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EEG signals are usually simple to obtain but expensive to label. Although supervised learning has been widely used in the field of EEG signal analysis, its generalization performance is limited by the amount of annotated data.…

Machine Learning · Computer Science 2021-09-17 Xue Jiang , Jianhui Zhao , Bo Du , Zhiyong Yuan

Recently, many efforts have been made to explore how the brain processes speech using electroencephalographic (EEG) signals, where deep learning-based approaches were shown to be applicable in this field. In order to decode speech signals…

Audio and Speech Processing · Electrical Eng. & Systems 2023-05-24 Qiushi Zhu , Xiaoying Zhao , Jie Zhang , Yu Gu , Chao Weng , Yuchen Hu

Self-supervised learning has produced impressive results in multimedia domains of audio, vision and speech. This paradigm is equally, if not more, relevant for the domain of biosignals, owing to the scarcity of labelled data in such…

Machine Learning · Computer Science 2024-03-07 Aditya Kommineni , Kleanthis Avramidis , Richard Leahy , Shrikanth Narayanan

Modeling effective representations using multiple views that positively influence each other is challenging, and the existing methods perform poorly on Electroencephalogram (EEG) signals for sleep-staging tasks. In this paper, we propose a…

Clinical 12-lead electrocardiography (ECG) is one of the most widely encountered kinds of biosignals. Despite the increased availability of public ECG datasets, label scarcity remains a central challenge in the field. Self-supervised…

Signal Processing · Electrical Eng. & Systems 2022-01-05 Temesgen Mehari , Nils Strodthoff

Objective. Supervised learning paradigms are often limited by the amount of labeled data that is available. This phenomenon is particularly problematic in clinically-relevant data, such as electroencephalography (EEG), where labeling can be…

Machine Learning · Statistics 2020-08-03 Hubert Banville , Omar Chehab , Aapo Hyvärinen , Denis-Alexander Engemann , Alexandre Gramfort

Accurate interpretation of electrocardiogram (ECG) remains challenging due to the scarcity of labeled data and the high cost of expert annotation. Self-supervised learning (SSL) offers a promising solution by enabling models to learn…

Artificial Intelligence · Computer Science 2026-04-14 Zehao Qin , Xiaojian Lin , Ping Zhang , Hongliang Wu , Xinkang Wang , Guangling Liu , Bo Chen , Wenming Yang , Guijin Wang

Datasets for biosignals, such as electroencephalogram (EEG) and electrocardiogram (ECG), often have noisy labels and have limited number of subjects (<100). To handle these challenges, we propose a self-supervised approach based on…

Machine Learning · Computer Science 2020-07-10 Joseph Y. Cheng , Hanlin Goh , Kaan Dogrusoz , Oncel Tuzel , Erdrin Azemi

We exploit a self-supervised deep multi-task learning framework for electrocardiogram (ECG) -based emotion recognition. The proposed solution consists of two stages of learning a) learning ECG representations and b) learning to classify…

Signal Processing · Electrical Eng. & Systems 2020-08-11 Pritam Sarkar , Ali Etemad

Wearable EEG devices have emerged as a promising alternative to polysomnography (PSG). As affordable and scalable solutions, their widespread adoption results in the collection of massive volumes of unlabeled data that cannot be analyzed by…

Human-Computer Interaction · Computer Science 2026-03-12 Emilio Estevan , María Sierra-Torralba , Eduardo López-Larraz , Luis Montesano

In this paper, we propose a simple but powerful unsupervised learning method for speaker recognition, namely Contrastive Equilibrium Learning (CEL), which increases the uncertainty on nuisance factors latent in the embeddings by employing…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-23 Sung Hwan Mun , Woo Hyun Kang , Min Hyun Han , Nam Soo Kim

In the medical field, current ECG signal analysis approaches rely on supervised deep neural networks trained for specific tasks that require substantial amounts of labeled data. However, our paper introduces ECGBERT, a self-supervised…

Signal Processing · Electrical Eng. & Systems 2023-06-13 Seokmin Choi , Sajad Mousavi , Phillip Si , Haben G. Yhdego , Fatemeh Khadem , Fatemeh Afghah

The supervised learning paradigm is limited by the cost - and sometimes the impracticality - of data collection and labeling in multiple domains. Self-supervised learning, a paradigm which exploits the structure of unlabeled data to create…

Electrocardiogram (ECG) analysis is foundational for cardiovascular disease diagnosis, yet the performance of deep learning models is often constrained by limited access to annotated data. Self-supervised contrastive learning has emerged as…

Machine Learning · Computer Science 2025-08-22 Yi Yuan , Joseph Van Duyn , Runze Yan , Zhuoyi Huang , Sulaiman Vesal , Sergey Plis , Xiao Hu , Gloria Hyunjung Kwak , Ran Xiao , Alex Fedorov

EEG-based Emotion recognition holds significant promise for applications in human-computer interaction, medicine, and neuroscience. While deep learning has shown potential in this field, current approaches usually rely on large-scale…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Hanqi Wang , Tao Chen , Liang Song

Decoding information from bio-signals such as EEG, using machine learning has been a challenge due to the small data-sets and difficulty to obtain labels. We propose a reconstruction-based self-supervised learning model, the masked…

Signal Processing · Electrical Eng. & Systems 2022-11-07 Hsiang-Yun Sherry Chien , Hanlin Goh , Christopher M. Sandino , Joseph Y. Cheng

The success of deep neural networks often relies on a large amount of labeled examples, which can be difficult to obtain in many real scenarios. To address this challenge, unsupervised methods are strongly preferred for training neural…

Computer Vision and Pattern Recognition · Computer Science 2019-03-26 Liheng Zhang , Guo-Jun Qi , Liqiang Wang , Jiebo Luo

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…

Signal Processing · Electrical Eng. & Systems 2024-06-19 Navid Mohammadi Foumani , Geoffrey Mackellar , Soheila Ghane , Saad Irtza , Nam Nguyen , Mahsa Salehi

Self-supervised representation learning can mitigate the limitations in recognition tasks with few manually labeled data but abundant unlabeled data---a common scenario in sound event research. In this work, we explore unsupervised…

Sound · Computer Science 2020-11-17 Eduardo Fonseca , Diego Ortego , Kevin McGuinness , Noel E. O'Connor , Xavier Serra

Relating speech to EEG holds considerable importance but is challenging. In this study, a deep convolutional network was employed to extract spatiotemporal features from EEG data. Self-supervised speech representation and contextual text…

Signal Processing · Electrical Eng. & Systems 2024-02-02 Bo Wang , Xiran Xu , Zechen Zhang , Haolin Zhu , YuJie Yan , Xihong Wu , Jing Chen
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