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The pervasiveness of Wi-Fi signals provides significant opportunities for human sensing and activity recognition in fields such as healthcare. The sensors most commonly used for passive Wi-Fi sensing are based on passive Wi-Fi radar (PWR)…

Signal Processing · Electrical Eng. & Systems 2022-09-09 Armand K. Koupai , Mohammud J. Bocus , Raul Santos-Rodriguez , Robert J. Piechocki , Ryan McConville

Activity recognition, as an important component of behavioral monitoring and intervention, has attracted enormous attention, especially in Mobile Cloud Computing (MCC) and Remote Health Monitoring (RHM) paradigms. While recently resource…

Networking and Internet Architecture · Computer Science 2023-11-17 J. Pagan , R. Fallahzadeh , M. Pedram , José L. Risco-Martín , J. M. Moya , J. L. Ayala , H. Ghasemzadeh

Time series forecasting is an important predictive methodology which can be applied to a wide range of problems. Particularly, forecasting the indoor temperature permits an improved utilization of the HVAC (Heating, Ventilating and Air…

Networking and Internet Architecture · Computer Science 2015-04-22 Juan Pardo , Francisco Zamora-Martinez , Paloma Botella-Rocamora

To support the modern machine-type communications, a crucial task during the random access phase is device activity detection, which is to detect the active devices from a large number of potential devices based on the received signal at…

Information Theory · Computer Science 2021-12-21 Yang Li , Zhilin Chen , Yunqi Wang , Chenyang Yang , Yik-Chung Wu

Anomaly detection in wind turbines typically involves using normal behaviour models to detect faults early. However, training autoencoder models for each turbine is time-consuming and resource intensive. Thus, transfer learning becomes…

Machine Learning · Computer Science 2024-05-07 Cyriana M. A. Roelofs , Christian Gück , Stefan Faulstich

The proliferation of sensors brings an immense volume of spatio-temporal (ST) data in many domains, including monitoring, diagnostics, and prognostics applications. Data curation is a time-consuming process for a large volume of data,…

The Infrared Atmospheric Sounding Interferometer (IASI) on board the MetOp satellite series provides important measurements for Numerical Weather Prediction (NWP). Retrieving accurate atmospheric parameters from the raw data provided by…

Atmospheric and Oceanic Physics · Physics 2020-12-21 David Malmgren-Hansen , Allan Aasbjerg Nielsen , Valero Laparra , Gustau Camps- Valls

Wi-Fi devices, akin to passive radars, can discern human activities within indoor settings due to the human body's interaction with electromagnetic signals. Current Wi-Fi sensing applications predominantly employ data-driven learning…

Signal Processing · Electrical Eng. & Systems 2024-07-09 Marco Cominelli , Francesco Gringoli , Lance M. Kaplan , Mani B. Srivastava , Trevor Bihl , Erik P. Blasch , Nandini Iyer , Federico Cerutti

Accurate prediction of human movements is required to enhance the efficiency of physical human-robot interaction. Behavioral differences across various users are crucial factors that limit the prediction of human motion. Although recent…

Robotics · Computer Science 2021-10-12 Hee-Seung Moon , Jiwon Seo

Human-centric applications such as virtual reality and immersive gaming will be central to the future wireless networks. Common features of such services include: a) their dependence on the human user's behavior and state, and b) their need…

Information Theory · Computer Science 2019-07-11 Ali Taleb Zadeh Kasgari , Walid Saad , Merouane Debbah

Pre-training a deep neural network on the ImageNet dataset is a common practice for training deep learning models, and generally yields improved performance and faster training times. The technique of pre-training on one task and then…

Machine Learning · Computer Science 2020-01-03 Nishai Kooverjee , Steven James , Terence van Zyl

Human activity recognition (HAR) research has increased in recent years due to its applications in mobile health monitoring, activity recognition, and patient rehabilitation. The typical approach is training a HAR classifier offline with…

Signal Processing · Electrical Eng. & Systems 2021-02-24 Sizhe An , Ganapati Bhat , Suat Gumussoy , Umit Ogras

This paper presents an end-to-end deep learning framework using passive WiFi sensing to classify and estimate human respiration activity. A passive radar test-bed is used with two channels where the first channel provides the reference WiFi…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 U. M. Khan , Z. Kabir , S. A. Hassan , S. H. Ahmed

Gait, i.e., the movement pattern of human limbs during locomotion, is a promising biometric for the identification of persons. Despite significant improvement in gait recognition with deep learning, existing studies still neglect a more…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Jinkai Zheng , Xinchen Liu , Chenggang Yan , Jiyong Zhang , Wu Liu , Xiaoping Zhang , Tao Mei

This work presents a new method for unsupervised thermal image classification and semantic segmentation by transferring knowledge from the RGB domain using a multi-domain attention network. Our method does not require any thermal…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Lu Gan , Connor Lee , Soon-Jo Chung

Human activity recognition~(HAR) has attracted significant research interest due to its applications in health monitoring and patient rehabilitation. Recent research on HAR focuses on using smartphones due to their widespread use. However,…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Ganapati Bhat , Ranadeep Deb , Vatika Vardhan Chaurasia , Holly Shill , Umit Y. Ogras

While activity recognition from inertial sensors holds potential for mobile health, differences in sensing platforms and user movement patterns cause performance degradation. Aiming to address these challenges, we propose a transfer…

Human Activity Recognition (HAR) using wearable sensor data has become a central task in mobile computing, healthcare, and human-computer interaction. Despite the success of traditional deep learning models such as CNNs and RNNs, they often…

Machine Learning · Computer Science 2025-05-27 Yunbo Liu , Xukui Qin , Yifan Gao , Xiang Li , Chengwei Feng

Deep neural network is an effective choice to automatically recognize human actions utilizing data from various wearable sensors. These networks automate the process of feature extraction relying completely on data. However, various noises…

Signal Processing · Electrical Eng. & Systems 2021-01-05 Tanvir Mahmud , A. Q. M. Sazzad Sayyed , Shaikh Anowarul Fattah , Sun-Yuan Kung

We present results from a set of experiments in this pilot study to investigate the causal influence of user activity on various environmental parameters monitored by occupant carried multi-purpose sensors. Hypotheses with respect to each…

Human-Computer Interaction · Computer Science 2016-11-17 Ming Jin , Han Zou , Kevin Weekly , Ruoxi Jia , Alexandre M. Bayen , Costas J. Spanos