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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

We propose contrastive coding to learn shared, dense image representations, referred to as CoMIRs (Contrastive Multimodal Image Representations). CoMIRs enable the registration of multimodal images where existing registration methods often…

Computer Vision and Pattern Recognition · Computer Science 2021-01-14 Nicolas Pielawski , Elisabeth Wetzer , Johan Öfverstedt , Jiahao Lu , Carolina Wählby , Joakim Lindblad , Nataša Sladoje

Electroencephalography (EEG) and magnetoencephalography (MEG) play important and complementary roles in non-invasive brain-computer interface (BCI) decoding. However, compared to the low cost and portability of EEG, MEG is more expensive…

Signal Processing · Electrical Eng. & Systems 2026-02-10 Zhuo Li , Shuqiang Wang

Alzheimer's disease (AD) is an incurable neurodegenerative condition leading to cognitive and functional deterioration. Given the lack of a cure, prompt and precise AD diagnosis is vital, a complex process dependent on multiple factors and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Guangqian Yang , Kangrui Du , Zhihan Yang , Ye Du , Yongping Zheng , Shujun Wang

The electrocardiogram (ECG) remains a fundamental tool in cardiac diagnostics, yet its interpretation traditionally reliant on the expertise of cardiologists. The emergence of deep learning has heralded a revolutionary era in medical data…

Signal Processing · Electrical Eng. & Systems 2024-09-13 Cheng Ding , Tianliang Yao , Chenwei Wu , Jianyuan Ni

Electrocardiograms (ECGs) are an established technique to screen for abnormal cardiac signals. Recent work has established that it is possible to detect arrhythmia directly from the ECG signal using deep learning algorithms. While a few…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Hyewon Jeong , Suyeol Yun , Hammaad Adam

Unsupervised representation learning for dynamic graphs has attracted a lot of research attention in recent years. Compared with static graph, the dynamic graph is a comprehensive embodiment of both the intrinsic stable characteristics of…

Social and Information Networks · Computer Science 2023-08-17 Kaike Zhang , Qi Cao , Gaolin Fang , Bingbing Xu , Hongjian Zou , Huawei Shen , Xueqi Cheng

Analyzing temporal developments is crucial for the accurate prognosis of many medical conditions. Temporal changes that occur over short time scales are key to assessing the health of physiological functions, such as the cardiac cycle.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Chengzhi Shen , Martin J. Menten , Hrvoje Bogunović , Ursula Schmidt-Erfurth , Hendrik Scholl , Sobha Sivaprasad , Andrew Lotery , Daniel Rueckert , Paul Hager , Robbie Holland

Cardiac arrhythmia is a prevalent and significant cause of morbidity and mortality among cardiac ailments. Early diagnosis is crucial in providing intervention for patients suffering from cardiac arrhythmia. Traditionally, diagnosis is…

Signal Processing · Electrical Eng. & Systems 2020-04-14 Sricharan Vijayarangan , Balamurali Murugesan , Vignesh R , Preejith SP , Jayaraj Joseph , Mohansankar Sivaprakasam

Electrocardiograms (ECGs) are among the most widely available clinical signals and play a central role in cardiovascular diagnosis. While recent foundation models (FMs) have shown promise for learning transferable ECG representations, most…

With the widespread adoption of millimeter-wave (mmWave) massive multi-input-multi-output (MIMO) in vehicular networks, accurate beam prediction and alignment have become critical for high-speed data transmission and reliable access. While…

Information Theory · Computer Science 2026-03-27 Chenyiming Wen , Binpu Shi , Min Li , Ming-Min Zhao , Min-Jian Zhao , Jiangzhou Wang

Due to the abundant neurophysiological information in the electroencephalogram (EEG) signal, EEG signals integrated with deep learning methods have gained substantial traction across numerous real-world tasks. However, the development of…

Signal Processing · Electrical Eng. & Systems 2023-10-09 Weining Weng , Yang Gu , Qihui Zhang , Yingying Huang , Chunyan Miao , Yiqiang Chen

The integration of multimodal Electronic Health Records (EHR) data has significantly advanced clinical predictive capabilities. Existing models, which utilize clinical notes and multivariate time-series EHR data, often fall short of…

Computation and Language · Computer Science 2025-02-27 Yinghao Zhu , Changyu Ren , Zixiang Wang , Xiaochen Zheng , Shiyun Xie , Junlan Feng , Xi Zhu , Zhoujun Li , Liantao Ma , Chengwei Pan

Electroencephalography (EEG) foundation models have shown promise for learning generalizable representations, yet they remain sensitive to channel heterogeneity, such as changes in channel composition or ordering. We propose channel-aware…

Machine Learning · Computer Science 2026-03-17 Hanseul Choi , Jinyeong Park , Seongwon Jin , Sungho Park , Jibum Kim

Diffusion tensor based cardiovascular magnetic resonance (DT-CMR) offers a non-invasive method to visualize the myocardial microstructure. With the assumption that the heart is stationary, frames are acquired with multiple repetitions for…

Understanding the semantic shifts of multimodal information is only possible with models that capture cross-modal interactions over time. Under this paradigm, a new embedding is needed that structures visual-textual interactions according…

Multimedia · Computer Science 2019-10-01 David Semedo , João Magalhães

Electrocardiogram (ECG) acquisition requires an automated system and analysis pipeline for understanding specific rhythm irregularities. Deep neural networks have become a popular technique for tracing ECG signals, outperforming human…

Multimodal large language models (MLLMs) are increasingly being applied in the medical field, particularly in medical imaging. However, developing MLLMs for ECG signals, which are crucial in clinical settings, has been a significant…

Computation and Language · Computer Science 2024-11-25 Haitao Li , Ziyu Li , Yiheng Mao , Ziyi Liu , Zhoujian Sun , Zhengxing Huang

Brain-Computer Interfaces (BCIs) based on Motor Execution (ME) and Motor Imagery (MI) electroencephalogram (EEG) signals offer a direct pathway for human-machine interaction. However, developing robust decoding models remains challenging…

Signal Processing · Electrical Eng. & Systems 2025-12-02 Yiqiao Chen , Zijian Huang , Juchi He , Fazheng Xu , Zhenghui Feng

Electroencephalography (EEG) is a non-invasive technique widely used in brain-computer interfaces and clinical applications, yet existing EEG foundation models face limitations in modeling spatio-temporal brain dynamics and lack channel…

Signal Processing · Electrical Eng. & Systems 2025-07-22 Danny Dongyeop Han , Ahhyun Lucy Lee , Taeyang Lee , Yonghyeon Gwon , Sebin Lee , Seongjin Lee , David Keetae Park , Shinjae Yoo , Jiook Cha , Chun Kee Chung
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