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Spoken language understanding (SLU), one of the key enabling technologies for human-computer interaction in IoT devices, provides an easy-to-use user interface. Human speech can contain a lot of user-sensitive information, such as gender,…

Cryptography and Security · Computer Science 2024-03-26 Yinggui Wang , Wei Huang , Le Yang

Privacy concerns in healthcare have gained interest recently via GDPR, with a rising need for privacy-preserving data collection methods that keep personal information hidden in otherwise usable data. Sometimes data needs to be encrypted…

Cryptography and Security · Computer Science 2021-04-13 Mikko Impiö , Mehmet Yamaç , Jenni Raitoharju

There is growing concern about how personal data are used when users grant applications direct access to the sensors of their mobile devices. In fact, high resolution temporal data generated by motion sensors reflect directly the activities…

Machine Learning · Computer Science 2018-06-21 Mohammad Malekzadeh , Richard G. Clegg , Andrea Cavallaro , Hamed Haddadi

With wearable devices such as smartwatches on the rise in the consumer electronics market, securing these wearables is vital. However, the current security mechanisms only focus on validating the user not the device itself. Indeed,…

Cryptography and Security · Computer Science 2025-04-15 Hidayet Aksu , A. Selcuk Uluagac , Elizabeth S. Bentley

Gesture recognition has become increasingly important in human-computer interaction and can support different applications such as smart home, VR, and gaming. Traditional approaches usually rely on dedicated sensors that are worn by the…

Human-Computer Interaction · Computer Science 2021-06-03 Sheng Tan , Jie Yang

We present an advance in wearable technology: a mobile-optimized, real-time, ultra-low-power event camera system that enables natural hand gesture control for smart glasses, dramatically improving user experience. While hand gesture…

Fingerprint authentication is a popular security mechanism for smartphones and laptops. However, its adoption in web and cloud environments has been limited due to privacy concerns over storing and processing biometric data on servers. This…

Cryptography and Security · Computer Science 2024-04-02 Hyunmin Choi , Simon Woo , Hyoungshick Kim

As an evolving successor to the mobile Internet, the Metaverse creates the impression of an immersive environment, integrating the virtual as well as the real world. In contrast to the traditional mobile Internet based on servers, the…

Cryptography and Security · Computer Science 2023-05-17 Jianrui Chen , Jingjing Wang , Chunxiao Jiang , Yong Ren , Lajos Hanzo

Semantic communication (SemCom) has emerged as a key technology for the forthcoming sixth-generation (6G) network, attributed to its enhanced communication efficiency and robustness against channel noise. However, the open nature of…

Signal Processing · Electrical Eng. & Systems 2024-04-19 Shunpu Tang , Chen Liu , Qianqian Yang , Shibo He , Dusit Niyato

A covert communication system is developed that modulates Morse code characteristics and that delivers its mes- sage economically and to geographically remote areas using radio and EchoLink. Our system allows a covert message to be sent to…

Cryptography and Security · Computer Science 2014-08-26 Joshua Davis

Wireless Contact tracing has emerged as an important tool for managing the COVID19 pandemic and relies on continuous broadcasting of a person's presence using Bluetooth Low Energy beacons. The limitation of current contact tracing systems…

Cryptography and Security · Computer Science 2021-08-16 Vladimir Dyo , Jahangir Ali

This paper introduces embodied communication, a new wireless communication modality in which information is imprinted onto environmental states and recovered by the receiver through sensing. No dedicated communication transmitter is…

Information Theory · Computer Science 2026-05-12 Yulin Shao

Human-centered wireless sensing (HCWS) aims to understand the fine-grained environment and activities of a human using the diverse wireless signals around him/her. While the sensed information about a human can be used for many good…

Cryptography and Security · Computer Science 2024-03-12 Wei Sun , Tingjun Chen , Neil Gong

Average consensus is fundamental for distributed systems since it underpins key functionalities of such systems ranging from distributed information fusion, decision-making, to decentralized control. In order to reach an agreement, existing…

Systems and Control · Computer Science 2017-09-21 Minghao Ruan , Muaz Ahmad , Yongqiang Wang

Contact tracing is being widely employed to combat the spread of COVID-19. Many apps have been developed that allow for tracing to be done automatically based off location and interaction data generated by users. There are concerns,…

Cryptography and Security · Computer Science 2020-04-09 James Bell , David Butler , Chris Hicks , Jon Crowcroft

Human-robot collaboration is an essential research topic in artificial intelligence (AI), enabling researchers to devise cognitive AI systems and affords an intuitive means for users to interact with the robot. Of note, communication plays…

Artificial Intelligence · Computer Science 2021-08-09 Qi Wu , Cheng-Ju Wu , Yixin Zhu , Jungseock Joo

Grasping objects whose physical properties are unknown is still a great challenge in robotics. Most solutions rely entirely on visual data to plan the best grasping strategy. However, to match human abilities and be able to reliably pick…

Robotics · Computer Science 2021-09-24 Pietro Griffa , Carmelo Sferrazza , Raffaello D'Andrea

This paper develops a feedback-based method to preserve the topology privacy of consensus protocols in network systems. The key idea is to intentionally violate topology identifiability conditions, thereby preventing unique or accurate…

Systems and Control · Electrical Eng. & Systems 2026-05-18 Yushan Li , Jiabao He , Julien M. Hendrickx , Dimos V. Dimarogonas

In this paper, a novel covert semantic communication framework is investigated. Within this framework, a server extracts and transmits the semantic information, i.e., the meaning of image data, to a user over several time slots. An attacker…

Artificial Intelligence · Computer Science 2025-08-12 Wenjing Zhang , Ye Hu , Tao Luo , Zhilong Zhang , Mingzhe Chen

Wireless sensing technologies can now detect heartbeats using radio frequency and acoustic signals, raising significant privacy concerns. Existing privacy solutions either protect from all sensing systems indiscriminately preventing any…

Cryptography and Security · Computer Science 2025-11-07 Yixuan Gao , Tanvir Ahmed , Zekun Chang , Thijs Roumen , Rajalakshmi Nandakumar
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