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Virtual reality (VR) video provides an immersive 360 viewing experience to a user wearing a head-mounted display: as the user rotates his head, correspondingly different fields-of-view (FoV) of the 360 video are rendered for observation.…

Multimedia · Computer Science 2017-03-28 Gene Cheung , Zhi Liu , Zhiyou Ma , Jack Z. G. Tan

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

Current Virtual Reality (VR) input devices make it possible to navigate a virtual environment and record immersive, personalized data regarding the user's movement and specific behavioral habits, which brings the question of the user's…

Human-Computer Interaction · Computer Science 2023-02-07 Aryabrata Basu , Mohammad Jahed Murad Sunny , Jayasri Sai Nikitha Guthula

Video transmission over the backhaul link in cloud-edge collaborative networks usually suffers security risks, which is ignored in most of the existing studies. The characteristics that video service can flexibly adjust the encoding rates…

Multimedia · Computer Science 2021-11-03 Tantan Zhao , Lijun He , Xinyu Huang , Fan Li

The inevitable leakage of privacy as a result of unrestrained disclosure of personal information has motivated extensive research on robust privacy-preserving mechanisms. However, existing research is mostly limited to solving the problem…

Cryptography and Security · Computer Science 2022-08-23 Chandra Sharma , George Amariucai , Shuangqing Wei

In this article, we propose a new variational approach to learn private and/or fair representations. This approach is based on the Lagrangians of a new formulation of the privacy and fairness optimization problems that we propose. In this…

Machine Learning · Statistics 2021-09-07 Borja Rodríguez-Gálvez , Ragnar Thobaben , Mikael Skoglund

This paper presents a Brownian-approximation framework to optimize the quality of experience (QoE) for real-time video streaming in wireless networks. In real-time video streaming, one major challenge is to tackle the natural tension…

Networking and Internet Architecture · Computer Science 2020-10-26 Ping-Chun Hsieh , Xi Liu , I-Hong Hou

Online collaborative medical prediction platforms offer convenience and real-time feedback by leveraging massive electronic health records. However, growing concerns about privacy and low prediction quality can deter patient participation…

Machine Learning · Computer Science 2025-07-16 Shao-Bo Lin , Xiaotong Liu , Yao Wang

The Quality of Experience (QoE) of streaming service is often degraded by frequent playback interruptions. To mitigate the interruptions, the media player prefetches streaming contents before starting playback, at a cost of delay. We study…

Networking and Internet Architecture · Computer Science 2014-06-06 Yuedong Xu , Salaheddine Elayoubi , Eitan Altman , Rachid El-Azouzi , Yinghao Yu

Online video streaming has evolved into an integral component of the contemporary Internet landscape. Yet, the disclosure of user requests presents formidable privacy challenges. As users stream their preferred online videos, their requests…

Multimedia · Computer Science 2026-02-02 Xianzhi Zhang , Yipeng Zhou , Di Wu , Quan Z. Sheng , Miao Hu , Linchang Xiao

360$^o$ video is an essential component of VR/AR/MR systems that provides immersive experience to the users. However, 360$^o$ video is associated with high bandwidth requirements. The required bandwidth can be reduced by exploiting the fact…

Multimedia · Computer Science 2020-04-14 Pantelis Maniotis , Nikolaos Thomos

Photorealistic 3D avatar generation has rapidly improved in recent years, and realistic avatars that match a user's true appearance are more feasible in Mixed Reality (MR) than ever before. Yet, there are known risks to sharing one's…

Human-Computer Interaction · Computer Science 2025-07-31 Ethan Wilson , Vincent Bindschaedler , Sophie Jörg , Sean Sheikholeslam , Kevin Butler , Eakta Jain

In order to develop machine learning and deep learning models that take into account the guidelines and principles of trustworthy AI, a novel information theoretic trustworthy AI framework is introduced. A unified approach to…

Machine Learning · Computer Science 2022-04-13 Mohit Kumar , Bernhard A. Moser , Lukas Fischer , Bernhard Freudenthaler

The rapid development of video surveillance systems for object detection, tracking, activity recognition, and anomaly detection has revolutionized our day-to-day lives while setting alarms for privacy concerns. It isn't easy to strike a…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Nazia Aslam , Kamal Nasrollahi

The proliferation of AI-powered cameras in Intelligent Transportation Systems (ITS) creates a severe conflict between the need for rich visual data and the right to privacy. Existing privacy-preserving methods, such as blurring or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Abdolazim Rezaei , Mehdi Sookhak , Mahboobeh Haghparast

Most client hosts are equipped with multiple network interfaces (e.g., WiFi and cellular networks). Simultaneous access of multiple interfaces can significantly improve the users' quality of experience (QoE) in video streaming. An intuitive…

Networking and Internet Architecture · Computer Science 2018-06-11 Anis Elgabli , Ke Liu , Vaneet Aggarwal

When sensitive information is encoded in data, it is important to ensure the privacy of information when attempting to learn useful information from the data. There is a natural tradeoff whereby increasing privacy requirements may decrease…

Quantum Physics · Physics 2026-02-12 Theshani Nuradha , Sujeet Bhalerao , Felix Leditzky

Bounding privacy leakage over compositions, i.e., privacy accounting, is a key challenge in differential privacy (DP). The privacy parameter ($\eps$ or $\delta$) is often easy to estimate but hard to bound. In this paper, we propose a new…

Cryptography and Security · Computer Science 2023-11-22 Jiachen T. Wang , Saeed Mahloujifar , Tong Wu , Ruoxi Jia , Prateek Mittal

Quality of Experience (QoE) prediction is a critical component of modern multimedia systems, particularly for adaptive video streaming in 5G networks. Accurate QoE estimation enables intelligent resource management and supports user centric…

Artificial Intelligence · Computer Science 2025-12-16 Syeda Zunaira Ahmed , Hejab Tahira Beg , Maryam Khalid

A challenge for rescue teams when fighting against wildfire in remote areas is the lack of information, such as the size and images of fire areas. As such, live streaming from Unmanned Aerial Vehicles (UAVs), capturing videos of dynamic…

Signal Processing · Electrical Eng. & Systems 2021-02-23 Liyana Adilla binti Burhanuddin , Xiaonan Liu , Yansha Deng , Ursula Challita , Andras Zahemszky