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Accurate segmentation of myocardial scar from late gadolinium enhanced (LGE) cardiac MRI is essential for evaluating tissue viability, yet remains challenging due to variable contrast and imaging artifacts. Electrocardiogram (ECG) signals…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Farheen Ramzan , Yusuf Kiberu , Nikesh Jathanna , Meryem Jabrane , Vicente Grau , Shahnaz Jamil-Copley , Richard H. Clayton , Chen , Chen

In this article, we present a resource-efficient approach for electrocardiogram (ECG) based heartbeat classification using multi-feature fusion and bidirectional long short-term memory (Bi-LSTM). The dataset comprises five original classes…

Machine Learning · Computer Science 2024-12-16 Reza Nikandish , Jiayu He , Benyamin Haghi

We develop a new methodology for determining the location and dynamics of brain activity from combined magnetoencephalography (MEG) and electroencephalography (EEG) data. The resulting inverse problem is ill-posed and is one of the most…

Applications · Statistics 2019-07-23 Yin Song , Farouk S. Nathoo , Arif Babul

Electrocardiogram (ECG)-based models have achieved strong performance in diagnostic tasks, yet they remain limited in modeling how cardiac dynamics evolve under external interventions. In particular, existing approaches focus primarily on…

Artificial Intelligence · Computer Science 2026-05-19 Zhikang Chen , Yue Wang , Sen Cui , Yu Zhang , Changshui Zhang , Tianling Ren , Tingting Zhu

This paper introduces a framework for how to appropriately adopt and adjust Machine Learning (ML) techniques used to construct Electrocardiogram (ECG) based biometric authentication schemes. The proposed framework can help investigators and…

Cryptography and Security · Computer Science 2019-08-06 Song-Kyoo Kim , Chan Yeob Yeun , Ernesto Damiani , Nai-Wei Lo

The coupling signal refers to a latent physiological signal that characterizes the transformation from cardiac electrical excitation, captured by the electrocardiogram (ECG), to mechanical contraction, recorded by the phonocardiogram (PCG).…

Signal Processing · Electrical Eng. & Systems 2025-11-05 Peihong Zhang , Zhixin Li , Rui Sang , Yuxuan Liu , Yiqiang Cai , Yizhou Tan , Shengchen Li

Using deep learning methods to classify EEG signals can accurately identify people's emotions. However, existing studies have rarely considered the application of the information in another domain's representations to feature selection in…

Signal Processing · Electrical Eng. & Systems 2023-03-22 Kexin Zhu , Xulong Zhang , Jianzong Wang , Ning Cheng , Jing Xiao

The processing of ECG signal provides a wealth of information on cardiac function and overall cardiovascular health. While multi-lead ECG recordings are often necessary for a proper assessment of cardiac rhythms, they are not always…

Applications · Statistics 2016-11-23 Christophe L. Herry , Martin Frasch , Andrew JE Seely , Hau-tieng Wu

Multiscale entropy (MSE) is a widely-used tool to analyze biomedical signals. It was proposed to overcome the deficiencies of conventional entropy methods when quantifying the complexity of time series. However, MSE is undefined for very…

Information Theory · Computer Science 2017-05-04 Hamed Azami , Mostafa Rostaghi , Daniel Abasolo , Javier Escudero

Decoding neurophysiological signals into language is of great research interest within brain-computer interface (BCI) applications. Electroencephalography (EEG), known for its non-invasiveness, ease of use, and cost-effectiveness, has been…

Quantitative Methods · Quantitative Biology 2024-09-26 Yitian Tao , Yan Liang , Luoyu Wang , Yongqing Li , Qing Yang , Han Zhang

Electroencephalography (EEG) and Magnetoencephalography (MEG) are pivotal in understanding brain activity but are limited by their poor spatial resolution. EEG/MEG source imaging (ESI) infers the high-resolution electric field distribution…

Signal Processing · Electrical Eng. & Systems 2024-02-01 Song Wang , Chen Wei , Kexin Lou , Dongfeng Gu , Quanying Liu

Electrocardiogram (ECG) signals, profiling the electrical activities of the heart, are used for a plethora of diagnostic applications. However, ECG systems require multiple leads or channels of signals to capture the complete view of the…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Nabil Ibtehaz , Masood Mortazavi

Cardiologists use electrocardiograms (ECG) for the detection of arrhythmias. However, continuous monitoring of ECG signals to detect cardiac abnormal-ities requires significant time and human resources. As a result, several deep learning…

Signal Processing · Electrical Eng. & Systems 2024-04-25 JuneYoung Park , Da Young Kim , Yunsoo Kim , Jisu Yoo , Tae Joon Kim

Matched filters are widely used to localise signal patterns due to their high efficiency and interpretability. However, their effectiveness deteriorates for low signal-to-noise ratio (SNR) signals, such as those recorded on edge devices,…

Signal Processing · Electrical Eng. & Systems 2025-09-01 Haozhe Tian , Qiyu Rao , Nina Moutonnet , Pietro Ferraro , Danilo Mandic

Heart disease is one of the most common diseases causing morbidity and mortality. Electrocardiogram (ECG) has been widely used for diagnosing heart diseases for its simplicity and non-invasive property. Automatic ECG analyzing technologies…

Machine Learning · Computer Science 2019-08-28 Yang Liu , Runnan He , Kuanquan Wang , Qince Li , Qiang Sun , Na Zhao , Henggui Zhang

A precise analytical treatment for predicting the behavior of nano-sized magneto-electro-elastic (MEE) antennas and resonators under incident acoustic waves requires consideration of multiphysics surface/interface effects, including…

Materials Science · Physics 2025-04-15 Mohsen Farsiani , Hossein M. Shodja

Electrocardiography (ECG) is the clinical gold standard for cardiovascular disease (CVD) assessment, yet continuous monitoring is constrained by the need for dedicated hardware and trained personnel. Photoplethysmography (PPG) is ubiquitous…

Machine Learning · Computer Science 2026-01-22 Xiaocheng Fang , Jiarui Jin , Haoyu Wang , Che Liu , Jieyi Cai , Yujie Xiao , Guangkun Nie , Bo Liu , Shun Huang , Hongyan Li , Shenda Hong

The variability in ECG readings influenced by individual patient characteristics has posed a considerable challenge to adopting automated ECG analysis in clinical settings. A novel feature fusion technique termed SACC (Self Attentive…

Signal Processing · Electrical Eng. & Systems 2025-02-25 Shreya Srivastava , Durgesh Kumar , Ram Jiwari , Sandeep Seth , Deepak Sharma

In the field of cardiac electrophysiology (EP), effectively reducing noise in intra-cardiac signals is crucial for the accurate diagnosis and treatment of arrhythmias and cardiomyopathies. However, traditional noise reduction techniques…

In real-world clinical practice, electrocardiograms (ECGs) are often captured and shared as photographs. However, publicly available ECG data, and thus most related research, relies on digital signals. This has led to a disconnect in which…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Xiaoyu Wang , Ramesh Nadarajah , Zhiqiang Zhang , David Wong