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Related papers: aSAGA: Automatic Sleep Analysis with Gray Areas

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The automated generation of layouts is vital for embodied intelligence and autonomous systems, supporting applications from virtual environment construction to home robot deployment. Current approaches, however, suffer from spatial…

A central challenge in sensory neuroscience is describing how the activity of populations of neurons can represent useful features of the external environment. However, while neurophysiologists have long been able to record the responses of…

Neural and Evolutionary Computing · Computer Science 2015-02-18 Chuan-Yung Tsai , David D. Cox

Modern sleep monitoring development is shifting towards the use of unobtrusive sensors combined with algorithms for automatic sleep scoring. Many different combinations of wet and dry electrodes, ear-centered, forehead-mounted or…

Quantitative Methods · Quantitative Biology 2021-04-14 Kaare B. Mikkelsen , Huy Phan , Mike L. Rank , Martin C. Hemmsen , Maarten de Vos , Preben Kidmose

A central challenge in the computational modeling of neural dynamics is the trade-off between accuracy and simplicity. At the level of individual neurons, nonlinear dynamics are both experimentally established and essential for neuronal…

Sleep behaviour and in-bed movements contain rich information on the neurophysiological health of people, and have a direct link to the general well-being and quality of life. Standard clinical practices rely on polysomnography for sleep…

Signal Processing · Electrical Eng. & Systems 2023-01-10 Omar Elnaggar , Roselina Arelhi , Frans Coenen , Andrew Hopkinson , Lyndon Mason , Paolo Paoletti

Automatic sleep staging based on electroencephalography (EEG) and electromyography (EMG) signals is an important aspect of sleep-related research. Current sleep staging methods suffer from two major drawbacks. First, there are limited…

Machine Learning · Computer Science 2025-01-28 Jingyuan Chen , Yuan Yao , Mie Anderson , Natalie Hauglund , Celia Kjaerby , Verena Untiet , Maiken Nedergaard , Jiebo Luo

The regulation of the autonomic nervous system changes with the sleep stages causing variations in the physiological variables. We exploit these changes with the aim of classifying the sleep stages in awake or asleep using pulse oximeter…

Signal Processing · Electrical Eng. & Systems 2020-08-11 Ramiro Casal , Leandro E. Di Persia , Gastón Schlotthauer

Estimating model accuracy on unseen, unlabeled datasets is crucial for real-world machine learning applications, especially under distribution shifts that can degrade performance. Existing methods often rely on predicted class probabilities…

Machine Learning · Computer Science 2025-08-28 Chenzhi Liu , Mahsa Baktashmotlagh , Yanran Tang , Zi Huang , Ruihong Qiu

Language agents powered by large language models (LLMs) have demonstrated remarkable capabilities in understanding, reasoning, and executing complex tasks. However, developing robust agents presents significant challenges: substantial…

Computation and Language · Computer Science 2025-06-02 Qianqian Zhang , Jiajia Liao , Heting Ying , Yibo Ma , Haozhan Shen , Jingcheng Li , Peng Liu , Lu Zhang , Chunxin Fang , Kyusong Lee , Ruochen Xu , Tiancheng Zhao

Processing and analyzing of massive clinical data are resource intensive and time consuming with traditional analytic tools. Electroencephalogram (EEG) is one of the major technologies in detecting and diagnosing various brain disorders,…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-05 Serife Acikalin , Suleyman Eken , Ahmet Sayar

Polysomnography (PSG), the gold standard test for sleep analysis, generates vast amounts of multimodal clinical data, presenting an opportunity to leverage self-supervised representation learning (SSRL) for pre-training foundation models to…

Retrieval-Augmented Generation (RAG) has emerged as a widely adopted approach for enhancing LLMs in scenarios that demand extensive factual knowledge. However, current RAG evaluations concentrate primarily on correctness, which may not…

Computation and Language · Computer Science 2026-03-23 Vinh Nguyen , Cuong Dang , Jiahao Zhang , Hoa Tran , Minh Tran , Trinh Chau , Thai Le , Lu Cheng , Suhang Wang

Automating sleep staging is vital to scale up sleep assessment and diagnosis to serve millions experiencing sleep deprivation and disorders and enable longitudinal sleep monitoring in home environments. Learning from raw polysomnography…

Signal Processing · Electrical Eng. & Systems 2021-04-06 Huy Phan , Oliver Y. Chén , Minh C. Tran , Philipp Koch , Alfred Mertins , Maarten De Vos

Automatic sleep scoring is essential for the diagnosis and treatment of sleep disorders and enables longitudinal sleep tracking in home environments. Conventionally, learning-based automatic sleep scoring on single-channel…

Machine Learning · Computer Science 2024-08-01 Seongju Lee , Yeonguk Yu , Seunghyeok Back , Hogeon Seo , Kyoobin Lee

We describe ASAGA, an asynchronous parallel version of the incremental gradient algorithm SAGA that enjoys fast linear convergence rates. Through a novel perspective, we revisit and clarify a subtle but important technical issue present in…

Optimization and Control · Mathematics 2017-11-09 Rémi Leblond , Fabian Pedregosa , Simon Lacoste-Julien

Sleep state classification is vital in managing and understanding sleep patterns and is generally the first step in identifying acute or chronic sleep disorders. However, it is essential to do this without affecting the natural environment…

Signal Processing · Electrical Eng. & Systems 2020-11-19 Nemath Ahmed , Aashit Singh , Srivyshnav KS , Gulshan Kumar , Gaurav Parchani , Vibhor Saran

Generative adversarial networks (GANs) nowadays are capable of producing images of incredible realism. One concern raised is whether the state-of-the-art GAN's learned distribution still suffers from mode collapse, and what to do if so.…

Machine Learning · Computer Science 2021-07-27 Zhenyu Wu , Zhaowen Wang , Ye Yuan , Jianming Zhang , Zhangyang Wang , Hailin Jin

Sleep staging is a clinically important task for diagnosing various sleep disorders, but remains challenging to deploy at scale because it because it is both labor-intensive and time-consuming. Supervised deep learning-based approaches can…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Sayeri Lala , Hanlin Goh , Christopher Sandino

This paper proposes a new approach to identifying patients with insomnia using a single EEG channel, without the need for sleep stage annotation. Data preprocessing, feature extraction, feature selection, and classification techniques are…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Chan-Yun Yang , Nilantha Premakumara , Hooman Samani , Chinthaka Premachandra

As datasets continue to increase in size and multi-core computer architectures are developed, asynchronous parallel optimization algorithms become more and more essential to the field of Machine Learning. Unfortunately, conducting the…

Optimization and Control · Mathematics 2019-03-26 Rémi Leblond , Fabian Pedregosa , Simon Lacoste-Julien