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Camera glasses create fundamental privacy tensions between wearers seeking recording functionality and bystanders concerned about unauthorized surveillance. We present a systematic multi-stakeholder evaluation of privacy mechanisms through…

Human-Computer Interaction · Computer Science 2026-03-06 Xueyang Wang , Kewen Peng , Xin Yi , Hewu Li

User-generated content, such as photos, comprises the majority of online media content and drives engagement due to the human ability to process visual information quickly. Consequently, many online platforms are designed for sharing visual…

Human-Computer Interaction · Computer Science 2026-01-08 Mete Harun Akcay , Siddharth Prakash Rao , Alexandros Bakas , Buse Gul Atli

The wide adoption of wearable smart devices with onboard cameras greatly increases people's concern on privacy infringement. Here we explore the possibility of easing persons from photos captured by smart devices according to their privacy…

Cryptography and Security · Computer Science 2014-10-27 Lan Zhang , Kebin Liu , Xiang-Yang Li , Puchun Feng , Cihang Liu , Yunhao Liu

Due to the abrupt arise of pandemic worldwide, the video conferencing platforms are becoming ubiquitously available and being embedded into either various digital devices or the collaborative daily work. Even though the service provider has…

Human-Computer Interaction · Computer Science 2021-10-26 Shijing He , Yaxiong Lei

With an increasing number of users sharing information online, privacy implications entailing such actions are a major concern. For explicit content, such as user profile or GPS data, devices (e.g. mobile phones) as well as web services…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Tribhuvanesh Orekondy , Bernt Schiele , Mario Fritz

Privacy policies have become the most critical approach to safeguarding individuals' privacy and digital security. To enhance their presentation and readability, researchers propose the concept of contextual privacy policies (CPPs), aiming…

Cryptography and Security · Computer Science 2023-07-11 Shidong Pan , Zhen Tao , Thong Hoang , Dawen Zhang , Zhenchang Xing , Xiwei Xu , Mark Staples , David Lo

Vision is the most important sense for people, and it is also one of the main ways of cognition. As a result, people tend to utilize visual content to capture and share their life experiences, which greatly facilitates the transfer of…

Cryptography and Security · Computer Science 2023-03-30 Ruoyu Zhao , Yushu Zhang , Tao Wang , Wenying Wen , Yong Xiang , Xiaochun Cao

Nowadays many people store photos in smartphones. Many of the photos contain sensitive, private information, such as a photocopy of driver's license and credit card. An arising privacy concern is with the unauthorized accesses to such…

Cryptography and Security · Computer Science 2020-05-26 Ang Li , David Darling , Qinghua Li

Coordination of view coverage via privacy-aware smart cameras is key to a more socially responsible urban intelligence. Rather than maximizing view coverage at any cost or over relying on expensive cryptographic techniques, we address how…

Cryptography and Security · Computer Science 2026-03-25 Chuhao Qin , Lukas Esterle , Evangelos Pournaras

Camera-based technology can be privacy-invasive, especially for bystanders who can be captured by the cameras but do not have direct control or access to the devices. The privacy threats become even more significant to bystanders with…

Human-Computer Interaction · Computer Science 2022-10-25 Yuhang Zhao , Yaxing Yao , Jiaru Fu , Nihan Zhou

Knowing who is in one's vicinity is key to managing privacy in everyday environments, but is challenging for people with visual impairments. Wearable cameras and other sensors may be able to detect such information, but how should this…

Human-Computer Interaction · Computer Science 2019-04-15 Tousif Ahmed , Rakibul Hasan , Kay Connelly , David Crandall , Apu Kapadia

Eyewear devices, such as augmented reality displays, increasingly integrate eye tracking but the first-person camera required to map a user's gaze to the visual scene can pose a significant threat to user and bystander privacy. We present…

Human-Computer Interaction · Computer Science 2019-05-27 Julian Steil , Marion Koelle , Wilko Heuten , Susanne Boll , Andreas Bulling

Visually impaired people are often confronted with new environments and they find themselves face to face with an innumerous amount of difficulties when facing these environments. Having to surpass and deal with these difficulties that…

Human-Computer Interaction · Computer Science 2014-02-07 Ivo Rafael

Privacy is important for all individuals in everyday life. With emerging technologies, smartphones with AR, various social networking applications and artificial intelligence driven modes of surveillance, they tend to intrude privacy. This…

Computers and Society · Computer Science 2021-07-26 Priyam Rajkhowa , Pradipta Biswas

Nowadays computing becomes increasingly mobile and pervasive. One of the important steps in pervasive computing is context-awareness. Context-aware pervasive systems rely on information about the context and user preferences to adapt their…

Networking and Internet Architecture · Computer Science 2010-07-09 Tam Van Nguyen , Wontaek Lim , Huy Nguyen , Deokjai Choi

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

Recent studies observe that app foreground is the most striking component that influences the access control decisions in mobile platform, as users tend to deny permission requests lacking visible evidence. However, none of the existing…

Cryptography and Security · Computer Science 2019-01-24 Hao Fu , Zizhan Zheng , Sencun Zhu , Pransant Mohapatra

The accelerated use of digital cameras prompts an increasing concern about privacy and security, particularly in applications such as action recognition. In this paper, we propose an optimizing framework to provide robust visual privacy…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Carlos Hinojosa , Miguel Marquez , Henry Arguello , Ehsan Adeli , Li Fei-Fei , Juan Carlos Niebles

For improving e-health services, we propose a context-aware framework to monitor the activities of daily living of dependent persons. We define a strategy for generating long-term realistic scenarios and a framework containing an adaptive…

Computers and Society · Computer Science 2018-06-13 Haider Mshali , Tayeb Lemlouma , Damien Magoni

We present ConXsense, the first framework for context-aware access control on mobile devices based on context classification. Previous context-aware access control systems often require users to laboriously specify detailed policies or they…

Cryptography and Security · Computer Science 2014-06-06 Markus Miettinen , Stephan Heuser , Wiebke Kronz , Ahmad-Reza Sadeghi , N. Asokan
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