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The affective brain-computer interface is a crucial technology for affective interaction and emotional intelligence, emerging as a significant area of research in the human-computer interaction. Compared to single-type features, multi-type…

人机交互 · 计算机科学 2025-08-11 Xueyuan Xu , Wenjia Dong , Fulin Wei , Li Zhuo

We study multimodal affect modeling when EEG and peripheral physiology are asynchronous, which most fusion methods ignore or handle with costly warping. We propose Cross-Temporal Attention Fusion (CTAF), a self-supervised module that learns…

机器学习 · 计算机科学 2026-02-04 Arian Khorasani , Théophile Demazure

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…

信号处理 · 电气工程与系统科学 2023-06-13 Seokmin Choi , Sajad Mousavi , Phillip Si , Haben G. Yhdego , Fatemeh Khadem , Fatemeh Afghah

Speech emotion recognition (SER) systems find applications in various fields such as healthcare, education, and security and defense. A major drawback of these systems is their lack of generalization across different conditions. This…

音频与语音处理 · 电气工程与系统科学 2023-05-15 Srinivas Parthasarathy , Carlos Busso

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…

机器学习 · 计算机科学 2020-07-10 Joseph Y. Cheng , Hanlin Goh , Kaan Dogrusoz , Oncel Tuzel , Erdrin Azemi

Subject-independent EEG emotion recognition is challenged by pronounced inter-subject variability and the difficulty of learning robust representations from short, noisy recordings. To address this, we propose a fusion framework that…

机器学习 · 计算机科学 2026-01-14 Zheng Zhou , Isabella McEvoy , Camilo E. Valderrama

The data scarcity problem in Electroencephalography (EEG) based affective computing results into difficulty in building an effective model with high accuracy and stability using machine learning algorithms especially deep learning models.…

机器学习 · 计算机科学 2021-09-09 Zhi Zhang , Sheng-hua Zhong , Yan Liu

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

In order to exploit representations of time-series signals, such as physiological signals, it is essential that these representations capture relevant information from the whole signal. In this work, we propose to use a Transformer-based…

神经元与认知 · 定量生物学 2022-06-06 Juan Vazquez-Rodriguez , Grégoire Lefebvre , Julien Cumin , James L. Crowley

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

EEG based multi-dimension emotion recognition has attracted substantial research interest in human computer interfaces. However, the high dimensionality of EEG features, coupled with limited sample sizes, frequently leads to classifier…

人机交互 · 计算机科学 2025-08-08 Tianze Yu , Junming Zhang , Wenjia Dong , Xueyuan Xu , Li Zhuo

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…

信号处理 · 电气工程与系统科学 2022-01-05 Temesgen Mehari , Nils Strodthoff

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…

人工智能 · 计算机科学 2026-04-14 Zehao Qin , Xiaojian Lin , Ping Zhang , Hongliang Wu , Xinkang Wang , Guangling Liu , Bo Chen , Wenming Yang , Guijin Wang

In this paper, we propose a deep learning framework, TSception, for emotion detection from electroencephalogram (EEG). TSception consists of temporal and spatial convolutional layers, which learn discriminative representations in the time…

信号处理 · 电气工程与系统科学 2020-04-09 Yi Ding , Neethu Robinson , Qiuhao Zeng , Duo Chen , Aung Aung Phyo Wai , Tih-Shih Lee , Cuntai Guan

Automatic emotion recognition based on multichannel Electroencephalography (EEG) holds great potential in advancing human-computer interaction. However, several significant challenges persist in existing research on algorithmic emotion…

机器学习 · 计算机科学 2023-10-24 Hongxiang Gao , Xiangyao Wang , Zhenghua Chen , Min Wu , Zhipeng Cai , Lulu Zhao , Jianqing Li , Chengyu Liu

Motor imagery (MI) classification based on electroencephalogram (EEG) is a widely-used technique in non-invasive brain-computer interface (BCI) systems. Since EEG recordings suffer from heterogeneity across subjects and labeled data…

信号处理 · 电气工程与系统科学 2024-02-16 Shadi Sartipi , Mujdat Cetin

Learning representations from electrocardiogram (ECG) signals can serve as a fundamental step for different machine learning-based ECG tasks. In order to extract general ECG representations that can be adapted to various downstream tasks,…

机器学习 · 计算机科学 2022-09-22 Wenrui Zhang , Shijia Geng , Shenda Hong

This study introduces a novel Supervised Info-enhanced Contrastive Learning framework for EEG based Emotion Recognition (SICLEER). SI-CLEER employs multi-granularity contrastive learning to create robust EEG contextual representations,…

机器学习 · 计算机科学 2024-05-14 Xiang Li , Jian Song , Zhigang Zhao , Chunxiao Wang , Dawei Song , Bin Hu

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…

信号处理 · 电气工程与系统科学 2024-02-02 Bo Wang , Xiran Xu , Zechen Zhang , Haolin Zhu , YuJie Yan , Xihong Wu , Jing Chen

Background: Deep learning models have shown great success in automating tasks in sleep medicine by learning from carefully annotated Electroencephalogram (EEG) data. However, effectively utilizing a large amount of raw EEG remains a…

信号处理 · 电气工程与系统科学 2023-02-14 Chaoqi Yang , Danica Xiao , M. Brandon Westover , Jimeng Sun