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Objective. A phased or a curvilinear array produces ultrasound (US) images with a sector field of view (FOV), which inherently exhibits spatially-varying image resolution with inferior quality in the far zone and towards the two sides…

图像与视频处理 · 电气工程与系统科学 2023-09-06 Xiaofei Sun , He Li , Wei-Ning Lee

In this paper, we propose an effective electrocardiogram (ECG) arrhythmia classification method using a deep two-dimensional convolutional neural network (CNN) which recently shows outstanding performance in the field of pattern…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Tae Joon Jun , Hoang Minh Nguyen , Daeyoun Kang , Dohyeun Kim , Daeyoung Kim , Young-Hak Kim

Electrocardiogram (ECG) biometrics have emerged as a promising modality for continuous, liveness-aware authentication in wearable systems. However, many prior studies report overly optimistic results due to data leakage (e.g., random splits…

机器学习 · 计算机科学 2026-05-05 Milad Parvan

Electrocardiogram (ECG), a non-invasive and affordable tool for cardiac monitoring, is highly sensitive in detecting acute heart attacks. However, due to the lengthy nature of ECG recordings, numerous machine learning methods have been…

信号处理 · 电气工程与系统科学 2025-03-04 Yue Wang , Xu Cao , Yaojun Hu , Haochao Ying , Hongxia Xu , Ruijia Wu , James Matthew Rehg , Jimeng Sun , Jian Wu , Jintai Chen

Imbalanced electrocardiogram (ECG) data hampers the efficacy and resilience of algorithms in the automated processing and interpretation of cardiovascular diagnostic information, which in turn impedes deep learning-based ECG classification.…

机器学习 · 计算机科学 2026-01-15 Haijian Shao , Wei Liu , Xing Deng , Daze Lu

Modern wearable devices are embedded with a range of noninvasive biomarker sensors that hold promise for improving detection and treatment of disease. One such sensor is the single-lead electrocardiogram (ECG) which measures electrical…

机器学习 · 统计学 2020-12-02 Jeffrey Chan , Andrew C. Miller , Emily B. Fox

Twelve-lead electrocardiography (ECG) is essential for cardiovascular diagnosis, but its long-term acquisition in daily life is constrained by complex and costly hardware. Recent efforts have explored reconstructing ECG from low-cost…

机器学习 · 计算机科学 2026-03-17 Guorui Lu , Xiaohui Cai , Todor Stefanov , Qinyu Chen

A generative adversarial network (GAN) based fully automatic electrocardiogram (ECG) arrhythmia classification system with high performance is presented in this paper. The generator (G) in our GAN is designed to generate various coupling…

机器学习 · 计算机科学 2021-03-16 Zhanhong Zhou , Xiaolong Zhai , Chung Tin

Rare cardiac anomalies are difficult to detect from electrocardiograms (ECGs) due to their long-tailed distribution with extremely limited case counts and demographic disparities in diagnostic performance. These limitations contribute to…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Chaoqin Huang , Zi Zeng , Aofan Jiang , Yuchen Xu , Qing Cao , Kang Chen , Chenfei Chi , Yanfeng Wang , Ya Zhang

Recent unified models such as GPT-5 have achieved encouraging progress on vision-language tasks. However, these unified models typically fail to correctly understand ECG signals and provide accurate medical diagnoses, nor can they correctly…

计算与语言 · 计算机科学 2025-09-24 Jiarui Jin , Haoyu Wang , Xiang Lan , Jun Li , Gaofeng Cheng , Hongyan Li , Shenda Hong

Cardiac digital twins (CDTs) are personalized virtual representations used to understand complex cardiac mechanisms. A critical component of CDT development is solving the ECG inverse problem, which enables the reconstruction of cardiac…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Lei Li , Julia Camps , Blanca Rodriguez , Vicente Grau

Analyzing the cardiovascular system condition via Electrocardiography (ECG) is a common and highly effective approach, and it has been practiced and perfected over many decades. ECG sensing is non-invasive and relatively easy to acquire,…

In this paper we demonstrate that it is possible to generate more meaningful electroencephalography (EEG) features from raw EEG features using generative adversarial networks (GAN) to improve the performance of EEG based continuous speech…

音频与语音处理 · 电气工程与系统科学 2020-06-03 Gautam Krishna , Co Tran , Mason Carnahan , Ahmed Tewfik

ECG heartbeat classification plays a vital role in diagnosis of cardiac arrhythmia. The goal of the Physionet/CinC 2021 challenge was to accurately classify clinical diagnosis based on 12, 6, 4, 3 or 2-lead ECG recordings in order to aid…

The electrocardiogram (ECG) records electrical signals in a non-invasive way to observe the condition of the heart, typically looking at the heart from 12 different directions. Several types of the cardiac disease are diagnosed by using…

信号处理 · 电气工程与系统科学 2024-10-16 Yong-Yeon Jo , Young Sang Choi , Jong-Hwan Jang , Joon-Myoung Kwon

Studies recently accomplished on the Enteric Nervous System have shown that chronic degenerative diseases affect the Enteric Glial Cells (EGC) and, thus, the development of recognition methods able to identify whether or not the EGC are…

Deep neural network (DNN) models have shown remarkable success in many real-world scenarios, such as object detection and classification. Unfortunately, these models are not yet widely adopted in health monitoring due to exceptionally high…

机器学习 · 计算机科学 2025-03-14 Johnson Loh , Lyubov Dudchenko , Justus Viga , Tobias Gemmeke

Twelve-lead electrocardiograms (ECGs) are the clinical gold standard for cardiac diagnosis, providing comprehensive spatial coverage of the heart necessary to detect conditions such as myocardial infarction (MI). However, their lack of…

机器学习 · 计算机科学 2025-10-14 Xinyan Guan , Yongfan Lai , Jiarui Jin , Jun Li , Haoyu Wang , Qinghao Zhao , Deyun Zhang , Shijia Geng , Shenda Hong

In image classification of deep learning, adversarial examples where inputs intended to add small magnitude perturbations may mislead deep neural networks (DNNs) to incorrect results, which means DNNs are vulnerable to them. Different…

计算机视觉与模式识别 · 计算机科学 2019-04-15 Lingyun Jiang , Kai Qiao , Ruoxi Qin , Linyuan Wang , Jian Chen , Haibing Bu , Bin Yan

In this study, a new Anomaly Detection (AD) approach for industrial and medical images is proposed. This method leverages the theoretical strengths of unsupervised learning and the data availability of both normal and abnormal classes.…

计算机视觉与模式识别 · 计算机科学 2024-01-24 Arnaud Bougaham , Valentin Delchevalerie , Mohammed El Adoui , Benoît Frénay