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Related papers: Privacy-Preserving Covert Communication Using Encr…

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Covert communication is the undetected transmission of sensitive information over a communication channel. In wireless communication systems, channel impairments such as signal fading present challenges in the effective implementation and…

Information Theory · Computer Science 2025-09-29 Amir Reza Ramtin , Dennis Goeckel , Don Towsley

Gestures are a topic of increasing interest in authentication and successful implementation as a security layer requires reliable gesture recognition. So far much work focuses on new ways to recognize gestures, leaving discussion on the…

Cryptography and Security · Computer Science 2014-08-28 Gradeigh D. Clark , Janne Lindqvist

While becoming more and more present in our every day lives, services that operate on users' locations or location trajectories suffer from general fear of misappropriation of the transmitted location data. Several works have investigated…

Cryptography and Security · Computer Science 2018-04-27 Michael Guldner , Torsten Spieldenner , René Schubotz

Vision is a popular and effective sensor for robotics from which we can derive rich information about the environment: the geometry and semantics of the scene, as well as the age, gender, identity, activity and even emotional state of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Adam K. Taras , Niko Suenderhauf , Peter Corke , Donald G. Dansereau

This paper explores a new secure wireless communication paradigm where the physical layer security technology is applied to counteract both the detection and eavesdropping attacks, such that the critical covertness and secrecy properties of…

Information Theory · Computer Science 2021-03-11 Huihui Wu , Yuanyu Zhang , Yulong Shen , Xiaohong Jiang

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

We propose a set of communicative gestures and develop a gesture recognition system with the aim of facilitating more intuitive Human-Robot Interaction (HRI) through gestures. First, we propose a set of commands commonly used for…

Robotics · Computer Science 2021-09-22 Jia Chuan A. Tan , Wesley P. Chan , Nicole L. Robinson , Elizabeth A. Croft , Dana Kulic

In this study, we present a wireless (non-contact) gesture recognition method using only incoherent light wave signals reflected from a human subject. In comparison to existing radar, light shadow, sound and camera-based sensing systems,…

Signal Processing · Electrical Eng. & Systems 2023-06-14 Md Zobaer Islam , Li Yu , Hisham Abuella , John F. O'Hara , Christopher Crick , Sabit Ekin

Hand-face interactions play a key role in many everyday tasks, providing insights into user habits, behaviors, intentions, and expressions. However, existing wearable sensing systems often struggle to track these interactions in daily…

Human-Computer Interaction · Computer Science 2024-11-14 Saif Mahmud , Kian Mahmoodi , Chi-Jung Lee , Francois Guimbretiere , Cheng Zhang

In recent years, there has been a considerable amount of research in the Gesture Recognition domain, mainly owing to the technological advancements in Computer Vision. Various new applications have been conceptualised and developed in this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-04 Kshitij Deshpande , Varad Mashalkar , Kaustubh Mhaisekar , Amaan Naikwadi , Archana Ghotkar

Video semantic communication, praised for its transmission efficiency, still faces critical challenges related to privacy leakage. Traditional security techniques like steganography and encryption are challenging to apply since they are not…

Image and Video Processing · Electrical Eng. & Systems 2025-12-30 Zhihan Cao , Xiao Yang , Gaolei Li , Jun Wu , Jianhua Li , Yuchen Liu

Wireless Sensor Networks (WSNs) provide sensing and monitoring services by means of many tiny autonomous devices equipped with wireless radio transceivers. As WSNs are deployed on a large-scale and/or on long-term basis, not only…

Cryptography and Security · Computer Science 2009-05-14 Emiliano De Cristofaro , Xuhua Ding , Gene Tsudik

Gestures are a natural communication modality for humans. The ability to interpret gestures is fundamental for robots aiming to naturally interact with humans. Wearable sensors are promising to monitor human activity, in particular the…

Robotics · Computer Science 2018-11-13 Alessandro Carfi , Carola Motolese , Barbara Bruno , Fulvio Mastrogiovanni

With the increasing demands for privacy protection, privacy-preserving machine learning has been drawing much attention in both academia and industry. However, most existing methods have their limitations in practical applications. On the…

Machine Learning · Computer Science 2022-02-22 Fei Zheng , Chaochao Chen , Xiaolin Zheng , Mingjie Zhu

Sensing privacy and communication confidentiality play fundamentally different but interconnected roles in adversarial wireless environments. Capturing this interplay within a single physical-layer framework is particularly challenging in…

Information Theory · Computer Science 2026-05-11 Sidong Guo , Matthieu R. Bloch

Next-generation wireless networks are progressing beyond conventional connectivity to incorporate emerging sensing and computing capabilities. This convergence gives rise to integrated systems that enable not only uninterrupted…

Information Theory · Computer Science 2026-02-24 Ruiqi Liu , Beixiong Zheng , Jemin Lee , Si-Hyeon Lee , Georges Kaddoum , Onur Günlü , Deniz Gündüz

Wearable devices such as smartwatches, fitness trackers, and blood-pressure monitors process, store, and communicate sensitive and personal information related to the health, life-style, habits and interests of the wearer. This data is…

Cryptography and Security · Computer Science 2021-05-25 Ludovic Barman , Alexandre Dumur , Apostolos Pyrgelis , Jean-Pierre Hubaux

Advancements in information technology have increased demand for natural human-computer interaction in areas such as gaming, smart homes, and vehicles. However, conventional approaches like physical buttons or cameras are often limited by…

Human-Computer Interaction · Computer Science 2025-11-24 Weiyi Wang , Lanqing Yang , Linqian Gan , Guangtao Xue

Covert communication aims to shield the very existence of wireless transmissions in order to guarantee a strong security in wireless networks. In this work, for the first time we examine the possibility and achievable performance of covert…

Information Theory · Computer Science 2017-04-18 Jinsong Hu , Shihao Yan , Xiangyun Zhou , Feng Shu , Jiangzhou Wang

Wearable devices are transforming computing and the human-computer interaction and they are a primary means for motion recognition of reflexive systems. We review basic wearable deployments and their open wireless communications. An…

Computers and Society · Computer Science 2017-05-10 Shivram Tabibu