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We propose a method for identifying an ectopic activation in the heart non-invasively. Ectopic activity in the heart can trigger deadly arrhythmias. The localization of the ectopic foci or earliest activation sites (EASs) is therefore a…

信号处理 · 电气工程与系统科学 2022-03-15 Simone Pezzuto , Paris Perdikaris , Francisco Sahli Costabal

In the domain of cardiovascular healthcare, the Electrocardiogram (ECG) serves as a critical, non-invasive diagnostic tool. Although recent strides in self-supervised learning (SSL) have been promising for ECG representation learning, these…

信号处理 · 电气工程与系统科学 2023-09-15 Che Liu , Zhongwei Wan , Sibo Cheng , Mi Zhang , Rossella Arcucci

Machine learning potentials (MLPs) achieve near first-principles accuracy but often fail for atomic environments outside the training distribution. Active learning can mitigate this limitation; however, its application to large-scale…

计算物理 · 物理学 2026-04-16 Junjie Wang , Shuning Pan , Haoting Zhang , Qiuhan Jia , Chi Ding , Zheyong Fan , Jian Sun

Deep Metric Learning (DML) serves to learn an embedding function to project semantically similar data into nearby embedding space and plays a vital role in many applications, such as image retrieval and face recognition. However, the…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Lizhao Liu , Shangxin Huang , Zhuangwei Zhuang , Ran Yang , Mingkui Tan , Yaowei Wang

Electrocardiogram (ECG)-based biometrics offer a promising method for user identification, combining intrinsic liveness detection with morphological uniqueness. However, elevated heart rates introduce significant physiological variability,…

机器学习 · 计算机科学 2025-02-10 Amro Abu Saleh , Elliot Sprecher , Kfir Y. Levy , Daniel H. Lange

Peripheral Arterial Disease (PAD) is a common form of arterial occlusive disease that is challenging to evaluate at the point-of-care. Hand-held dopplers are the most ubiquitous device used to evaluate circulation and allows providers to…

声音 · 计算机科学 2021-06-17 Adrit Rao , Kevin Battenfield , Oliver Aalami

Intracellular recordings of neuronal membrane potential are a central tool in neurophysiology. In many situations, especially in vivo, the traditional limitation of such recordings is the high electrode resistance, which may cause…

神经元与认知 · 定量生物学 2007-11-15 R. Brette , Z. Piwkowska , M. Rudolph-Lilith , T. Bal , A. Destexhe

We review some of the latest approaches to analysing cardiac electrophysiology data using machine learning and predictive modelling. Cardiac arrhythmias, particularly atrial fibrillation, are a major global healthcare challenge. Treatment…

Electroencephalography (EEG) recordings are analyzed using battery-powered wearable devices to monitor brain activities and neurological disorders. These applications require long and continuous processing to generate feasible results.…

信号处理 · 电气工程与系统科学 2024-02-16 Zain Taufique , Muhammad Awais Bin Altaf , Antonio Miele , Pasi Liljeberg , Anil Kanduri

Electroencephalography (EEG) is a complex signal and can require several years of training to be correctly interpreted. Recently, deep learning (DL) has shown great promise in helping make sense of EEG signals due to its capacity to learn…

Supervised deep learning has been widely used in the studies of automatic ECG classification, which largely benefits from sufficient annotation of large datasets. However, most of the existing large ECG datasets are roughly annotated, so…

机器学习 · 计算机科学 2020-12-11 Yang Liu , Kuanquan Wang , Qince Li , Runnan He , Yongfeng Yuan , Henggui Zhang

A key factor for assessing the state of the heart after myocardial infarction (MI) is to measure whether the myocardium segment is viable after reperfusion or revascularization therapy. Delayed enhancement-MRI or DE-MRI, which is performed…

With the mass construction of Gen III nuclear reactors, it is a popular trend to use deep learning (DL) techniques for fast and effective diagnosis of possible accidents. To overcome the common problems of previous work in diagnosing…

信号处理 · 电气工程与系统科学 2022-09-26 Chengyuan Li , Zhifang Qiu , Zhangrui Yan , Meifu Li

Visual short-term memory binding tasks are a promising early marker for Alzheimer's disease (AD). To uncover functional deficits of AD in these tasks it is meaningful to first study unimpaired brain function. Electroencephalogram recordings…

Cell movement in the early phase of C. elegans development is regulated by a highly complex process in which a set of rules and connections are formulated at distinct scales. Previous efforts have shown that agent-based, multi-scale…

定量方法 · 定量生物学 2018-05-11 Zi Wang , Dali Wang , Chengcheng Li , Yichi Xu , Husheng Li , Zhirong Bao

Emotions play a crucial role in human interaction, health care and security investigations and monitoring. Automatic emotion recognition (AER) using electroencephalogram (EEG) signals is an effective method for decoding the real emotions,…

机器学习 · 计算机科学 2019-05-01 Emad-ul-Haq Qazi , Muhammad Hussain , Hatim AboAlsamh , Ihsan Ullah

Emotion Classification through EEG signals has achieved many advancements. However, the problems like lack of data and learning the important features and patterns have always been areas with scope for improvement both computationally and…

机器学习 · 计算机科学 2022-09-07 Jeevanshi Sharma , Rajat Maheshwari , Yusuf Uzzaman Khan

The electrodermal activity (EDA) signal is a sensitive and non-invasive surrogate measure of sympathetic function. Use of EDA has increased in popularity in recent years for such applications as emotion and stress recognition; assessment of…

信号处理 · 电气工程与系统科学 2021-07-19 Md Billal Hossain , Hugo Fernando Posada-Quintero , Youngsun Kong , Riley McNaboe , Ki Chon

This thesis delves into the world of non-invasive electrophysiological brain signals like electroencephalography (EEG) and magnetoencephalography (MEG), focusing on modelling and decoding such data. The research aims to investigate what…

信号处理 · 电气工程与系统科学 2025-10-30 Richard Csaky

Local field potentials (LFPs) sampled with extracellular electrodes are frequently used as a measure of population neuronal activity. However, relating such measurements to underlying neuronal behaviour and connectivity is non-trivial. To…