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The effectiveness of self-supervised learning (SSL) for physiological time series depends on the ability of a pretraining objective to preserve information about the underlying physiological state while filtering out unrelated noise.…

机器学习 · 计算机科学 2025-12-02 Yenho Chen , Maxwell A. Xu , James M. Rehg , Christopher J. Rozell

Electroencephalography (EEG) motor imagery (MI) classification is a fundamental, yet challenging task due to the variation of signals between individuals i.e., inter-subject variability. Previous approaches try to mitigate this using…

信号处理 · 电气工程与系统科学 2024-07-10 Sion An , Myeongkyun Kang , Soopil Kim , Philip Chikontwe , Li Shen , Sang Hyun Park

Transformer neural networks require a large amount of labeled data to train effectively. Such data is often scarce in electroencephalography, as annotations made by medical experts are costly. This is why self-supervised training, using…

信号处理 · 电气工程与系统科学 2024-10-11 Tim Bary , Benoit Macq

EEG signals capture brain activity with high temporal and low spatial resolution, supporting applications such as neurological diagnosis, cognitive monitoring, and brain-computer interfaces. However, effective analysis is hindered by…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Amirabbas Hojjati , Lu Li , Ibrahim Hameed , Anis Yazidi , Pedro G. Lind , Rabindra Khadka

Self-supervised approaches for electroencephalography (EEG) representation learning face three specific challenges inherent to EEG data: (1) The low signal-to-noise ratio which challenges the quality of the representation learned, (2) The…

信号处理 · 电气工程与系统科学 2024-06-19 Navid Mohammadi Foumani , Geoffrey Mackellar , Soheila Ghane , Saad Irtza , Nam Nguyen , Mahsa Salehi

Electroencephalography (EEG) is a widely used tool for studying brain function, with applications in clinical neuroscience, diagnosis, and brain-computer interfaces (BCIs). Recent EEG foundation models trained on large unlabeled corpora aim…

机器学习 · 计算机科学 2026-05-08 Saarang Panchavati , Uddhav Panchavati , Hiroki Nariai , Corey Arnold , William Speier

Position encoding (PE), an essential part of self-attention networks (SANs), is used to preserve the word order information for natural language processing tasks, generating fixed position indices for input sequences. However, in…

计算与语言 · 计算机科学 2020-11-24 Liang Ding , Longyue Wang , Dacheng Tao

Continuous electroencephalography (EEG) is routinely used in neurocritical care to monitor seizures and other harmful brain activity, including rhythmic and periodic patterns that are clinically significant. Although deep learning methods…

人机交互 · 计算机科学 2026-01-05 Argha Kamal Samanta , Deepak Mewada , Monalisa Sarma , Debasis Samanta

This paper proposes a method to construct pretext tasks for self-supervised learning on group equivariant neural networks. Group equivariant neural networks are the models whose structure is restricted to commute with the transformations on…

计算机视觉与模式识别 · 计算机科学 2023-03-09 Yusuke Mukuta , Tatsuya Harada

Deep auto-encoders (DAEs) have achieved great success in learning data representations via the powerful representability of neural networks. But most DAEs only focus on the most dominant structures which are able to reconstruct the data…

机器学习 · 计算机科学 2020-07-14 Zhao Kang , Xiao Lu , Jian Liang , Kun Bai , Zenglin Xu

Electroencephalography (EEG) is a prominent non-invasive neuroimaging technique providing insights into brain function. Unfortunately, EEG data exhibit a high degree of noise and variability across subjects hampering generalizable signal…

机器学习 · 计算机科学 2023-11-15 Anders Vestergaard Nørskov , Alexander Neergaard Zahid , Morten Mørup

This study explores the application of self-supervised learning (SSL) to the task of motion forecasting, an area that has not yet been extensively investigated despite the widespread success of SSL in computer vision and natural language…

机器人学 · 计算机科学 2023-08-22 Jie Cheng , Xiaodong Mei , Ming Liu

Extracting information from the electrocardiography (ECG) signal is an essential step in the design of digital health technologies in cardiology. In recent years, several machine learning (ML) algorithms for automatic extraction of…

信号处理 · 电气工程与系统科学 2023-05-18 Adrian Atienza , Jakob Bardram , Sadasivan Puthusserypady

Transformer has shown promising results in many sequence to sequence transformation tasks recently. It utilizes a number of feed-forward self-attention layers to replace the recurrent neural networks (RNN) in attention-based encoder decoder…

计算与语言 · 计算机科学 2020-12-01 Pan Zhou , Ruchao Fan , Wei Chen , Jia Jia

Self-supervised learning has emerged as a highly effective approach in the fields of natural language processing and computer vision. It is also applicable to brain signals such as electroencephalography (EEG) data, given the abundance of…

信号处理 · 电气工程与系统科学 2024-01-22 Yuqi Chen , Kan Ren , Kaitao Song , Yansen Wang , Yifan Wang , Dongsheng Li , Lili Qiu

Towards practical applications of Electroencephalography (EEG), lightweight acquisition devices garner significant attention. However, EEG channel selection methods are commonly data-sensitive and cannot establish a unified sound paradigm…

信号处理 · 电气工程与系统科学 2025-11-03 Dongdong Li , Zhongliang Zeng , Zhe Wang , Hai Yang

In the domain of cardiovascular healthcare, the Electrocardiogram (ECG) serves as a critical, non-invasive diagnostic tool. Although recent strides in self-supervised learning (SSL) have been promising for ECG representation learning, these…

信号处理 · 电气工程与系统科学 2023-09-15 Che Liu , Zhongwei Wan , Sibo Cheng , Mi Zhang , Rossella Arcucci

Modern sensing systems generate large volumes of unlabeled multivariate time-series data. This abundance of unlabeled data makes self-supervised learning (SSL) a natural approach for learning transferable representations. However, most…

Electrocardiograms (ECG) are widely employed as a diagnostic tool for monitoring electrical signals originating from a heart. Recent machine learning research efforts have focused on the application of screening various diseases using ECG…

信号处理 · 电气工程与系统科学 2024-03-20 Yeongyeon Na , Minje Park , Yunwon Tae , Sunghoon Joo

Electroencephalography (EEG) plays a crucial role in brain-computer interfaces (BCIs) and neurological diagnostics, but its real-world deployment faces challenges due to noise artifacts, missing data, and high annotation costs. We introduce…

信号处理 · 电气工程与系统科学 2025-10-24 Meghna Roy Chowdhury , Yi Ding , Shreyas Sen