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Spatial models for occupancy data are used to estimate and map the true presence of a species, which may depend on biotic and abiotic factors as well as spatial autocorrelation. Traditionally researchers have accounted for spatial…

Applications · Statistics 2021-05-05 Narmadha M. Mohankumar , Trevor J. Hefley

Gait is a person's natural walking style and a complex biological process that is unique to each person. Recently, the channel state information (CSI) of WiFi devices have been exploited to capture human gait biometrics for user…

Machine Learning · Computer Science 2019-02-07 Kalvik Jakkala , Arupjyoti Bhuya , Zhi Sun , Pu Wang , Zhuo Cheng

In recent years WiFi became the primary source of information to locate a person or device indoor. Collecting RSSI values as reference measurements with known positions, known as WiFi fingerprinting, is commonly used in various positioning…

Machine Learning · Computer Science 2023-07-18 Kahraman Kostas , Rabia Yasa Kostas , Francisco Zampella , Firas Alsehly

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

In this paper, a performance evaluation of well-known deep learning models in gait recognition is presented. For this purpose, the transfer learning scheme is adopted to pre-trained models in order to fit the models to the CASIA-B dataset…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 K. D. Apostolidis , P. S. Amanatidis , G. A. Papakostas

Knowing a user's next cell allows more efficient resource allocation and enables new location-aware services. To anticipate the cell a user will hand-over to, we introduce a new machine learning based prediction system. Therein, we…

Networking and Internet Architecture · Computer Science 2013-05-14 Xu Chen , François Mériaux , Stefan Valentin

In this work, we propose a novel data-driven machine learning (ML) technique to model and predict the dynamics of the wireless propagation environment in latent space. Leveraging the idea of channel charting, which learns compressed…

Machine Learning · Computer Science 2024-09-17 Charbel Bou Chaaya , Abanoub M. Girgis , Mehdi Bennis

Position-aided beam selection methods have been shown to be an effective approach to achieve high beamforming gain while limiting the overhead and latency of initial access in millimeter wave (mmWave) communications. Most research in the…

Signal Processing · Electrical Eng. & Systems 2021-10-14 Sajad Rezaie , Elisabeth de Carvalho , Carles Navarro Manchón

Channel-state information (CSI)-based sensing will play a key role in future cellular systems. However, no CSI dataset has been published from a real-world 5G NR system that facilitates the development and validation of suitable sensing…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Reinhard Wiesmayr , Frederik Zumegen , Sueda Taner , Chris Dick , Christoph Studer

The world is moving towards faster data transformation with more efficient localization of a user being the preliminary requirement. This work investigates the use of a deep learning technique for wireless localization, considering both…

Signal Processing · Electrical Eng. & Systems 2020-03-02 Udita Bhattacherjee , Chethan Kumar Anjinappa , LoyCurtis Smith , Ender Ozturk , Ismail Guvenc

Classifying the behavior of humans or animals from videos is important in biomedical fields for understanding brain function and response to stimuli. Action recognition, classifying activities performed by one or more subjects in a trimmed…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Michael Perez , Corey Toler-Franklin

We outline the role of forward and inverse modelling approaches in the design of human--computer interaction systems. Causal, forward models tend to be easier to specify and simulate, but HCI requires solutions of the inverse problem. We…

Human-Computer Interaction · Computer Science 2021-09-09 Roderick Murray-Smith , John H. Williamson , Andrew Ramsay , Francesco Tonolini , Simon Rogers , Antoine Loriette

This paper introduces a new architecture for human pose estimation using a multi- layer convolutional network architecture and a modified learning technique that learns low-level features and higher-level weak spatial models. Unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2014-04-24 Arjun Jain , Jonathan Tompson , Mykhaylo Andriluka , Graham W. Taylor , Christoph Bregler

Ambient computing is gaining popularity as a major technological advancement for the future. The modern era has witnessed a surge in the advancement in healthcare systems, with viable radio frequency solutions proposed for remote and…

Machine Learning · Computer Science 2023-04-20 Muhammad Zakir Khan , Jawad Ahmad , Wadii Boulila , Matthew Broadbent , Syed Aziz Shah , Anis Koubaa , Qammer H. Abbasi

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

Networking and Internet Architecture · Computer Science 2020-07-14 Jeongsik Choi

In this paper we study the use of the Channel State Information (CSI) as fingerprint inputs of a Convolutional Neural Network (CNN) for localization. We examine whether the CSI can be used as a distinct fingerprint corresponding to a single…

Information Theory · Computer Science 2021-01-25 Anastasios Foliadis , Mario H. Castañeda Garcia , Richard A. Stirling-Gallacher , Reiner S. Thomä

Mapping the surrounding environment is essential for the successful operation of autonomous robots. While extensive research has focused on mapping geometric structures and static objects, the environment is also influenced by the movement…

Robotics · Computer Science 2023-09-04 Junyi Shi , Tomasz Piotr Kucner

Supervised machine learning can be used to predict properties of string geometries with previously unknown features. Using the complete intersection Calabi-Yau (CICY) threefold dataset as a theoretical laboratory for this investigation, we…

High Energy Physics - Theory · Physics 2019-07-10 Kieran Bull , Yang-Hui He , Vishnu Jejjala , Challenger Mishra

In the field of artificial intelligence, self-supervised learning has demonstrated superior generalization capabilities by leveraging large-scale unlabeled datasets for pretraining, which is especially critical for wireless communication…

Signal Processing · Electrical Eng. & Systems 2025-03-04 Jun Jiang , Wenjun Yu , Yunfan Li , Yuan Gao , Shugong Xu

Massive MIMO basestations, operating with frequency-division duplexing (FDD), require the users to feedback their channel state information (CSI) in order to design the precoding matrices. Given the powerful capabilities of deep neural…

Information Theory · Computer Science 2024-01-17 Yu Zhang , Ahmed Alkhateeb