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Cardiac Magnetic Resonance (CMR) imaging is widely used for heart model reconstruction and digital twin computational analysis because of its ability to visualize soft tissues and capture dynamic functions. However, CMR images have an…

The availability of large scale databases containing imaging and non-imaging data, such as the UK Biobank, represents an opportunity to improve our understanding of healthy and diseased bodily function. Cardiac motion atlases provide a…

Computer Vision and Pattern Recognition · Computer Science 2021-06-24 Esther Puyol-Anton , Bram Ruijsink , Helene Langet , Mathieu De Craene , Paolo Piro , Julia A. Schnabel , Andrew P. King

Background: We investigated clinical information underneath the beat-to-beat fluctuation of the arterial blood pressure (ABP) waveform morphology. We proposed the Dynamical Diffusion Map algorithm (DDMap) to quantify the variability of…

Quantitative Methods · Quantitative Biology 2023-07-04 Shen-Chih Wang , Chien-Kun Ting , Cheng-Yen Chen , Chin-Su Liu , Niang-Cheng Lin , Che-Chuan Loon , Hau-Tieng Wu , Yu-Ting Lin

Animals and robots navigate through environments by building and refining maps of space. These maps enable functions including navigation back to home, planning, search and foraging. Here, we use observations from neuroscience, specifically…

Artificial Intelligence · Computer Science 2024-07-09 Jaedong Hwang , Zhang-Wei Hong , Eric Chen , Akhilan Boopathy , Pulkit Agrawal , Ila Fiete

Despite deep convolutional neural networks achieved impressive progress in medical image computing and analysis, its paradigm of supervised learning demands a large number of annotations for training to avoid overfitting and achieving…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 Liyan Sun , Chenxin Li , Xinghao Ding , Yue Huang , Guisheng Wang , Yizhou Yu

The statistical properties of heart beat intervals of 130 long-term surface electrocardiogram recordings during atrial fibrillation (AF) are investigated. We find that the distribution of interbeat intervals exhibits a characteristic…

Other Condensed Matter · Physics 2007-05-23 Thomas Hennig , Philipp Maass , Junichiro Hayano , Stefan Heinrichs

Few-shot medical image segmentation (FSMIS) has achieved notable progress, yet most existing methods mainly rely on semantic correspondences from scarce annotations while under-utilizing a key property of medical imagery: anatomical targets…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Zhihao Mao , Bangpu Chen

We introduce CartiMorph, a framework for automated knee articular cartilage morphometrics. It takes an image as input and generates quantitative metrics for cartilage subregions, including the percentage of full-thickness cartilage loss…

Image and Video Processing · Electrical Eng. & Systems 2023-11-22 Yongcheng Yao , Junru Zhong , Liping Zhang , Sheheryar Khan , Weitian Chen

Atrial Fibrillation (AF) is an abnormal heart rhythm which can trigger cardiac arrest and sudden death. Nevertheless, its interpretation is mostly done by medical experts due to high error rates of computerized interpretation. One study…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Yuxi Zhou , Shenda Hong , Junyuan Shang , Meng Wu , Qingyun Wang , Hongyan Li , Junqing Xie

Background: Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, affecting over 1% of the population. It is usually triggered by irregular electrical impulses that cause the atria to contract irregularly and…

Recent years have seen a surge in research focused on leveraging graph learning techniques to detect neurodegenerative diseases. However, existing graph-based approaches typically lack the ability to localize and extract the specific brain…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Nguyen Linh Dan Le , Jing Ren , Ciyuan Peng , Chengyao Xie , Bowen Li , Feng Xia

Thyrotoxicosis (TT) is associated with an increase in both total and cardiovascu-lar mortality. One of the main thyrotoxicosis risks is Atrial Fibrillation (AF). Right AF predicts help medical personal prescribe the correct medicaments and…

Applications · Statistics 2020-03-02 Ilya V. Derevitskii , Daria A. Savitskaya , Alina Y. Babenko , Sergey V. Kovalchuk

Deep functional map frameworks are widely employed for 3D shape matching. However, most existing deep functional map methods cannot adaptively capture important frequency information for functional map estimation in specific matching…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Feifan Luo , Qinsong Li , Ling Hu , Haibo Wang , Xinru Liu , Shengjun Liu , Hongyang Chen

Accurate and safe catheter ablation procedures for patients with atrial fibrillation require precise segmentation of cardiac structures in Intracardiac Echocardiography (ICE) imaging. Prior studies have suggested methods that employ 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-07-25 Ahmed H. Shahin , Yan Zhuang , Noha El-Zehiry

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

In this article, we propose a novel ECG classification framework for atrial fibrillation (AF) detection using spectro-temporal representation (i.e., time varying spectrum) and deep convolutional networks. In the first step we use a Bayesian…

Signal Processing · Electrical Eng. & Systems 2018-12-14 Zheng Zhao , Simo Särkkä , Ali Bahrami Rad

Existing skeleton-based action recognition methods typically follow a centralized learning paradigm, which can pose privacy concerns when exposing human-related videos. Federated Learning (FL) has attracted much attention due to its…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Jingwen Guo , Hong Liu , Shitong Sun , Tianyu Guo , Min Zhang , Chenyang Si

We develop a deep learning model, ABioSPATH, to predict the one-year risk of ischemic stroke (IS) in atrial fibrillation (AF) patients. The model integrates drug-protein-disease pathways and real-world clinical data of AF patients to…

Quantitative Methods · Quantitative Biology 2024-08-27 Zhiheng Lyu , Jiannan Yang , Zhongzhi Xu , Weilan Wang , Weibin Cheng , Kwok-Leung Tsui , Gary Tse , Qingpeng Zhang

Ambulatory blood pressure monitoring (ABPM) enables continuous measurement of blood pressure and heart rate over 24 hours and is increasingly used in clinical studies. However, ABPM data are often reduced to summary statistics, such as…

Methodology · Statistics 2025-07-17 Leyuan Qian , R. Nisha Aurora , Naresh M. Punjabi , Irina Gaynanova

Background: Automated podocyte foot process quantification is vital for kidney research, but the established "Automatic Morphological Analysis of Podocytes" (AMAP) method is hindered by high computational demands, a lack of a user…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Arash Fatehi , David Unnersjö-Jess , Linus Butt , Noémie Moreau , Thomas Benzing , Katarzyna Bozek