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

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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

Compared to other biometrics, gait is difficult to conceal and has the advantage of being unobtrusive. Inertial sensors, such as accelerometers and gyroscopes, are often used to capture gait dynamics. These inertial sensors are commonly…

Machine Learning · Computer Science 2020-04-30 Qin Zou , Yanling Wang , Qian Wang , Yi Zhao , Qingquan Li

Gait is a behavioral biometric modality that can be used to recognize individuals by the way they walk from a far distance. Most existing gait recognition approaches rely on either silhouettes or skeletons, while their joint use is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Huantao Ren , Jiajing Chen , Senem Velipasalar

In recent years, Channel State Information (CSI), recognized for its fine-grained spatial characteristics, has attracted increasing attention in WiFi-based indoor localization. However, despite its potential, CSI-based approaches have yet…

Human-Computer Interaction · Computer Science 2025-04-25 Tianyu Zhang , Dongheng Zhang , Ruixu Geng , Xuecheng Xie , Shuai Yang , Yan Chen

We present a framework for gesture customization requiring minimal examples from users, all without degrading the performance of existing gesture sets. To achieve this, we first deployed a large-scale study (N=500+) to collect data and…

The cellular wireless networks are evolving towards acquiring newer capabilities, such as sensing, which will support novel use cases and applications. Many of these require indoor sensing capabilities, which can be realized by exploiting…

Information Theory · Computer Science 2025-07-08 Vijaya Yajnanarayana , Philipp Geuer , Satyam Dwivedi

Due to its ubiquitous and contact-free nature, the use of WiFi infrastructure for performing sensing tasks has tremendous potential. However, the channel state information (CSI) measured by a WiFi receiver suffers from errors in both its…

Information Theory · Computer Science 2024-05-22 Vishnu V. Ratnam , Hao Chen , Hao Hsuan Chang , Abhishek Sehgal , Jianzhong , Zhang

This paper introduces Wisture, a new online machine learning solution for recognizing touch-less dynamic hand gestures on a smartphone. Wisture relies on the standard Wi-Fi Received Signal Strength (RSS) using a Long Short-Term Memory…

Human-Computer Interaction · Computer Science 2017-08-01 Mohamed Abudulaziz Ali Haseeb , Ramviyas Parasuraman

802.11 device fingerprinting is the action of characterizing a target device through its wireless traffic. This results in a signature that may be used for identification, network monitoring or intrusion detection. The fingerprinting method…

Cryptography and Security · Computer Science 2014-04-28 Christoph Neumann , Olivier Heen , Stéphane Onno

WiFi-based human activity recognition (HAR) holds significant application potential across various fields. To handle dynamic environments where new activities are continuously introduced, WiFi-based HAR systems must adapt by learning new…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Rong Li , Tao Deng , Siwei Feng , Mingjie Sun , Juncheng Jia

In this letter, a cooperative sensing framework based on millimeter wave (mmWave) communication systems is proposed to detect tiny motions with a millimeter-level resolution. Particularly, the cooperative sensing framework is facilitated…

Systems and Control · Electrical Eng. & Systems 2023-11-06 Chao Yu , Yan Luo , Renqi Chen , Rui Wang

This paper presents ProFi-Net, a novel few-shot learning framework for WiFi-based gesture recognition that overcomes the challenges of limited training data and sparse feature representations. ProFi-Net employs a prototype-based metric…

Machine Learning · Computer Science 2025-04-30 Zhe Cui , Shuxian Zhang , Kangzhi Lou , Le-Nam Tran

Wi-Fi sensing is an emerging technology that uses channel state information (CSI) from ambient Wi-Fi signals to monitor human activity without the need for dedicated sensors. Wi-Fi sensing does not only represent a pivotal technology in…

Networking and Internet Architecture · Computer Science 2025-05-07 Paolo Cerutti , Fabio Palmese , Marco Cominelli , Alessandro E. C. Redondi

Capacitive sensing is a prominent technology that is cost-effective and low power consuming with fast recognition speed compared to existing sensing systems. On account of these advantages, Capacitive sensing has been widely studied and…

Human-Computer Interaction · Computer Science 2022-01-06 Hunmin Lee , Jaya Krishna Mandivarapu , Nahom Ogbazghi , Yingshu Li

Human poses and motions are important cues for analysis of videos with people and there is strong evidence that representations based on body pose are highly effective for a variety of tasks such as activity recognition, content retrieval…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Mykhaylo Andriluka , Umar Iqbal , Eldar Insafutdinov , Leonid Pishchulin , Anton Milan , Juergen Gall , Bernt Schiele

This paper introduces a Wi-Fi signal based passive wireless sensing system that has the capability to detect diverse indoor human movements, from whole body motions to limb movements and including breathing movements of the chest. The real…

Signal Processing · Electrical Eng. & Systems 2022-04-14 Bo Tan , Alison Burrows , Robert Piechocki , Ian Craddock , Karl Woodbridge , Kevin Chetty

Textile sensors transform our everyday clothing into a means to track movement and bio-signals in a completely unobtrusive way. One major hindrance to the adoption of "smart" clothing is the difficulty encountered with connections and space…

Signal Processing · Electrical Eng. & Systems 2024-03-22 Brett C. Hannigan , Tyler J. Cuthbert , Chakaveh Ahmadizadeh , Carlo Menon

Fingerprints are one of the most widely explored biometric traits. Specifically, contact-based fingerprint recognition systems reign supreme due to their robustness, portability and the extensive research work done in the field. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Aman Attrish , Nagasai Bharat , Vijay Anand , Vivek Kanhangad

Wireless-based human activity recognition has become an essential technology that enables contact-free human-machine and human-environment interactions. In this paper, we consider contact-free multi-target tracking (MTT) based on available…

Signal Processing · Electrical Eng. & Systems 2023-01-03 Chenglong Li , Sibren De Bast , Yang Miao , Emmeric Tanghe , Sofie Pollin , Wout Joseph

Thanks to the ubiquitousness of Wi-Fi access points and devices, Wi-Fi sensing enables transformative applications in remote health care, security, and surveillance. Existing work has explored the usage of machine learning on channel state…

Networking and Internet Architecture · Computer Science 2022-04-21 Niloofar Bahadori , Jonathan Ashdown , Francesco Restuccia