English
Related papers

Related papers: LDP-Feat: Image Features with Local Differential P…

200 papers

Analyzing data owned by several parties while achieving a good trade-off between utility and privacy is a key challenge in federated learning and analytics. In this work, we introduce a novel relaxation of local differential privacy (LDP)…

Machine Learning · Computer Science 2022-03-08 Edwige Cyffers , Aurélien Bellet

Preserving privacy is a growing concern in our society where sensors and cameras are ubiquitous. In this work, for the first time, we propose a trainable image acquisition method that removes the sensitive identity revealing information in…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Yamin Sepehri , Pedram Pad , Pascal Frossard , L. Andrea Dunbar

We introduce the novel problem of benchmarking fraud detectors on private graph-structured data. Currently, many types of fraud are managed in part by automated detection algorithms that operate over graphs. We consider the scenario where a…

Cryptography and Security · Computer Science 2025-07-31 Alexander Goldberg , Giulia Fanti , Nihar Shah , Zhiwei Steven Wu

Deep learning-based face recognition (FR) systems pose significant privacy risks by tracking users without their consent. While adversarial attacks can protect privacy, they often produce visible artifacts compromising user experience. To…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

Large-scale data collection, from national censuses to IoT-enabled smart homes, routinely gathers dozens of attributes per individual. These multi-attribute datasets are crucial for analytics but pose significant privacy risks. Local…

Cryptography and Security · Computer Science 2025-12-17 Shafizur Rahman Seeam , Ye Zheng , Yidan Hu

Vision classifiers are often trained on proprietary datasets containing sensitive information, yet the models themselves are frequently shared openly under the privacy-preserving assumption. Although these models are assumed to protect…

Machine Learning · Computer Science 2025-02-04 Pirzada Suhail , Amit Sethi

Federated Learning (FL) enables collaborative model training without direct data sharing, yet it remains vulnerable to privacy attacks such as model inversion and membership inference. Existing differential privacy (DP) solutions for FL…

Cryptography and Security · Computer Science 2026-01-06 Yunbo Li , Jiaping Gui , Fanchao Meng , Yue Wu

Adversarial perturbations can be added to images to protect their content from unwanted inferences. These perturbations may, however, be ineffective against classifiers that were not {seen} during the generation of the perturbation, or…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Ricardo Sanchez-Matilla , Chau Yi Li , Ali Shahin Shamsabadi , Riccardo Mazzon , Andrea Cavallaro

Real-world data is usually segmented by attributes and distributed across different parties. Federated learning empowers collaborative training without exposing local data or models. As we demonstrate through designed attacks, even with a…

Machine Learning · Computer Science 2021-04-30 Shuang Zhang , Liyao Xiang , Xi Yu , Pengzhi Chu , Yingqi Chen , Chen Cen , Li Wang

Data scientists often seek to identify the most important features in high-dimensional datasets. This can be done through $L_1$-regularized regression, but this can become inefficient for very high-dimensional datasets. Additionally,…

Machine Learning · Computer Science 2024-08-26 Ryan Swope , Amol Khanna , Philip Doldo , Saptarshi Roy , Edward Raff

In this paper, we propose a novel generative model-based attack on learnable image encryption methods proposed for privacy-preserving deep learning. Various learnable encryption methods have been studied to protect the sensitive visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 AprilPyone MaungMaung , Hitoshi Kiya

With diverse presentation forgery methods emerging continually, detecting the authenticity of images has drawn growing attention. Although existing methods have achieved impressive accuracy in training dataset detection, they still perform…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yingxin Lai , Guoqing Yang Yifan He , Zhiming Luo , Shaozi Li

This paper studies a novel privacy-preserving anonymization problem for pedestrian images, which preserves personal identity information (PII) for authorized models and prevents PII from being recognized by third parties. Conventional…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Junwu Zhang , Mang Ye , Yao Yang

When collecting information, local differential privacy (LDP) relieves the concern of privacy leakage from users' perspective, as user's private information is randomized before sent to the aggregator. We study the problem of recovering the…

Cryptography and Security · Computer Science 2019-12-04 Zitao Li , Tianhao Wang , Milan Lopuhaä-Zwakenberg , Boris Skoric , Ninghui Li

Large vision models (LVMs) achieve remarkable performance in various downstream tasks, primarily by personalizing pre-trained models through fine-tuning with private and valuable local data, which makes the personalized model a valuable…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Linghui Zhu , Yiming Li , Haiqin Weng , Yan Liu , Tianwei Zhang , Shu-Tao Xia , Zhi Wang

This paper investigates the security vulnerabilities of adversarial-example-based image encryption by executing data reconstruction (DR) attacks on encrypted images. A representative image encryption method is the adversarial visual…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Jonggyu Jang , Hyeonsu Lyu , Seongjin Hwang , Hyun Jong Yang

While invaluable for many computer vision applications, decomposing a natural image into intrinsic reflectance and shading layers represents a challenging, underdetermined inverse problem. As opposed to strict reliance on conventional…

Computer Vision and Pattern Recognition · Computer Science 2018-09-03 Qingnan Fan , Jiaolong Yang , Gang Hua , Baoquan Chen , David Wipf

As the privacy risks posed by camera surveillance and facial recognition have grown, so has the research into privacy preservation algorithms. Among these, visual privacy preservation algorithms attempt to impart bodily privacy to subjects…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Sophie Noiret , Siddharth Ravi , Martin Kampel , Francisco Florez-Revuelta

While widely adopted in practical applications, face recognition has been critically discussed regarding the malicious use of face images and the potential privacy problems, e.g., deceiving payment system and causing personal sabotage.…

Cryptography and Security · Computer Science 2020-08-05 Jiaming Zhang , Jitao Sang , Xian Zhao , Xiaowen Huang , Yanfeng Sun , Yongli Hu

Local differential privacy (LDP) can provide each user with strong privacy guarantees under untrusted data curators while ensuring accurate statistics derived from privatized data. Due to its powerfulness, LDP has been widely adopted to…

Cryptography and Security · Computer Science 2019-06-06 Teng Wang , Jun Zhao , Xinyu Yang , Xuebin Ren