathyush P. Poduval , Hamza Errahmouni Barkam , Mohsen Imani , Farhad Imani