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Related papers: ECG-MoE: Mixture-of-Expert Electrocardiogram Found…

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Healthcare systems generate diverse multimodal data, including Electronic Health Records (EHR), clinical notes, and medical images. Effectively leveraging this data for clinical prediction is challenging, particularly as real-world samples…

Machine Learning · Computer Science 2025-09-01 Xiaoyang Wang , Christopher C. Yang

We introduce a Mixture of Raytraced Experts, a stacked Mixture of Experts (MoE) architecture which can dynamically select sequences of experts, producing computational graphs of variable width and depth. Existing MoE architectures generally…

Machine Learning · Computer Science 2025-07-17 Andrea Perin , Giacomo Lagomarsini , Claudio Gallicchio , Giuseppe Nuti

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

Multiband astronomical time series exhibit heterogeneous variability patterns, sampling cadences, and signal characteristics across bands. Standard transformers apply shared parameters to all bands, potentially limiting their ability to…

Instrumentation and Methods for Astrophysics · Physics 2025-07-18 Martina Cádiz-Leyton , Guillermo Cabrera-Vives , Pavlos Protopapas , Daniel Moreno-Cartagena , Ignacio Becker

Electrocardiogram (ECG) is the primary non-invasive diagnostic tool for monitoring cardiac conditions and is crucial in assisting clinicians. Recent studies have concentrated on classifying cardiac conditions using ECG data but have…

Computation and Language · Computer Science 2025-07-09 Zhongwei Wan , Che Liu , Xin Wang , Chaofan Tao , Hui Shen , Jing Xiong , Rossella Arcucci , Huaxiu Yao , Mi Zhang

Artificial intelligence (AI) has demonstrated significant potential in ECG analysis and cardiovascular disease assessment. Recently, foundation models have played a remarkable role in advancing medical AI. The development of an ECG…

Machine Learning · Computer Science 2025-08-05 Jun Li , Aaron Aguirre , Junior Moura , Che Liu , Lanhai Zhong , Chenxi Sun , Gari Clifford , Brandon Westover , Shenda Hong

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

Electrocardiogram (ECG) can be reliably used as a measure to monitor the functionality of the cardiovascular system. Recently, there has been a great attention towards accurate categorization of heartbeats. While there are many…

Computers and Society · Computer Science 2018-11-06 Mohammad Kachuee , Shayan Fazeli , Majid Sarrafzadeh

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

Recent advancements in early assessment of pulmonary hypertension (PH) primarily focus on applying machine learning methods to centralized diagnostic modalities, such as 12-lead electrocardiogram (12L-ECG). Despite their potential, these…

Signal Processing · Electrical Eng. & Systems 2025-09-09 Mohammod N. I. Suvon , Shuo Zhou , Prasun C. Tripathi , Wenrui Fan , Samer Alabed , Bishesh Khanal , Venet Osmani , Andrew J. Swift , Chen , Chen , Haiping Lu

High-fidelity ECG interpretation is increasingly reliant on massive foundation models, yet their deployment in clinical edge-care remains hindered by extreme computational demands. While knowledge distillation (KD) is a promising solution,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Dang Hong Nguyen , Nhi Ngoc-Yen Nguyen , Huy-Hieu Pham

Electroencephalography (EEG) analysis stands at the forefront of neuroscience and artificial intelligence research, where foundation models are reshaping the traditional EEG analysis paradigm by leveraging their powerful representational…

Human-Computer Interaction · Computer Science 2025-08-25 Hongqi Li , Yitong Chen , Yujuan Wang , Weihang Ni , Haodong Zhang

Cardiac magnetic resonance imaging (CMR) offers detailed evaluation of cardiac structure and function, but its limited accessibility restricts use to selected patient populations. In contrast, the electrocardiogram (ECG) is ubiquitous and…

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

Sudden cardiac death and arrhythmia account for a large percentage of all deaths worldwide. Electrocardiography (ECG) is the most widely used screening tool for cardiovascular diseases. Traditionally, ECG signals are classified manually,…

Signal Processing · Electrical Eng. & Systems 2022-06-16 Li Xiaolin , Fang Xiang , Rajesh C. Panicker , Barry Cardiff , Deepu John

In this paper, we present a novel Image Fusion Model (IFM) for ECG heart-beat classification to overcome the weaknesses of existing machine learning techniques that rely either on manual feature extraction or direct utilization of 1D raw…

Signal Processing · Electrical Eng. & Systems 2021-05-31 Zeeshan Ahmad , Anika Tabassum , Naimul Khan , Ling Guan

Mixture-of-Experts (MoE) models increase representational capacity with modest computational cost, but their effectiveness in specialized domains such as medicine is limited by small datasets. In contrast, clinical practice offers rich…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Jinchen Gu , Nan Zhao , Lei Qiu , Lu Zhang

Simultaneous electrocardiography (ECG) and phonocardiogram (PCG) provide a comprehensive, multimodal perspective on cardiac function by capturing the heart's electrical and mechanical activities, respectively. However, the distinct and…

Machine Learning · Computer Science 2025-06-13 Sajjad Karimi , Amit J. Shah , Gari D. Clifford , Reza Sameni

The electrocardiogram (ECG) is an essential and effective tool for diagnosing heart diseases. However, its effectiveness can be compromised by noise or unavailability of one or more leads of the standard 12-lead recordings, resulting in…

Machine Learning · Computer Science 2025-10-07 Huynh Dang Nguyen , Trong-Thang Pham , Ngan Le , Van Nguyen

Heartbeat classification using electrocardiogram (ECG) data is a vital assistive technology for wearable health solutions. We propose heartbeat feature classification based on a novel sparse representation using time-frequency joint…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Anup Das , Francky Catthoor , Siebren Schaafsma