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Perfusion MRI is an important modality in many brain imaging protocols, since it probes cerebrovascular changes in aging and many diseases; however, it may not be always available. Here we introduce a method that seeks to estimate regional…

图像与视频处理 · 电气工程与系统科学 2019-11-20 Ganesh B Chand , Mohamad Habes , Sudipto Dolui , John A Detre , David A Wolk , Christos Davatzikos

Recent works for time-series forecasting more and more leverage the high predictive power of Deep Learning models. With this increase in model complexity, however, comes a lack in understanding of the underlying model decision process,…

机器学习 · 计算机科学 2025-01-17 Matthias Jakobs , Thomas Liebig

Acute myocardial infarction (AMI) is one of the most severe manifestation of coronary artery disease. ST-segment elevation myocardial infarction (STEMI) is the most serious type of AMI. We proposed to develop a machine learning algorithm…

定量方法 · 定量生物学 2022-11-29 Ding Tao , Chen Liu , Shihan Wan

In primary diagnosis and analysis of heart defects, an ECG signal plays a significant role. This paper presents a model for the prediction of ventricular tachycardia arrhythmia using noise filtering, a unique set of ECG features, and a…

信号处理 · 电气工程与系统科学 2021-12-28 Pampa Howladar , Manodipan Sahoo

Acute brain dysfunctions (ABD), which include coma and delirium, are prevalent in the ICU, especially among older patients. The current approach in manual assessment of ABD by care providers may be sporadic and subjective. Hence, there…

Objective: This work aims at providing a new method for the automatic detection of atrial fibrillation, other arrhythmia and noise on short single lead ECG signals, emphasizing the importance of the interpretability of the classification…

人工智能 · 计算机科学 2021-12-09 Tomás Teijeiro , Constantino A. García , Daniel Castro , Paulo Félix

Mapping resolution has recently been identified as a key limitation in successfully locating the drivers of atrial fibrillation. Using a simple cellular automata model of atrial fibrillation, we demonstrate a method by which re-entrant…

组织与器官 · 定量生物学 2020-01-27 Max Falkenberg McGillivray , William Cheng , Nicholas S. Peters , Kim Christensen

Coronary artery disease (CAD) is one of the most common causes of death in the European Union and the USA. The crucial biomarker in its diagnosis is called Fractional Flow Reserve (FFR) and its in-vivo measurement is obtained via an…

图像与视频处理 · 电气工程与系统科学 2024-05-22 Patryk Rygiel

Respiration rate (RR) is an important vital sign for clinical monitoring of hospitalized patients, with changes in RR being strongly tied to changes in clinical status leading to adverse events. Human labels for RR, based on counting…

信号处理 · 电气工程与系统科学 2025-08-25 Thomas Kite , Brian Ayers , Nicholas Houstis , Asishana A. Osho , Thoralf M. Sundt , Aaron D Aguirre

Background: Invasive coronary arteriography (ICA) is recognized as the gold standard for diagnosing cardiovascular diseases, including unstable angina (UA). The challenge lies in determining the optimal timing for ICA in UA patients,…

机器学习 · 计算机科学 2024-08-09 Candi Zheng , Kun Liu , Yang Wang , Shiyi Chen , Hongli Li

Arrhythmias are irregularities in the hearts electrical system which cause rapid and irregular heartbeats. These heart conditions affect over 33 million people globally and significantly increase the risk of severe complications, including…

信号处理 · 电气工程与系统科学 2024-10-29 Praveen Kumar Pandian Shanmuganathan , Vatsal Sivaratri

Malignant ventricular arrhythmias (VT/VF) following acute myocardial infarction (AMI) are a major cause of in-hospital death, yet early identification remains a clinical challenge. While traditional risk scores have limited performance,…

人工智能 · 计算机科学 2025-10-21 Shun Huang , Wenlu Xing , Shijia Geng , Hailong Wang , Guangkun Nie , Gongzheng Tang , Chenyang He , Shenda Hong

Cardiovascular disease (CVD) is a leading cause of death globally, necessitating precise forecasting models for monitoring vital signs like heart rate, blood pressure, and ECG. Traditional models, such as ARIMA and Prophet, are limited by…

机器学习 · 计算机科学 2024-11-13 Haowei Ni , Shuchen Meng , Xieming Geng , Panfeng Li , Zhuoying Li , Xupeng Chen , Xiaotong Wang , Shiyao Zhang

Catheter ablation (CA) remains the cornerstone alternative to cardioversion for sinus rhythm (SR) restoration in patients with atrial fibrillation (AF). Unfortunately, despite the last methodological and technological advances, this…

In our research, we attempt to help people recognize their brain state of concentration or relaxation more conveniently and in real time. Considering the inconvenience of wearing traditional multiple electrode electroencephalographs, we…

人机交互 · 计算机科学 2015-09-28 Zhen Li , Jianjun Xu , Tingshao Zhu

Myocardial infarction (MI) is a leading cause of death, and its adverse outcomes are urgent to predict. Yet ECG-based prognostic models underperform because deep learning requires large, labelled datasets, which are scarce in medicine.…

Federated Learning (FL) coordinates with numerous heterogeneous devices to collaboratively train a shared model while preserving user privacy. Despite its multiple advantages, FL faces new challenges. One challenge arises when devices drop…

机器学习 · 计算机科学 2021-06-09 Xinran Gu , Kaixuan Huang , Jingzhao Zhang , Longbo Huang

Anticipation of accidents ahead of time in autonomous and non-autonomous vehicles aids in accident avoidance. In order to recognize abnormal events such as traffic accidents in a video sequence, it is important that the network takes into…

计算机视觉与模式识别 · 计算机科学 2020-06-17 Mishal Fatima , Muhammad Umar Karim Khan , Chong Min Kyung

Alzheimer's disease (AD) is a neurodegenerative disorder marked by memory loss and cognitive decline, making early detection vital for timely intervention. However, early diagnosis is challenging due to the heterogeneous presentation of…

神经元与认知 · 定量生物学 2025-09-24 Ali Khazaee , Abdolreza Mohammadi , Ruairi O'Reilly

Stroke affected millions annually, yet poor symptom recognition often delayed care-seeking. To address risk recognition gap, we developed a passive surveillance system for early stroke risk detection using patient-reported symptoms among…

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