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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…

密码学与安全 · 计算机科学 2023-03-30 Ruoyu Zhao , Yushu Zhang , Tao Wang , Wenying Wen , Yong Xiang , Xiaochun Cao

Augmented reality (AR) has gained increasingly attention from both research and industry communities. By overlaying digital information and content onto the physical world, AR enables users to experience the world in a more informative and…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Rui Huang , Chuan Fang , Kejie Qiu , Le Cui , Zilong Dong , Siyu Zhu , Ping Tan

Location-based augmented reality (LB-AR) applications, such as Pok\'emon Go, stream sub-second GPS updates to deliver responsive and immersive user experiences. However, this high-frequency location reporting introduces serious privacy…

密码学与安全 · 计算机科学 2025-08-05 Shafizur Rahman Seeam , Ye Zheng , Zhengxiong Li , Yidan Hu

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…

计算机与社会 · 计算机科学 2021-07-26 Priyam Rajkhowa , Pradipta Biswas

ROI (Region of Interest) video selective encryption based on H.265/HEVC is a technology that protects the sensitive regions of videos by perturbing the syntax elements associated with target areas. However, existing methods typically adopt…

图像与视频处理 · 电气工程与系统科学 2026-04-10 Xiang Zhang , Haoyan Lu , Ziqiang Li , Ziwen He , Zhenshan Tan , Fei Peng , Zhangjie Fu

Region-of-Interest (ROI) location information in videos has many practical usages in video coding field, such as video content analysis and user experience improvement. Although ROI-based coding has been studied widely by many researchers…

多媒体 · 计算机科学 2016-11-17 Mingliang Chen , Weiyao Lin , Xiaozhen Zheng

Aerial surveillance from Unmanned Aerial Vehicles (UAVs), i.e. with moving cameras, is of growing interest for police as well as disaster area monitoring. For more detailed ground images the camera resolutions are steadily increasing.…

图像与视频处理 · 电气工程与系统科学 2018-01-22 Holger Meuel , Florian Kluger , Jörn Ostermann

Multimodal Large Language Models (MLLMs) enhance collaboration in Extended Reality (XR) environments by enabling flexible object and animation creation through the combination of natural language and visual inputs. However, visual data…

密码学与安全 · 计算机科学 2026-04-21 Jiangong Chen , Mingyu Zhu , Bin Li

Route planning and navigation are common tasks that often require additional information on points of interest. Augmented Reality (AR) enables mobile users to utilize text labels, in order to provide a composite view associated with…

人机交互 · 计算机科学 2021-08-06 Thomas Köppel , M. Eduard Gröller , Hsiang-Yun Wu

Gaze-based selection in XR requires visual confirmation due to eye-tracking limitations and target ambiguity in 3D contexts. Current designs for wide-FOV displays use world-locked, central overlays, which are not conducive to always-on AR…

人机交互 · 计算机科学 2026-03-20 Yutong Ren , Arnav Reddy , Michael Nebeling

We provide an experimental evaluation of a wearable augmented reality (AR) system we have developed for human-robot teams working on tasks requiring collaboration in shared physical workspace. Recent advances in AR technology have…

Artificial Intelligence (AI) has attracted a great deal of attention in recent years. However, alongside all its advancements, problems have also emerged, such as privacy violations, security issues and model fairness. Differential privacy,…

密码学与安全 · 计算机科学 2020-09-01 Tianqing Zhu , Dayong Ye , Wei Wang , Wanlei Zhou , Philip S. Yu

Delivering high-quality, secure 360{\deg} video content introduces unique challenges, primarily due to the high bitrates and interactive demands of immersive media. Traditional HTTPS-based methods, although widely used, face limitations in…

多媒体 · 计算机科学 2025-05-08 Mohammad Waquas Usmani , Susmit Shannigrahi , Michael Zink

Eye-tracking technology can aid in understanding neurodevelopmental disorders and tracing a person's identity. However, this technology poses a significant risk to privacy, as it captures sensitive information about individuals and…

密码学与安全 · 计算机科学 2025-09-09 Abdul Rehman , Are Dæhlen , Ilona Heldal , Jerry Chun-wei Lin

In the evolving landscape of human-centric systems, personalized privacy solutions are becoming increasingly crucial due to the dynamic nature of human interactions. Traditional static privacy models often fail to meet the diverse and…

机器学习 · 计算机科学 2024-11-14 Mojtaba Taherisadr , Salma Elmalaki

With the prevailing of live video streaming, establishing an online pixelation method for privacy-sensitive objects is an urgency. Caused by the inaccurate detection of privacy-sensitive objects, simply migrating the tracking-by-detection…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Jizhe Zhou , Chi-Man Pun , Yu Tong

Security monitoring via ubiquitous cameras and their more extended in intelligent buildings stand to gain from advances in signal processing and machine learning. While these innovative and ground-breaking applications can be considered as…

密码学与安全 · 计算机科学 2026-05-06 Mehmet Yamac , Mete Ahishali , Nikolaos Passalis , Jenni Raitoharju , Bulent Sankur , Moncef Gabbouj

As extended reality (XR) systems become increasingly immersive and sensor-rich, they enable the collection of behavioral signals such as eye and body telemetry. These signals support personalized and responsive experiences and may also…

人机交互 · 计算机科学 2025-10-21 Azim Ibragimov , Ethan Wilson , Kevin R. B. Butler , Eakta Jain

With the widespread attention and application of artificial intelligence (AI) and blockchain technologies, privacy protection techniques arising from their integration are of notable significance. In addition to protecting privacy of…

密码学与安全 · 计算机科学 2023-05-09 Zongwei Li , Dechao Kong , Yuanzheng Niu , Hongli Peng , Xiaoqi Li , Wenkai Li

Extended Reality (XR) technology is changing online interactions, but its granular data collection sensors may be more invasive to user privacy than web, mobile, and the Internet of Things technologies. Despite an increased interest in…

人机交互 · 计算机科学 2025-03-28 Hilda Hadan , Derrick M. Wang , Lennart E. Nacke , Leah Zhang-Kennedy