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Related papers: CentiTrack: Towards Centimeter-Level Passive Gestu…

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Safe navigation for the visually impaired individuals remains a critical challenge, especially concerning head-level obstacles, which traditional mobility aids often fail to detect. We introduce GuideTouch, a compact, affordable, standalone…

In this paper, a real-time signal processing frame-work based on a 60 GHz frequency-modulated continuous wave (FMCW) radar system to recognize gestures is proposed. In order to improve the robustness of the radar-based gesture recognition…

Signal Processing · Electrical Eng. & Systems 2020-05-21 Yuliang Sun , Tai Fei , Xibo Li , Alexander Warnecke , Ernst Warsitz , Nils Pohl

Recent research has highlighted the detection of human respiration rate using commodity WiFi devices. Nevertheless, these devices encounter challenges in accurately discerning human respiration amidst the prevailing human motion…

Signal Processing · Electrical Eng. & Systems 2024-01-08 Kehan Wu , Renqi Chen , Haiyu Wang , Chenqing Ji , Jiayuan Zhu , Guang Wu

Fall is one of the major health threats and obstacles to independent living for elders, timely and reliable fall detection is crucial for mitigating the effects of falls. In this paper, leveraging the fine-grained Channel State Information…

Human-Computer Interaction · Computer Science 2015-07-07 Daqing Zhang , Hao Wang , Yasha Wang , Junyi Ma

In the rapidly growing field of wearable technology, optical devices are emerging as a significant innovation, offering non-invasive methods for analyzing skin and underlying tissue properties. Despite their promise, progress has been…

Human-Computer Interaction · Computer Science 2024-07-18 Nazim A. Belabbaci , Mohammad Arif Ul Alam

The collaborative robot market is flourishing as there is a trend towards simplification, modularity, and increased flexibility on the production line. But when humans and robots are collaborating in a shared environment, the safety of…

Randomized MAC addresses aim to prevent passive device tracking, yet Wi-Fi management frames still leak structured behavioral patterns. Prior work has relied primarily on syntactic probe-request features such as Information Elements (IEs),…

Cryptography and Security · Computer Science 2026-01-15 Abhishek K. Mishra , Mathieu Cunche

Development and testing of multi-robot systems employing wireless signal-based sensing requires access to suitable hardware, such as channel monitoring WiFi transceivers, which can pose significant limitations. The WiFi Sensor for Robotics…

Sensing surface vibrations promise unobtrusive interaction for smart home systems by enabling gesture recognition on existing everyday surfaces without disturbing living-space design. Existing approaches typically address only parts of the…

Hardware Architecture · Computer Science 2026-05-12 Florian Hettstedt , Cedric Giese , Tianheng Ling , Keiichi Yasumoto , Gregor Schiele , Andreas Erbslöh

In this work, we consider the detection of manoeuvring small objects with radars. Such objects induce low signal to noise ratio (SNR) reflections in the received signal. We consider both co-located and separated transmitter/receiver pairs,…

Systems and Control · Computer Science 2025-07-08 Kimin Kim , Murat Uney , Bernard Mulgrew

Tactile sensing is vital for human dexterous manipulation, however, it has not been widely used in robotics. Compact, low-cost sensing platforms can facilitate a change, but unlike their popular optical counterparts, they are difficult to…

Robotics · Computer Science 2025-03-10 Adrian Röfer , Nick Heppert , Abdallah Ayad , Eugenio Chisari , Abhinav Valada

In recent years, WiFi sensing has been recognized as a promising technology to bring respiratory monitoring into everyday homes, thanks to its contactless nature and ubiquitous availability. However, existing WiFi-based respiratory…

Signal Processing · Electrical Eng. & Systems 2026-04-23 Hefei Wang , Jianwei Liu , Yinghui He , Guanding Yu , Jinsong Han

The paper targets the problem of human motion detection using Wireless Local Area Network devices (WiFi) equipped with pattern reconfigurable antennas. Motion sensing is obtained by monitoring the body-induced alterations of the ambient…

Networking and Internet Architecture · Computer Science 2022-05-03 Marco Santoboni , Riccardo Bersan , Stefano Savazzi , Alberto Zecchin , Vittorio Rampa Daniele Piazza

Advances in embedded devices and wireless sensor networks have resulted in new and inexpensive health care solutions. This paper describes the implementation and the evaluation of a wireless body sensor system that monitors human…

Other Computer Science · Computer Science 2010-07-15 Chao Chen , Carlos Pomalaza-Raez

We study the problem of indoor localization using commodity WiFi channel state information (CSI) measurements. The accuracy of methods developed to address this problem is limited by the overall bandwidth used by the WiFi device as well as…

Networking and Internet Architecture · Computer Science 2019-03-07 Mahdi Barzegar Khalilsarai , Stelios Stefanatos , Gerhard Wunder , Giuseppe Caire

In this paper, a computer-vision-assisted simulation method is proposed to address the issue of training dataset acquisition for wireless hand gesture recognition. In the existing literature, in order to classify gestures via the wireless…

Signal Processing · Electrical Eng. & Systems 2024-04-18 Zhenyu Ren , Guoliang Li , Chenqing Ji , Chao Yu , Shuai Wang , Rui Wang

Due to the severe multipath effect, no satisfactory device-free methods have ever been found for indoor speed estimation problem, especially in non-line-of-sight scenarios, where the direct path between the source and observer is blocked.…

Signal Processing · Electrical Eng. & Systems 2018-04-11 Feng Zhang , Chen Chen , Beibei Wang , K. J. Ray Liu

Human identification is one of the most common and critical tasks for condition monitoring, human-machine interaction, and providing assistive services in smart environments. Recently, human gait has gained new attention as a biometric for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Muhammad Zeeshan Arshad , Dawoon Jung , Mina Park , Kyung-Ryoul Mun , Jinwook Kim

In this article, we propose a framework for contactless human-computer interaction (HCI) using novel tracking techniques based on deep learning-based super-resolution and tracking algorithms. Our system offers unprecedented high-resolution…

Signal Processing · Electrical Eng. & Systems 2023-05-04 Josiah W. Smith , Orges Furxhi , Murat Torlak

In-home gait analysis is important for providing early diagnosis and adaptive treatments for individuals with gait disorders. Existing systems include wearables and pressure mats, but they have limited scalability. Recent studies have…

Signal Processing · Electrical Eng. & Systems 2022-12-08 Yiwen Dong , Jingxiao Liu , Hae Young Noh