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In this article, we propose a novel ECG classification framework for atrial fibrillation (AF) detection using spectro-temporal representation (i.e., time varying spectrum) and deep convolutional networks. In the first step we use a Bayesian…

Signal Processing · Electrical Eng. & Systems 2018-12-14 Zheng Zhao , Simo Särkkä , Ali Bahrami Rad

Accurate cardiac output (CO) estimation from photoplethysmography (PPG) is promising for unobtrusive hemodynamic monitoring, but remains difficult since CO is jointly determined by cardiac function and vascular tone. Conventional…

Medical Physics · Physics 2026-05-20 Yaowen Zhang , Bo Cui , Libera Fresiello , Peter H. Veltink , Dirk W. Donker , Ying Wang

Brain-computer interface (BCI) technology utilizing electroencephalography (EEG) marks a transformative innovation, empowering motor-impaired individuals to engage with their environment on equal footing. Despite its promising potential,…

In the process of patient diagnosis, non-invasive measurements are widely used due to their low risks and quick results. Electrocardiogram (ECG), as a non-invasive method to collect heart activities, is used to diagnose cardiac conditions.…

Machine Learning · Computer Science 2025-12-11 Yuhao Xu , Jiaying Lu , Sirui Ding , Defu Cao , Xiao Hu , Carl Yang

Driver emotion recognition plays a crucial role in driver monitoring systems, enhancing human-autonomy interactions and the trustworthiness of Autonomous Driving (AD). Various physiological and behavioural modalities have been explored for…

Machine Learning · Computer Science 2025-03-04 Nastaran Mansourian , Arash Mohammadi , M. Omair Ahmad , M. N. S. Swamy

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Ziyu Liu , Xiang Zhang

In this article, we present a new EEG signal classification framework by integrating the complex-valued and real-valued Convolutional Neural Network(CNN) with discrete Fourier transform (DFT). The proposed neural network architecture…

Machine Learning · Computer Science 2022-08-01 Hang Du , Rebecca Pillai Riddell , Xiaogang Wang

Multimodal Emotion Recognition in Conversation (ERC) plays an influential role in the field of human-computer interaction and conversational robotics since it can motivate machines to provide empathetic services. Multimodal data modeling is…

Multimedia · Computer Science 2023-11-23 Jiang Li , Xiaoping Wang , Guoqing Lv , Zhigang Zeng

Electrocardiogram (ECG), a technique for medical monitoring of cardiac activity, is an important method for identifying cardiovascular disease. However, analyzing the increasing quantity of ECG data consumes a lot of medical resources. This…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Xinyao Hou , Shengmei Qin , Jianbo Su

Electroencephalography (EEG) is a vital tool to measure and record brain activity in neuroscience and clinical applications, yet its potential is constrained by signal heterogeneity, low signal-to-noise ratios, and limited labeled datasets.…

Machine Learning · Computer Science 2024-09-20 Enze Shi , Kui Zhao , Qilong Yuan , Jiaqi Wang , Huawen Hu , Sigang Yu , Shu Zhang

Prediction of epilepsy based on electroencephalogram (EEG) signals is a rapidly evolving field. Previous studies have traditionally applied 1D processing to the entire EEG signal. However, we have adopted the Gram Matrix method to transform…

Machine Learning · Computer Science 2025-12-16 Bihao You , Jiping Cui

Electrocardiogram (ECG) analysis is a fundamental tool for diagnosing cardiovascular conditions, yet anomaly detection in ECG signals remains challenging due to their inherent complexity and variability. We propose Multi-scale Masked…

Machine Learning · Computer Science 2025-02-11 Ya Zhou , Yujie Yang , Jianhuang Gan , Xiangjie Li , Jing Yuan , Wei Zhao

EEG emotion recognition faces significant hurdles due to noise interference, signal nonstationarity, and the inherent complexity of brain activity which make accurately emotion classification. In this study, we present the Fourier Adjacency…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Jinfeng Wang , Yanhao Huang , Sifan Song , Boqian Wang , Jionglong Su , Jiaman Ding

Automated interpretation of electrocardiograms (ECG) has garnered significant attention with the advancements in machine learning methodologies. Despite the growing interest, most current studies focus solely on classification or regression…

Signal Processing · Electrical Eng. & Systems 2023-11-07 Jielin Qiu , Jiacheng Zhu , Shiqi Liu , William Han , Jingqi Zhang , Chaojing Duan , Michael Rosenberg , Emerson Liu , Douglas Weber , Ding Zhao

Considering the variability of amplitude and phase patterns in electrocardiogram (ECG) signals due to cardiac activity and individual differences, existing entropy-based studies have not fully utilized these two patterns and lack…

Signal Processing · Electrical Eng. & Systems 2024-04-16 Shuaicong Hu , Yanan Wang , Jian Liu , Jingyu Lin , Shengmei Qin , Zhenning Nie , Zhifeng Yao , Wenjie Cai , Cuiwei Yang

We propose two deep neural network architectures for classification of arbitrary-length electrocardiogram (ECG) recordings and evaluate them on the atrial fibrillation (AF) classification data set provided by the PhysioNet/CinC Challenge…

Machine Learning · Computer Science 2018-04-10 Martin Zihlmann , Dmytro Perekrestenko , Michael Tschannen

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…

Machine Learning · Computer Science 2023-10-24 Hongxiang Gao , Xiangyao Wang , Zhenghua Chen , Min Wu , Zhipeng Cai , Lulu Zhao , Jianqing Li , Chengyu Liu

Electrocardiogram (ECG) arrhythmia classification remains challenging due to signal variability, noise, limited labeled data, and the difficulty in achieving both accuracy and efficiency in models. While self-supervised learning reduces…

Machine Learning · Computer Science 2026-05-14 Mahsa Gazeran , Sayvan Soleymanbaigi , Fatemeh Daneshfar , Amjad Seyedi , Fardin Akhlaghian Tab

Emotion recognition is essential for applications in affective computing and behavioral prediction, but conventional systems relying on single-modality data often fail to capture the complexity of affective states. To address this…

Multimedia · Computer Science 2025-09-08 Jianlu Wang , Yanan Wang , Tong Liu

Physiological signals such as electrocardiograms (ECG) and electroencephalograms (EEG) provide complementary insights into human health and cognition, yet multi-modal integration is challenging due to limited multi-modal labeled data, and…