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This paper proposes a deep learning (DL) model for automatic sleep stage classification based on single-channel EEG data. The DL model features a convolutional neural network (CNN) and transformers. The model was designed to run on energy…

信号处理 · 电气工程与系统科学 2022-11-24 Zongyan Yao , Xilin Liu

Photoplethysmography (PPG) is widely used in wearable health monitoring, yet large PPG foundation models remain difficult to deploy on resource-limited devices. We present PPG-Distill, a knowledge distillation framework that transfers both…

机器学习 · 计算机科学 2025-11-10 Juntong Ni , Saurabh Kataria , Shengpu Tang , Carl Yang , Xiao Hu , Wei Jin

Accurate classification of sleep stages is crucial for the diagnosis and management of sleep disorders. Conventional approaches for sleep scoring rely on manual annotation or features extracted from EEG signals in the time or frequency…

机器学习 · 计算机科学 2025-10-10 Mehdi Zekriyapanah Gashti , Ghasem Farjamnia

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…

机器学习 · 计算机科学 2025-09-09 Jingyu Li , Tiehua Zhang , Jinze Wang , Yi Zhang , Yuhuan Li , Yifan Zhao , Zhishu Shen , Libing Wu , Jiannan Liu

Tasks ranging from sleep staging to clinical diagnosis traditionally rely on standard polysomnography (PSG) devices, bedside monitors and wearable devices, which capture diverse nocturnal biosignals (e.g., EEG, EOG, ECG, SpO$_2$). However,…

机器学习 · 计算机科学 2026-02-17 Weixuan Yuan , Zengrui Jin , Yichen Wang , Donglin Xie , Ziyi Ye , Chao Zhang , Xuesong Chen

Brain waves vary between people. An obvious way to improve automatic sleep staging for longitudinal sleep monitoring is personalization of algorithms based on individual characteristics extracted from the first night of data. As a single…

机器学习 · 计算机科学 2020-05-13 Huy Phan , Kaare Mikkelsen , Oliver Y. Chén , Philipp Koch , Alfred Mertins , Preben Kidmose , Maarten De Vos

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…

A deep learning model, named IITNet, is proposed to learn intra- and inter-epoch temporal contexts from raw single-channel EEG for automatic sleep scoring. To classify the sleep stage from half-minute EEG, called an epoch, sleep experts…

机器学习 · 计算机科学 2020-06-11 Hogeon Seo , Seunghyeok Back , Seongju Lee , Deokhwan Park , Tae Kim , Kyoobin Lee

Accurate extraction of heart rate from photoplethysmography (PPG) signals remains challenging due to motion artifacts and signal degradation. Although deep learning methods trained as a data-driven inference problem offer promising…

信号处理 · 电气工程与系统科学 2024-10-21 Christodoulos Kechris , Jonathan Dan , Jose Miranda , David Atienza

Photoplethysmography (PPG) is a widely adopted, non-invasive technique for monitoring cardiovascular health and physiological parameters in both consumer and clinical settings. While motion artifacts in dynamic environments have been…

人机交互 · 计算机科学 2025-04-17 Manh Pham Hung , Matthew Yiwen Ho , Yiming Zhang , Dimitris Spathis , Aaqib Saeed , Dong Ma

Photoplethysmography (PPG) signal comprises physiological information related to cardiorespiratory health. However, while recording, these PPG signals are easily corrupted by motion artifacts and body movements, leading to noise enriched,…

信号处理 · 电气工程与系统科学 2022-10-11 Tamaghno Chatterjee , Aayushman Ghosh , Sayan Sarkar

Photoplethysmography (PPG) is a non-invasive technology that measures changes in blood volume in the microvascular bed of tissue. It is commonly used in medical devices such as pulse oximeters and wrist worn heart rate monitors to monitor…

Sleep Stage Classification (SSC) is a labor-intensive task, requiring experts to examine hours of electrophysiological recordings for manual classification. This is a limiting factor when it comes to leveraging sleep stages for therapeutic…

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.…

信号处理 · 电气工程与系统科学 2022-11-21 Fernando Moreno-Pino , María Martínez-García , Pablo M. Olmos , Antonio Artés-Rodríguez

Vital sign measurement using cameras presents opportunities for comfortable, ubiquitous health monitoring. Remote photoplethysmography (rPPG), a foundational technology, enables cardiac measurement through minute changes in light reflected…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Kegang Wang , Jiankai Tang , Yuntao Wang , Xin Liu , Yuxuan Fan , Jiatong Ji , Yuanchun Shi , Daniel McDuff

Sleep stage classification is a common method used by experts to monitor the quantity and quality of sleep in humans, but it is a time-consuming and labour-intensive task with high inter- and intra-observer variability. Using Wavelets for…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Eugenia Moris , Ignacio Larrabide

Sleep staging is a challenging task, typically manually performed by sleep technologists based on electroencephalogram and other biosignals of patients taken during overnight sleep studies. Recent work aims to leverage automated algorithms…

机器学习 · 计算机科学 2024-11-13 Shashank Manjunath , Hau-Tieng Wu , Aarti Sathyanarayana

This paper tackles the unsupervised depth estimation task in indoor environments. The task is extremely challenging because of the vast areas of non-texture regions in these scenes. These areas could overwhelm the optimization process in…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Zehao Yu , Lei Jin , Shenghua Gao

Distribution shift poses a significant challenge in machine learning, particularly in biomedical applications using data collected across different subjects, institutions, and recording devices, such as sleep data. While existing…

机器学习 · 计算机科学 2026-02-02 Théo Gnassounou , Antoine Collas , Rémi Flamary , Alexandre Gramfort

Humans approximately spend a third of their life sleeping, which makes monitoring sleep an integral part of well-being. In this paper, a 34-layer deep residual ConvNet architecture for end-to-end sleep staging is proposed. The network takes…