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Related papers: Privacy Preserving Face Recognition Utilizing Diff…

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In the recent past, different researchers have proposed privacy-enhancing face recognition systems designed to conceal soft-biometric attributes at feature level. These works have reported impressive results, but generally did not consider…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Dailé Osorio-Roig , Christian Rathgeb , Pawel Drozdowski , Philipp Terhörst , Vitomir Štruc , Christoph Busch

As image processing systems proliferate, privacy concerns intensify given the sensitive personal information contained in images. This paper examines privacy challenges in image processing and surveys emerging privacy-preserving techniques…

Cryptography and Security · Computer Science 2025-05-08 Maneesha , Bharat Gupta , Rishabh Sethi , Charvi Adita Das

The widespread sharing of face images on social media platforms and in large-scale datasets raises pressing privacy concerns, as biometric identifiers can be exploited without consent. Face anonymization seeks to generate realistic facial…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Luigi Celona , Simone Bianco , Raimondo Schettini

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

With eye tracking being increasingly integrated into virtual and augmented reality (VR/AR) head-mounted displays, preserving users' privacy is an ever more important, yet under-explored, topic in the eye tracking community. We report a…

Human-Computer Interaction · Computer Science 2019-05-01 Julian Steil , Inken Hagestedt , Michael Xuelin Huang , Andreas Bulling

The rapid growth of social media has led to the widespread sharing of individual portrait images, which pose serious privacy risks due to the capabilities of automatic face recognition (AFR) systems for mass surveillance. Hence, protecting…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Ali Salar , Qing Liu , Yingli Tian , Guoying Zhao

Large language models (LLMs) are primarily accessed via commercial APIs, but this often requires users to expose their data to service providers. In this paper, we explore how users can stay in control of their data by using privacy…

Computation and Language · Computer Science 2025-10-21 Guillem Ramírez , Alexandra Birch , Ivan Titov

Face recognition (FR) can be abused for privacy intrusion. Governments, private companies, or even individual attackers can collect facial images by web scraping to build an FR system identifying human faces without their consent. This…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Ka-Ho Chow , Sihao Hu , Tiansheng Huang , Ling Liu

Biometric matching involves storing and processing sensitive user information. Maintaining the privacy of this data is thus a major challenge, and homomorphic encryption offers a possible solution. We propose a privacy-preserving…

Cryptography and Security · Computer Science 2021-11-25 Gaëtan Pradel , Chris Mitchell

Face verification is a well-known image analysis application and is widely used to recognize individuals in contemporary society. However, most real-world recognition systems ignore the importance of protecting the identity-sensitive facial…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Huan-Chih Wang , Ja-Ling Wu

Small on-device models have been successfully trained with user-level differential privacy (DP) for next word prediction and image classification tasks in the past. However, existing methods can fail when directly applied to learn embedding…

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

Using real-world study data usually requires contractual agreements where research results may only be published in anonymized form. Requiring formal privacy guarantees, such as differential privacy, could be helpful for data-driven…

Cryptography and Security · Computer Science 2024-07-08 Jonas Allmann , Saskia Nuñez von Voigt , Florian Tschorsch

The excessive use of images in social networks, government databases, and industrial applications has posed great privacy risks and raised serious concerns from the public. Even though differential privacy (DP) is a widely accepted…

Cryptography and Security · Computer Science 2023-06-21 Hanyu Xue , Bo Liu , Ming Ding , Tianqing Zhu , Dayong Ye , Li Song , Wanlei Zhou

Complex event processing (CEP) is a powerful and increasingly more important tool to analyse data streams for Internet of Things (IoT) applications. These data streams often contain private information that requires proper protection.…

Databases · Computer Science 2023-05-12 He Gu , Thomas Plagemann , Maik Benndorf , Vera Goebel , Boris Koldehofe

The success of deep learning based face recognition systems has given rise to serious privacy concerns due to their ability to enable unauthorized tracking of users in the digital world. Existing methods for enhancing privacy fail to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Fahad Shamshad , Muzammal Naseer , Karthik Nandakumar

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

The proliferation of digital technologies has led to unprecedented data collection, with facial data emerging as a particularly sensitive commodity. Companies are increasingly leveraging advanced facial recognition technologies, often…

Cryptography and Security · Computer Science 2025-10-06 Lambert Hogenhout , Rinzin Wangmo

Photos of faces uploaded online are vulnerable to malicious actors who can scrape facial images from online sources and intrude on personal privacy via unauthorized use of facial recognition models. This paper presents FaceCloak, a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Zachary Yahn , Fatih Ilhan , Tiansheng Huang , Selim Tekin , Sihao Hu , Yichang Xu , Margaret Loper , Ling Liu

In today's data-driven analytics landscape, deep learning has become a powerful tool, with latent representations, known as embeddings, playing a central role in several applications. In the face analytics domain, such embeddings are…

Cryptography and Security · Computer Science 2025-05-20 Arjun Ramesh Kaushik , Bharat Chandra Yalavarthi , Arun Ross , Vishnu Boddeti , Nalini Ratha