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Wi-Fi technology has evolved from simple communication routers to sensing devices. Wi-Fi sensing leverages conventional Wi-Fi transmissions to extract and analyze channel state information (CSI) for applications like proximity detection,…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Ahmed Y. Radwan , Mustafa Yildirim , Navid Hasanzadeh , Hina Tabassum , Shahrokh Valaee

Passive sensing techniques based on Wi-Fi signals have emerged as a promising technology in advanced wireless communication systems due to their widespread application and cost-effectiveness. However, the proliferation of low-cost Internet…

Systems and Control · Electrical Eng. & Systems 2023-11-13 Junshuo Liu , Fuhai Wang , Zhe Li , Rujing Xiong , Tiebin Mi , Robert Caiming Qiu

Accurate classification of medical device risk levels is essential for regulatory oversight and clinical safety. We present a Transformer-based multimodal framework that integrates textual descriptions and visual information to predict…

Machine Learning · Computer Science 2025-05-02 Yu Han , Aaron Ceross , Jeroen H. M. Bergmann

Human activity recognition (HAR) has been playing an increasingly important role in various domains such as healthcare, security monitoring, and metaverse gaming. Though numerous HAR methods based on computer vision have been developed to…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jianfei Yang , Shijie Tang , Yuecong Xu , Yunjiao Zhou , Lihua Xie

Human activity recognition (HAR) is a crucial area of research that involves understanding human movements using computer and machine vision technology. Deep learning has emerged as a powerful tool for this task, with models such as…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Mohammad Belal , Taimur Hassan , Abdelfatah Ahmed , Ahmad Aljarah , Nael Alsheikh , Irfan Hussain

Multi-modal multi-view action recognition is a rapidly growing field in computer vision, offering significant potential for applications in surveillance. However, current datasets often fail to address real-world challenges such as…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Trung Thanh Nguyen , Yasutomo Kawanishi , Vijay John , Takahiro Komamizu , Ichiro Ide

WiFi sensing technology has shown superiority in smart homes among various sensors for its cost-effective and privacy-preserving merits. It is empowered by Channel State Information (CSI) extracted from WiFi signals and advanced machine…

Networking and Internet Architecture · Computer Science 2022-12-13 Jianfei Yang , Xinyan Chen , Han Zou , Dazhuo Wang , Lihua Xie

Sensor fusion is critical to perception systems for task domains such as autonomous driving and robotics. Recently, the Transformer integrated with CNN has demonstrated high performance in sensor fusion for various perception tasks. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Quoc-Vinh Lai-Dang , Jihui Lee , Bumgeun Park , Dongsoo Har

Sensor fusion approaches for intelligent self-driving agents remain key to driving scene understanding given visual global contexts acquired from input sensors. Specifically, for the local waypoint prediction task, single-modality networks…

Robotics · Computer Science 2024-02-01 Hwan-Soo Choi , Jongoh Jeong , Young Hoo Cho , Kuk-Jin Yoon , Jong-Hwan Kim

Recently, wearable emotion recognition based on peripheral physiological signals has drawn massive attention due to its less invasive nature and its applicability in real-life scenarios. However, how to effectively fuse multimodal data…

Human-Computer Interaction · Computer Science 2023-04-03 Yujin Wu , Mohamed Daoudi , Ali Amad

Wi-Fi sensing detects human motions and activities by analysing the channel state information (CSI) derived from Wi-Fi transmissions. However, the impact of variable transmission traffic, which dictates the effective sampling rate and…

Machine Learning · Computer Science 2026-05-12 Guolin Yin , Junqing Zhang , Guanxiong Shen , Simon L. Cotton

This paper presents a novel approach for multimodal data fusion based on the Vector-Quantized Variational Autoencoder (VQVAE) architecture. The proposed method is simple yet effective in achieving excellent reconstruction performance on…

Machine Learning · Computer Science 2025-01-20 Mohammud J. Bocus , Xiaoyang Wang , Robert. J. Piechocki

Accurate beam prediction is essential for maintaining reliable links and high spectral efficiency in dynamic low-altitude wireless networks. However, existing approaches often fail to capture the deep correlations across heterogeneous…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Xiaotong Zhao , Yuanhao Cui , Weijie Yuan , Ziye Jia , Heng Liu , Chengwen Xing

Wi-Fi devices can effectively be used as passive radar systems that sense what happens in the surroundings and can even discern human activity. We propose, for the first time, a principled architecture which employs Variational…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Marco Cominelli , Francesco Gringoli , Lance M. Kaplan , Mani B. Srivastava , Federico Cerutti

Multi-modal fusion is a fundamental task for the perception of an autonomous driving system, which has recently intrigued many researchers. However, achieving a rather good performance is not an easy task due to the noisy raw data,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Keli Huang , Botian Shi , Xiang Li , Xin Li , Siyuan Huang , Yikang Li

The literature is abundant with methodologies focusing on using transformer architectures due to their prominence in wireless signal processing and their capability to capture long-range dependencies via attention mechanisms. In particular,…

Information Theory · Computer Science 2025-04-17 Cemil Vahapoglu , Timothy J. O'Shea , Wan Liu , Tamoghna Roy , Sennur Ulukus

Passive Wi-Fi-based radars (PWRs) are devices that enable the localization of targets using Wi-Fi signals of opportunity transmitted by an access point. Unlike active radars that optimize their transmitted waveform for localization, PWRs…

Signal Processing · Electrical Eng. & Systems 2025-01-13 Martin Willame , Hasan Can Yildirim , Laurent Storrer , Francois Horlin , Jerome Louveaux

Autonomous systems and smart-industry deployments increasingly split computation across near-sensor, edge, and cloud resources, where tight energy, latency, and reliability budgets demand run-time adaptivity. In practice, deciding what to…

Machine Learning · Computer Science 2026-05-25 Sanggeon Yun , Ryozo Masukawa , Minhyoung Na , Hyunwoo Oh , Yoshiki Yamaguchi , Wenjun Huang , SungHeon Jeong , Mohsen Imani

Multi-sensor fusion is central to robust robotic perception, yet most existing systems operate under static sensor configurations, collecting all modalities at fixed rates and fidelity regardless of their situational utility. This rigidity…

Robotics · Computer Science 2026-02-12 Yanchen Liu , Yuang Fan , Minghui Zhao , Xiaofan Jiang

Recent advances in Wi-Fi sensing have ushered in a plethora of pervasive applications in home surveillance, remote healthcare, road safety, and home entertainment, among others. Most of the existing works are limited to the activity…

Networking and Internet Architecture · Computer Science 2023-09-11 Khandaker Foysal Haque , Milin Zhang , Francesco Restuccia