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Motivated by collaborative localization in robotic sensor networks, we consider the problem of large-scale network localization where location estimates are derived from inter-node radio signals. Well-established methods for network…

Signal Processing · Electrical Eng. & Systems 2023-01-30 Lillian Clark , Sampad Mohanty , Bhaskar Krishnamachari

Blind source separation (BSS) techniques have revealed to be promising approaches for, among other, biomedical signal processing applications. Specifically, for the noninvasive extraction of fetal cardiac signals from maternal abdominal…

Multiple initiatives propose utilizing Bluetooth Low Energy (BLE) advertisements for contact tracing and SARS-CoV-2 exposure notifications. This demo shows a research tool to analyze BLE advertisements; if universally enabled by the…

Cryptography and Security · Computer Science 2020-06-01 Jiska Classen , Matthias Hollick

The positioning of users using their smartphones represents interesting service for various areas. Position of users can represent valuable information for various service providers. In industry 4.0 smart devices such as smartphone or…

Human-Computer Interaction · Computer Science 2022-09-27 Jan Racko , Juraj Machaj , Peter Brida

In recent years, MEMS inertial sensors (3D accelerometers and 3D gyroscopes) have become widely available due to their small size and low cost. Inertial sensor measurements are obtained at high sampling rates and can be integrated to obtain…

Robotics · Computer Science 2018-06-12 Manon Kok , Jeroen D. Hol , Thomas B. Schön

Quantum superoperator learning is a pivotal task in quantum information science, enabling accurate reconstruction of unknown quantum operations from measurement data. We propose a robust approach based on the matrix sensing techniques for…

Quantum Physics · Physics 2025-01-27 Quanjun Lang , Jianfeng Lu

Ultrasound technology enables safe, non-invasive imaging of dynamic tissue behavior, making it a valuable tool in medicine, biomechanics, and sports science. However, accurately tracking tissue motion in B-mode ultrasound remains…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Praneeth Namburi , Roger Pallarès-López , Jessica Rosendorf , Duarte Folgado , Brian W. Anthony

Ultrasound localization microscopy (ULM) refers to a promising medical imaging modality that systematically leverages the advantages of contrast-enhanced ultrasound (CEUS) to surpass the diffraction barrier and delineate the microvascular…

Image and Video Processing · Electrical Eng. & Systems 2022-09-22 Md Ashikuzzaman , Brandon Helfield , Hassan Rivaz

The upper mid-band balances coverage and capacity for the future cellular systems and also embraces XL-MIMO systems, offering enhanced spectral and energy efficiency. However, these benefits are significantly degraded under mobility due to…

Signal Processing · Electrical Eng. & Systems 2025-08-13 Hongwei Hou , Yafei Wang , Xinping Yi , Wenjin Wang , Dirk T. M. Slock , Shi Jin

Existing methods for few-shot speaker identification (FSSI) obtain high accuracy, but their computational complexities and model sizes need to be reduced for lightweight applications. In this work, we propose a FSSI method using a…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-01 Yanxiong Li , Hao Chen , Wenchang Cao , Qisheng Huang , Qianhua He

Construction workers are highly vulnerable to heat stress, yet tools that translate real-time physiological data into actionable safety intelligence remain scarce. This study addresses this gap by developing and evaluating deep learning…

Artificial Intelligence · Computer Science 2026-04-22 Syed Sajid Ullah , Amir Khan

Objective: To enable reliable smartphone-based hearing assessments by developing methods to estimate device calibration offsets using categorical loudness scaling (CLS). Design: Calibration offsets were simulated from a Gaussian…

Medical Physics · Physics 2026-05-11 Chen Xu , Birger Kollmeier

Stunting detection is a significant issue in Indonesian healthcare, causing lower cognitive function, lower productivity, a weakened immunity, delayed neuro-development, and degenerative diseases. In regions with a high prevalence of…

Machine Learning · Computer Science 2024-09-24 A. A. Gde Yogi Pramana , Haidar Muhammad Zidan , Muhammad Fazil Maulana , Oskar Natan

With the emerge of the Internet of Things (IoT), localization within indoor environments has become inevitable and has attracted a great deal of attention in recent years. Several efforts have been made to cope with the challenges of…

Information Theory · Computer Science 2022-11-17 Ashkan Goharfar , Jaber Babaki , Mehdi Rasti , Pedro H. J. Nardelli

Deep learning (DL) methods have been shown to improve the performance of several use cases for the fifth-generation (5G) New radio (NR) air interface. In this paper we investigate user equipment (UE) positioning using the channel state…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Anastasios Foliadis , Mario H. Castañeda , Richard A. Stirling-Gallacher , Reiner S. Thomä

Blood Pressure (BP) estimation plays a pivotal role in diagnosing various health conditions, highlighting the need for innovative approaches to overcome conventional measurement challenges. Leveraging machine learning and speech signals,…

Machine Learning · Computer Science 2023-11-28 Vaishali Rajput , Preeti Mulay , Rajeev Raje

In this paper, we present BatNet, a data transmission mechanism using ultrasound signals over the built-in speakers and microphones of smartphones. Using phase shift keying with an 8-point constellation and frequencies between 20--24kHz, it…

Cryptography and Security · Computer Science 2020-08-04 Almos Zarandy , Ilia Shumailov , Ross Anderson

Blind source separation (BSS) methods have been applied to deal with the lack of selectivity of ion-selective electrodes (ISE). In this paper, differently from the standard BSS solutions, which are based on the optimization of a…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Guilherme Dean Pelegrina , Leonardo Tomazeli Duarte

The challenge to synchronize augmented reality (AR) across sessions/devices has been solved by relying solely on vision-feature mapping, which is suboptimal in scaling workable space and flaws under visual changes in surroundings. This…

Human-Computer Interaction · Computer Science 2025-04-08 Maitree Hirunteeyakul

This work makes multiple scientific contributions to the field of Indoor Localization for Ambient Assisted Living in Smart Homes. First, it presents a Big-Data driven methodology that studies the multimodal components of user interactions…

Human-Computer Interaction · Computer Science 2021-06-30 Nirmalya Thakur , Chia Y. Han