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Automatically understanding and recognising human affective states using images and computer vision can improve human-computer and human-robot interaction. However, privacy has become an issue of great concern, as the identities of people…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Jimiama M. Mase , Natalie Leesakul , Fan Yang , Grazziela P. Figueredo , Mercedes Torres Torres

Our behavior (the way we talk, walk, act or think) is unique and can be used as a biometric trait. It also correlates with sensitive attributes like emotions and health conditions. Hence, techniques to protect individuals privacy against…

Cryptography and Security · Computer Science 2023-01-06 Simon Hanisch , Patricia Arias-Cabarcos , Javier Parra-Arnau , Thorsten Strufe

Designing a data sharing mechanism without sacrificing too much privacy can be considered as a game between data holders and malicious attackers. This paper describes a compressive adversarial privacy framework that captures the trade-off…

Machine Learning · Computer Science 2019-01-28 Xiao Chen , Peter Kairouz , Ram Rajagopal

Advanced facial recognition technologies and recommender systems with inadequate privacy technologies and policies for facial interactions increase concerns about bioprivacy violations. With the proliferation of video and live-streaming…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Yubo Huang , Wenhao Feng , Xin Lai , Zixi Wang , Jingzehua Xu , Shuai Zhang , Hongjie He , Fan Chen

We propose `Hide-and-Seek', a weakly-supervised framework that aims to improve object localization in images and action localization in videos. Most existing weakly-supervised methods localize only the most discriminative parts of an object…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Krishna Kumar Singh , Yong Jae Lee

Augmented reality (AR) systems pose unique privacy risks due to their continuous capture of visual data. Existing AR privacy frameworks lack semantic understanding of visual content, limiting their effectiveness in detecting…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Jialu Liu , Yao Li , Zhuoheng Li , Huining Li , Ying Chen

Recent advancements in artificial intelligence (AI) have seen the emergence of smart video surveillance (SVS) in many practical applications, particularly for building safer and more secure communities in our urban environments. Cognitive…

This paper presents a review of human activity recognition and behaviour understanding in video sequence. The key objective of this paper is to provide a general review on the overall process of a surveillance system used in the current…

Computer Vision and Pattern Recognition · Computer Science 2012-07-31 A. R. Revathi , Dhananjay Kumar

Powerful recognition algorithms are widely used in the Internet or important medical systems, which poses a serious threat to personal privacy. Although the law provides for diversity protection, e.g. The General Data Protection Regulation…

Cryptography and Security · Computer Science 2022-02-15 Hao Wang , Yu Bai , Guangmin Sun , Jie Liu

Deep neural networks have become the driving force of modern image recognition systems. However, the vulnerability of neural networks against adversarial attacks poses a serious threat to the people affected by these systems. In this paper,…

Machine Learning · Computer Science 2021-12-13 Seungyong Moon , Gaon An , Hyun Oh Song

With billions of personal images being generated from social media and cameras of all sorts on a daily basis, security and privacy are unprecedentedly challenged. Although extensive attempts have been made, existing face image…

Computer Vision and Pattern Recognition · Computer Science 2019-04-30 Tao Li , Lei Lin

Software privacy provides the ability to limit data access to unauthorized parties. Privacy is achieved through different means, such as implementing GDPR into software applications. However, previous research revealed that the lack of poor…

Cryptography and Security · Computer Science 2022-11-08 Abdulrahman Hassan Alhazmi , Mumtaz Abdul Hameed , Nalin Asanka Gamagedara Arachchilage

New generation head-mounted displays, such as VR and AR glasses, are coming into the market with already integrated eye tracking and are expected to enable novel ways of human-computer interaction in numerous applications. However, since…

Cryptography and Security · Computer Science 2021-12-21 Efe Bozkir , Onur Günlü , Wolfgang Fuhl , Rafael F. Schaefer , Enkelejda Kasneci

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

In this position paper, we discuss the merits of simulating privacy dynamics in recommender systems. We study this issue at hand from two perspectives: Firstly, we present a conceptual approach to integrate privacy into recommender system…

Information Retrieval · Computer Science 2021-09-15 Peter Müllner , Elisabeth Lex , Dominik Kowald

Visual localization (VL) is the task of estimating the camera pose in a known scene. VL methods, a.o., can be distinguished based on how they represent the scene, e.g., explicitly through a (sparse) point cloud or a collection of images or…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Maxime Pietrantoni , Martin Humenberger , Torsten Sattler , Gabriela Csurka

Video analytics is the practice of combining digital video data with machine learning models to infer various characteristics from that video. This capability has been used for years to detect objects, movement, and the number of customers…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Scott Pletcher

The concept of privacy is inherently intertwined with human attitudes and behaviours, as most computer systems are primarily designed for human use. Especially in the case of Recommender Systems, which feed on information provided by…

Computers and Society · Computer Science 2018-05-23 Sanchit Alekh

Numerous generalization techniques have been proposed for privacy preserving data publishing. Most existing techniques, however, implicitly assume that the adversary knows little about the anonymization algorithm adopted by the data…

Databases · Computer Science 2010-03-29 Xiaokui Xiao , Yufei Tao , Nick Koudas

Images serve as a crucial medium for communication, presenting information in a visually engaging format that facilitates rapid comprehension of key points. Meanwhile, during transmission and storage, they contain significant sensitive…

Cryptography and Security · Computer Science 2024-12-23 Wenying Wen , Ziye Yuan , Yushu Zhang , Tao Wang , Xiangli Xiao , Ruoyu Zhao , Yuming Fang