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The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiovascular assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

机器学习 · 计算机科学 2024-10-31 Christopher J. Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

The electrocardiogram (ECG) is an inexpensive and widely available tool for cardiac assessment. Despite its standardized format and small file size, the high complexity and inter-individual variability of ECG signals (typically a…

机器学习 · 计算机科学 2025-08-04 Christopher Harvey , Sumaiya Shomaji , Zijun Yao , Amit Noheria

Deep fully convolutional neural network (FCN) based architectures have shown great potential in medical image segmentation. However, such architectures usually have millions of parameters and inadequate number of training samples leading to…

计算机视觉与模式识别 · 计算机科学 2018-01-17 Mahendra Khened , Varghese Alex Kollerathu , Ganapathy Krishnamurthi

Accurate cardiac output (CO) estimation from photoplethysmography (PPG) is promising for unobtrusive hemodynamic monitoring, but remains difficult since CO is jointly determined by cardiac function and vascular tone. Conventional…

医学物理 · 物理学 2026-05-20 Yaowen Zhang , Bo Cui , Libera Fresiello , Peter H. Veltink , Dirk W. Donker , Ying Wang

Learning spatial-temporal correspondences in cardiac motion from images is important for understanding the underlying dynamics of cardiac anatomical structures. Many methods explicitly impose smoothness constraints such as the…

图像与视频处理 · 电气工程与系统科学 2022-09-05 Xiaoran Zhang , Chenyu You , Shawn Ahn , Juntang Zhuang , Lawrence Staib , James Duncan

Conventional multi-lead electrocardiogram (ECG) systems capture cardiac signals from a fixed set of anatomical viewpoints defined by lead placement. However, certain cardiac conditions (e.g., Brugada syndrome) require additional,…

信号处理 · 电气工程与系统科学 2025-11-07 Zehui Zhan , Yaojun Hu , Jiajing Zhan , Wanchen Lian , Wanqing Wu , Jintai Chen

Since the emergence of convolutional neural networks (CNNs) and, later, vision transformers (ViTs), deep learning architectures have predominantly relied on identical block types with varying hyperparameters. We propose a novel block…

Quantum circuit design is a key bottleneck for practical quantum machine learning on complex, real-world data. We present an automated framework that discovers and refines variational quantum circuits (VQCs) using graph-based Bayesian…

量子物理 · 物理学 2025-12-11 Prashant Kumar Choudhary , Nouhaila Innan , Muhammad Shafique , Rajeev Singh

Numerical simulation of multi-phase fluid dynamics in porous media is critical to a variety of geoscience applications. Data-driven surrogate models using Convolutional Neural Networks (CNNs) have shown promise but are constrained to…

计算物理 · 物理学 2024-12-18 Jiamin Jiang , Jingrun Chen , Zhouwang Yang

An electrocardiogram (ECG) captures the heart's electrical signal to assess various heart conditions. In practice, ECG data is stored as either digitized signals or printed images. Despite the emergence of numerous deep learning models for…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Ju-Hyeon Nam , Seo-Hyung Park , Su Jung Kim , Sang-Chul Lee

Accurate prediction of structural displacements under external loading is fundamental to structural health monitoring and seismic safety assessment. Although the finite element method (FEM) remains the prevailing approach because of its…

机器学习 · 计算机科学 2026-05-12 Hung-Fu Chang , Tzu-Kang Lin , Yung-Li Cheng

Cardiac resynchronization therapy (CRT) is a common intervention for patients with dyssynchronous heart failure, yet approximately one-third of recipients fail to respond, partly due to suboptimal lead placement. Identifying optimal pacing…

计算工程、金融与科学 · 计算机科学 2026-02-13 Ehsan Naghavi , Haifeng Wang , Vahid Ziaei Rad , Julius Guccione , Ghassan Kassab , Vishnu Boddeti , Seungik Baek , Lik-Chuan Lee

Event cameras offer promising properties, such as high temporal resolution and high dynamic range. These benefits have been utilized into many machine vision tasks, especially optical flow estimation. Currently, most existing event-based…

计算机视觉与模式识别 · 计算机科学 2023-05-16 Hao Zhuang , Xinjie Huang , Kuanxu Hou , Delei Kong , Chenming Hu , Zheng Fang

Accurate calibration of finite element (FE) models is essential across various biomechanical applications, including human intervertebral discs (IVDs), to ensure their reliability and use in diagnosing and planning treatments. However,…

Unsupervised graph-level representation learning plays a crucial role in a variety of tasks such as molecular property prediction and community analysis, especially when data annotation is expensive. Currently, most of the best-performing…

机器学习 · 计算机科学 2022-02-09 Thilini Cooray , Ngai-Man Cheung

The simulation of complex physical systems using a discretized mesh is a cornerstone of applied mechanics, but traditional numerical solvers are often computationally prohibitive for many-query tasks. While Graph Neural Networks (GNNs) have…

机器学习 · 计算机科学 2025-09-24 Kangzheng Liu , Leixin Ma

Objective: To develop and interpret a supervised variational autoencoder (VAE) model for classifying cardiotocography (CTG) signals based on pregnancy outcomes, addressing interpretability limits of current deep learning approaches.…

机器学习 · 计算机科学 2025-09-09 John Tolladay , Beth Albert , Gabriel Davis Jones

Coronary artery disease, caused by the narrowing of coronary vessels due to atherosclerosis, is the leading cause of death worldwide. The diagnostic gold standard, fractional flow reserve (FFR), measures the trans-stenotic pressure ratio…

In this work, we propose a Variational Autoencoder (VAE) - Generative Adversarial Networks (GAN) model that can produce highly realistic MRI together with its pixel accurate groundtruth for the application of cine-MR image cardiac…

图像与视频处理 · 电气工程与系统科学 2020-05-25 Youssef Skandarani , Nathan Painchaud , Pierre-Marc Jodoin , Alain Lalande

The precise fusion of computational fluid dynamic (CFD) data, wind tunnel tests data, and flight tests data in aerodynamic area is essential for obtaining comprehensive knowledge of both localized flow structures and global aerodynamic…

机器学习 · 计算机科学 2026-04-01 Qinye Zhu , Yu Xiang , Jun Zhang , Wenyong Wang