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Cardiac arrhythmias are a leading cause of life-threatening cardiac events, highlighting the urgent need for accurate and timely detection. Electrocardiography (ECG) remains the clinical gold standard for arrhythmia diagnosis; however,…

机器学习 · 计算机科学 2025-05-09 Zuraiz Baig , Sidra Nasir , Rizwan Ahmed Khan , Muhammad Zeeshan Ul Haque

Electrocardiogram (ECG) signal exhibits inherent uniqueness, making it a promising biometric modality for identity authentication. As a result, ECG authentication has gained increasing attention in recent years. However, most existing…

密码学与安全 · 计算机科学 2025-04-29 Mingyu Dong , Zhidong Zhao , Hao Wang , Yefei Zhang , Yanjun Deng

In this paper we present the results of the Unconstrained Ear Recognition Challenge (UERC), a group benchmarking effort centered around the problem of person recognition from ear images captured in uncontrolled conditions. The goal of the…

Auxiliary diagnosis of cardiac electrophysiological status can be obtained through the analysis of 12-lead electrocardiograms (ECGs). This work proposes a dual-scale lead-separated transformer with lead-orthogonal attention and…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Yang Li , Guijin Wang , Zhourui Xia , Wenming Yang , Li Sun

Vision Transformers have shown tremendous success in numerous computer vision applications; however, they have not been exploited for stress assessment using physiological signals such as Electrocardiogram (ECG). In order to get the maximum…

信号处理 · 电气工程与系统科学 2026-03-31 Zeeshan Ahmad , Naimul Khan

Clinical time series are often irregularly sampled, with varying sensor frequencies, missing observations, and misaligned timestamps. Prior approaches typically address these irregularities by interpolating data into regular sequences,…

机器学习 · 计算机科学 2025-12-18 Arash Hajisafi , Maria Despoina Siampou , Bita Azarijoo , Zhen Xiong , Cyrus Shahabi

With tens of thousands of electrocardiogram (ECG) records processed by mobile cardiac event recorders every day, heart rhythm classification algorithms are an important tool for the continuous monitoring of patients at risk. We utilise an…

机器学习 · 计算机科学 2020-12-14 Patrick Schwab , Gaetano Scebba , Jia Zhang , Marco Delai , Walter Karlen

Over the course of the past two decades, a substantial body of research has substantiated the viability of utilising cardiac signals as a biometric modality. This paper presents a novel approach for patient identification in healthcare…

机器学习 · 计算机科学 2024-11-27 Caterina Fuster-Barceló , Carmen Cámara , Pedro Peris-López

In this paper, we focus on a new method of data augmentation to solve the data imbalance problem within imbalanced ECG datasets to improve the robustness and accuracy of heart disease detection. By using Optimal Transport, we augment the…

信号处理 · 电气工程与系统科学 2023-02-20 Jielin Qiu , Jiacheng Zhu , Mengdi Xu , Peide Huang , Michael Rosenberg , Douglas Weber , Emerson Liu , Ding Zhao

Cardiac biosignals, such as electrocardiograms (ECG) and photoplethysmograms (PPG), are of paramount importance for the diagnosis, prevention, and management of cardiovascular diseases, and have been extensively used in a variety of…

Full-waveform inversion problems are usually formulated as optimization problems, where the forward-wave propagation operator $f$ maps the subsurface velocity structures to seismic signals. The existing computational methods for solving…

信号处理 · 电气工程与系统科学 2020-01-07 Yue Wu , Youzuo Lin

Low left ventricular ejection fraction (LEF) frequently remains undetected until progression to symptomatic heart failure, underscoring the need for scalable screening strategies. Although artificial intelligence-enabled electrocardiography…

机器学习 · 计算机科学 2026-04-07 Ya Zhou , Tianxiang Hao , Ziyi Cai , Haojie Zhu , Kejun He , Jia Liu , Xiaohan Fan , Jing Yuan

Electrocardiogram (ECG) is the most widely used diagnostic tool to monitor the condition of the cardiovascular system. Deep neural networks (DNNs), have been developed in many research labs for automatic interpretation of ECG signals to…

信号处理 · 电气工程与系统科学 2020-12-02 Linhai Ma , Liang Liang

Heart diseases constitute a global health burden, and the problem is exacerbated by the error-prone nature of listening to and interpreting heart sounds. This motivates the development of automated classification to screen for abnormal…

声音 · 计算机科学 2016-12-07 Yuhao Zhang , Sandeep Ayyar , Long-Huei Chen , Ethan J. Li

We present ASCENDgpt, a transformer-based model specifically designed for cardiovascular risk prediction from longitudinal electronic health records (EHRs). Our approach introduces a novel phenotype-aware tokenization scheme that maps…

计算与语言 · 计算机科学 2025-09-08 Chris Sainsbury , Andreas Karwath

This paper investigates the application of fast-convolution (FC) filtering schemes for flexible and effective waveform generation and processing in the fifth generation (5G) systems. FC-based filtering is presented as a generic multimode…

Despite continued efforts to improve classification accuracy, it has been reported that offline accuracy is a poor indicator of the usability of pattern recognition-based myoelectric control. One potential source of this disparity is the…

信号处理 · 电气工程与系统科学 2024-11-15 Shriram Tallam Puranam Raghu , Dawn T. MacIsaac , Erik J. Scheme

The characterization of heart dynamics with a view to distinguish abnormal from normal behavior is an interesting topic in clinical sciences. Here we present an analysis of the Electro-cardiogram (ECG) signals obtained under controlled…

组织与器官 · 定量生物学 2018-09-05 Snehal M. Shekatkar , Yamini Kotriwar , K. P. Harikrishnan , G. Ambika

In this paper, a wavelet-based neural network (WNN) classifier for recognizing EEG signals is implemented and tested under three sets EEG signals (healthy subjects, patients with epilepsy and patients with epileptic syndrome during the…

神经与进化计算 · 计算机科学 2013-07-31 Ibrahim Omerhodzic , Samir Avdakovic , Amir Nuhanovic , Kemal Dizdarevic

Heart Sound (also known as phonocardiogram (PCG)) analysis is a popular way that detects cardiovascular diseases (CVDs). Most PCG analysis uses supervised way, which demands both normal and abnormal samples. This paper proposes a method of…

声音 · 计算机科学 2021-01-15 Shengchen Li , Ke Tian , Rui Wang