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Sleep is essential for maintaining human health and quality of life. Analyzing physiological signals during sleep is critical in assessing sleep quality and diagnosing sleep disorders. However, manual diagnoses by clinicians are…

Signal Processing · Electrical Eng. & Systems 2025-10-02 Cheol-Hui Lee , Hakseung Kim , Byung C. Yoon , Dong-Joo Kim

Leveraging the multilayer realization of programmable metasurfaces, stacked intelligent metasurfaces (SIM) enable fine-grained wave-domain control. However, their wideband deployment is impeded by two structural factors: (i) a single,…

Signal Processing · Electrical Eng. & Systems 2026-03-16 Zheao Li , Jiancheng An , Chau Yuen

A micro-sleep is a short sleep that lasts from 1 to 30 secs. Its detection during driving is crucial to prevent accidents that could claim a lot of people's lives. Electroencephalogram (EEG) is suitable to detect micro-sleep because EEG was…

Machine Learning · Computer Science 2020-12-11 Young-Seok Kweon , Gi-Hwan Shin , Heon-Gyu Kwak , Minji Lee

We present a wearable, fully-dry, and ultra-low power EMG system for silent speech recognition, integrated into a textile neckband to enable comfortable, non-intrusive use. The system features 14 fully-differential EMG channels and is based…

Systems and Control · Electrical Eng. & Systems 2025-09-29 Fiona Meier , Giusy Spacone , Sebastian Frey , Luca Benini , Andrea Cossettini

AASM guidelines are the result of decades of efforts aiming at standardizing sleep scoring procedure, with the final goal of sharing a worldwide common methodology. The guidelines cover several aspects from the technical/digital…

We present the implementation of seizure detection algorithms based on a minimal number of EEG channels on a parallel ultra-low-power embedded platform. The analyses are based on the CHB-MIT dataset, and include explorations of different…

Recently, growing health awareness, novel methods allow individuals to monitor sleep at home. Utilizing sleep sounds offers advantages over conventional methods like smartwatches, being non-intrusive, and capable of detecting various…

Machine Learning · Computer Science 2024-10-18 Shintaro Tamai , Masayuki Numao , Ken-ichi Fukui

Conscious state estimation is important in various medical settings, including sleep staging and anesthesia management, to ensure patient safety and optimize health outcomes. Traditional methods predominantly utilize electroencephalography…

Signal Processing · Electrical Eng. & Systems 2025-11-06 Young-Seok Kweon , Gi-Hwan Shin , Ji-Yong Kim , Bokyeong Ryu , Seong-Whan Lee

Multi-user millimeter-wave communication relies on narrow beams and dense cell deployments to ensure reliable connectivity. However, tracking optimal beams for multiple mobile users across multiple base stations (BSs) results in significant…

Signal Processing · Electrical Eng. & Systems 2026-01-23 Kehui Li , Binggui Zhou , Jiajia Guo , Feifei Gao , Guanghua Yang , Shaodan Ma

Surface electromyography (sEMG) is a noninvasive technique widely used to control myoelectric prostheses and other human-machine interfaces. However, the high cost of commercial systems limits accessibility in academic and research…

Smart glasses with integrated eye tracking technology are revolutionizing diverse fields, from immersive augmented reality experiences to cutting-edge health monitoring solutions. However, traditional eye tracking systems rely heavily on…

Signal Processing · Electrical Eng. & Systems 2024-12-20 Nicolas Schärer , Federico Villani , Aishwarya Melatur , Steven Peter , Tommaso Polonelli , Michele Magno

Psychiatric patients' passive activity monitoring is crucial to detect behavioural shifts in real-time, comprising a tool that helps clinicians supervise patients' evolution over time and enhance the associated treatments' outcomes.…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Fernando Moreno-Pino , María Martínez-García , Pablo M. Olmos , Antonio Artés-Rodríguez

The study in this paper presents a one-dimensional convolutional neural network (1DCNN) model, designed for the automated detection of obstructive Sleep Apnoea (OSA) captured from single-channel electrocardiogram (ECG) signals. The system…

Signal Processing · Electrical Eng. & Systems 2020-02-06 Steven Thompson , Paul Fergus , Carl Chalmers , Denis Reilly

In wearable smart systems, continuous monitoring and accurate classification of different sleep-related conditions are critical for enhancing sleep quality and preventing sleep-related chronic conditions. However, the requirements for…

Signal Processing · Electrical Eng. & Systems 2025-12-23 Chenyu Tang , Wentian Yi , Muzi Xu , Yuxuan Jin , Zibo Zhang , Xuhang Chen , Caizhi Liao , Peter Smielewski , Luigi G. Occhipinti

Sleep is an essential component of human physiology, contributing significantly to overall health and quality of life. Accurate sleep staging and disorder detection are crucial for assessing sleep quality. Studies in the literature have…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Kianoosh Kazemi , Iman Azimi , Michelle Khine , Rami N. Khayat , Amir M. Rahmani , Pasi Liljeberg

Brain Foundation Models (BFMs) are transforming neuroscience by enabling scalable and transferable learning from neural signals, advancing both clinical diagnostics and cutting-edge neuroscience exploration. Their emergence is powered by…

Machine Learning · Computer Science 2026-02-13 Fanqi Shen , Enhong Yang , Jiahe Li , Junru Hong , Xiaoran Pan , Zhizhang Yuan , Meng Li , Yang Yang

Although deep learning (DL) has achieved notable progress in speech enhancement (SE), further research is still required for a DL-based SE system to adapt effectively and efficiently to particular speakers. In this study, we propose a novel…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-11 Cheng Yu , Szu-Wei Fu , Tsun-An Hsieh , Yu Tsao , Mirco Ravanelli

Electroencephalogram (EEG) is a common base signal used to monitor brain activity and diagnose sleep disorders. Manual sleep stage scoring is a time-consuming task for sleep experts and is limited by inter-rater reliability. In this paper,…

Signal Processing · Electrical Eng. & Systems 2019-06-19 Sajad Mousavi , Fatemeh Afghah , U. Rajendra Acharya

Transfer learning, a technique commonly used in generative artificial intelligence, allows neural network models to bring prior knowledge to bear when learning a new task. This study demonstrates that transfer learning significantly…

Quantitative Methods · Quantitative Biology 2025-06-03 William G Coon , Diego Luna , Akshita Panagrahi , Matthew Reid , Mattson Ogg

Accurate classification of sleep stages based on bio-signals is fundamental not only for automatic sleep stage annotation, but also for clinical health management and continuous sleep monitoring. Traditionally, this task relies on…

Machine Learning · Computer Science 2025-09-09 Jingyu Li , Tiehua Zhang , Jinze Wang , Yi Zhang , Yuhuan Li , Yifan Zhao , Zhishu Shen , Libing Wu , Jiannan Liu