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In the last years, several machine learning-based techniques have been proposed to monitor human movements from Wi-Fi channel readings. However, the development of domain-adaptive algorithms that robustly work across different environments…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Francesca Meneghello , Nicolò Dal Fabbro , Domenico Garlisi , Ilenia Tinnirello , Michele Rossi

Due to their ubiquitous and pervasive nature, Wi-Fi networks have the potential to collect large-scale, low-cost, and disaggregate data on multimodal transportation. In this study, we develop a semi-supervised deep residual network (ResNet)…

Machine Learning · Computer Science 2019-02-19 Arash Kalatian , Bilal Farooq

Existing Wi-Fi sensing systems rely on injecting high-rate probing packets to extract channel state information (CSI), leading to communication degradation and poor deployability. Although Integrated Sensing and Communication (ISAC) is a…

Signal Processing · Electrical Eng. & Systems 2025-12-30 Gaofeng Dong , Kang Yang , Mani Srivastava

In this article we consider the problems of distributed detection and estimation in wireless sensor networks. In the first part, we provide a general framework aimed to show how an efficient design of a sensor network requires a joint…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-07-08 Sergio Barbarossa , Stefania Sardellitti , Paolo Di Lorenzo

Recent work on encoder-decoder models for sequence-to-sequence mapping has shown that integrating both temporal and spatial attention mechanisms into neural networks increases the performance of the system substantially. In this work, we…

Machine Learning · Computer Science 2017-08-04 Stefan Braun , Daniel Neil , Enea Ceolini , Jithendar Anumula , Shih-Chii Liu

A "wireless fingerprint" which exploits hardware imperfections unique to each device is a potentially powerful tool for wireless security. Such a fingerprint should be able to distinguish between devices sending the same message, and should…

Signal Processing · Electrical Eng. & Systems 2019-08-27 Soorya Gopalakrishnan , Metehan Cekic , Upamanyu Madhow

In the task of temporal action localization of ActivityNet-1.3 datasets, we propose to locate the temporal boundaries of each action and predict action class in untrimmed videos. We first apply VideoSwinTransformer as feature extractor to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Shimin Chen , Wei Li , Jianyang Gu , Chen Chen , Yandong Guo

A novel cross-domain attentional multi-task architecture - xDom - for robust real-world wireless radio frequency (RF) fingerprinting is presented in this work. To the best of our knowledge, this is the first time such comprehensive…

Machine Learning · Computer Science 2022-09-08 Anu Jagannath , Zackary Kane , Jithin Jagannath

In this paper we propose Time Synchronized One-Time-Password scheme to provide secure wake up authentication. The main constraint of wireless sensor networks is their limited power resource that prevents us from using radio transmission…

Networking and Internet Architecture · Computer Science 2013-02-08 Anastasios Kavoukis , Salem Aljareh

Micro-actions are subtle, localized movements lasting 1-3 seconds such as scratching one's head or tapping fingers. Such subtle actions are essential for social communication, ubiquitously used in natural interactions, and thus critical for…

Computer Vision and Pattern Recognition · Computer Science 2026-04-24 Naga VS Raviteja Chappa , Evangelos Sariyanidi , Lisa Yankowitz , Gokul Nair , Casey J. Zampella , Robert T. Schultz , Birkan Tunç

This paper presents a method for continuous indoor-outdoor environment detection on mobile devices based solely on WiFi fingerprints. Detection of indoor outdoor switching is an important part of identifying a user's context, and it…

Signal Processing · Electrical Eng. & Systems 2019-08-05 Guy Shtar , Bracha Shapira , Lior Rokach

Ground-based remote sensing cloud image sequence extrapolation is a key research area in the development of photovoltaic power systems. However, existing approaches exhibit several limitations:(1)they primarily rely on static kernels to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Penghui Niu , Taotao Cai , Suqi Zhang , Junhua Gua , Ping Zhanga , Qiqi Liu , Jianxin Li

We introduce a deepfake video detection approach that exploits pixel-wise temporal inconsistencies, which traditional spatial frequency-based detectors often overlook. Traditional detectors represent temporal information merely by stacking…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Taehoon Kim , Jongwook Choi , Yonghyun Jeong , Haeun Noh , Jaejun Yoo , Seungryul Baek , Jongwon Choi

In recent years, building change detection methods have made great progress by introducing deep learning, but they still suffer from the problem of the extracted features not being discriminative enough, resulting in incomplete regions and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Yi Liu , Chao Pang , Zongqian Zhan , Xiaomeng Zhang , Xue Yang

We present DeepCSI, a novel approach to Wi-Fi radio fingerprinting (RFP) which leverages standard-compliant beamforming feedback matrices to authenticate MU-MIMO Wi-Fi devices on the move. By capturing unique imperfections in off-the-shelf…

Networking and Internet Architecture · Computer Science 2022-12-01 Francesca Meneghello , Michele Rossi , Francesco Restuccia

Understanding human activity is a crucial aspect of developing intelligent robots, particularly in the domain of human-robot collaboration. Nevertheless, existing systems encounter challenges such as over-segmentation, attributed to errors…

Robotics · Computer Science 2024-10-11 Hao Xing , Darius Burschka

This paper looks into the technology classification problem for a distributed wireless spectrum sensing network. First, a new data-driven model for Automatic Modulation Classification (AMC) based on long short term memory (LSTM) is…

Networking and Internet Architecture · Computer Science 2018-07-12 Sreeraj Rajendran , Wannes Meert , Domenico Giustiniano , Vincent Lenders , Sofie Pollin

This paper takes the first steps toward enabling wireless networks to perform both imaging and communication in a distributed manner. We propose Distributed Simultaneous Imaging and Symbol Detection (DSISD), a provably convergent…

Systems and Control · Electrical Eng. & Systems 2022-06-22 Nishant Mehrotra , Ashutosh Sabharwal , César A. Uribe

A person's movement or relative positioning can be effectively captured by different types of sensors and corresponding sensor output can be utilized in various manipulative techniques for the classification of different human activities.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Utsab Saha , Sawradip Saha , Tahmid Kabir , Shaikh Anowarul Fattah , Mohammad Saquib

Dynamic graph learning is essential for applications involving temporal networks and requires effective modeling of temporal relationships. Seminal attention-based models like TGAT and DyGFormer rely on sinusoidal time encoders to capture…

Machine Learning · Computer Science 2025-08-05 Hsing-Huan Chung , Shravan Chaudhari , Xing Han , Yoav Wald , Suchi Saria , Joydeep Ghosh
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