English
Related papers

Related papers: Wavelet Transform-Based Analysis of QRS complex in…

200 papers

Electrocardiogram (ECG) abnormalities are linked to cardiovascular diseases, but may also occur in other non-cardiovascular conditions such as mental, neurological, metabolic and infectious conditions. However, most of the recent success of…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Weijie Sun , Sunil Vasu Kalmady , Amir Salimi , Nariman Sepehrvand , Eric Ly , Abram Hindle , Russell Greiner , Padma Kaul

Electrocardiogram (ECG) analysis is crucial for diagnosing heart disease, but most self-supervised learning methods treat ECG as a generic time series, overlooking physiologic semantics and rhythm-level structure. Existing contrastive…

Machine Learning · Computer Science 2026-02-27 Xin Wang , Burcu Ozek , Aruna Mohan , Amirhossein Ravari , Or Zilbershot , Fatemeh Afghah

Electrocardiography (ECG) signal is a highly applied measurement for individual heart condition, and much effort have been endeavored towards automatic heart arrhythmia diagnosis based on machine learning. However, traditional machine…

Signal Processing · Electrical Eng. & Systems 2021-11-01 Ziyu Liu , Xiang Zhang

Electrocardiography (ECG) analysis is crucial for cardiac diagnosis, yet existing foundation models often fail to capture the periodicity and diverse features required for varied clinical tasks. We propose ECG-MoE, a hybrid architecture…

Artificial Intelligence · Computer Science 2026-03-06 Yuhao Xu , Xiaoda Wang , Yi Wu , Wei Jin , Xiao Hu , Carl Yang

In this paper, the relation between electrocardiogram (ECG) and photoplethysmogram (PPG) signals is studied, and the waveform of ECG is inferred via the PPG signals. In order to address this inverse problem, a transform is proposed to map…

Signal Processing · Electrical Eng. & Systems 2021-04-23 Qiang Zhu , Xin Tian , Chau-Wai Wong , Min Wu

Electroencephalography (EEG), a technique that records electrical activity from the scalp using electrodes, plays a vital role in affective computing. However, fully utilizing the multi-domain characteristics of EEG signals remains a…

Neural and Evolutionary Computing · Computer Science 2026-03-16 Yanjie Cui , Xiaohong Liu , Jing Liang , Yamin Fu

Cardiac magnetic resonance imaging (CMR) offers detailed evaluation of cardiac structure and function, but its limited accessibility restricts use to selected patient populations. In contrast, the electrocardiogram (ECG) is ubiquitous and…

Wavelets and wavelet transforms (WT) could be a very useful tool to analyze electroencephalogram (EEG) signals. To illustrate the WT method we make use of a simple electric circuit model introduced by Niederhauser, which is used to produce…

Medical Physics · Physics 2007-05-23 J. P. Trevino , V. H. Castillo , H. C. Rosu , J. L. Moran , J. S. Murguia

A novel approach for analysing cardiac rhythm data is presented in this paper. Heartbeats are decomposed into the five fundamental $P$, $Q$, $R$, $S$ and $T$ waves plus an error term to account for artefacts in the data which provides a…

Methodology · Statistics 2022-05-04 Cristina Rueda , Yolanda Larriba , Adrián Lamela

Electrocardiogram (ECG) is the most frequent and routine diagnostic tool used for monitoring heart electrical signals and evaluating its functionality. The human heart can suffer from a variety of diseases, including cardiac arrhythmias.…

Signal Processing · Electrical Eng. & Systems 2022-09-05 Negin Alamatsaz , Leyla s Tabatabaei , Mohammadreza Yazdchi , Hamidreza Payan , Nima Alamatsaz , Fahimeh Nasimi

Interpretation of electrocardiography (ECG) signals is required for diagnosing cardiac arrhythmia. Recently, machine learning techniques have been applied for automated computer-aided diagnosis. Machine learning tasks can be divided into…

Dimensionality reduction of ECG signals is considered within the framework of sparse representation. The approach constructs the signal model by selecting elementary components from a redundant dictionary via a greedy strategy. The proposed…

Signal Processing · Electrical Eng. & Systems 2019-06-12 Laura Rebollo-Neira , Dana Cerna

The electroencephalogram (EEG) has been the gold standard for quantifying mental workload; however, due to its complexity and non-portability, it can be constraining. ECG signals, which are feasible on wearable equipment pieces such as…

Machine Learning · Computer Science 2026-01-13 Malavika Pradeep , Akshay Sasi , Nusaibah Farrukh , Rahul Venugopal , Elizabeth Sherly

The classification of electrocardiogram (ECG) plays a crucial role in the development of an automatic cardiovascular diagnostic system. However, considerable variances in ECG signals between individuals is a significant challenge. Changes…

Signal Processing · Electrical Eng. & Systems 2023-06-08 Md Niaz Imtiaz , Naimul Khan

Evoked EMG M-responses obtained from the thenar muscle in the palm by electrical stimulation of the median nerve demonstrate a well-established smooth bipolar shape for normal healthy subjects while kinks are observed in certain…

Biological Physics · Physics 2019-05-30 Zaid Bin Mahbub , J H Karami , K Siddique-e Rabbani

The amount of power in different frequency bands of the electroencephalogram (EEG) carries information about the behavioral state of a subject. Hence, neurologists treating epileptic patients monitor the temporal evolution of the different…

Neurons and Cognition · Quantitative Biology 2020-06-17 Melisa Maidana Capitán , Nuria Cámpora , Claudio Sebastián , Sigvard Silvia Kochen , Inés Samengo

Early detection of cardiovascular diseases is crucial for effective treatment and an electrocardiogram (ECG) is pivotal for diagnosis. The accuracy of Deep Learning based methods for ECG signal classification has progressed in recent years…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Likith Reddy , Vivek Talwar , Shanmukh Alle , Raju. S. Bapi , U. Deva Priyakumar

This paper presents a computational solution that enables continuous cardiac monitoring through cross-modality inference of electrocardiogram (ECG). While some smartwatches now allow users to obtain a 30-second ECG test by tapping a…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Yuenan Li , Xin Tian , Qiang Zhu , Min Wu

ECG heartbeat classification plays a vital role in diagnosis of cardiac arrhythmia. The goal of the Physionet/CinC 2021 challenge was to accurately classify clinical diagnosis based on 12, 6, 4, 3 or 2-lead ECG recordings in order to aid…

Electrocardiograms (ECG) analysis is one of the most important ways to diagnose heart disease. This paper proposes an efficient ECG classification method based on Wasserstein scalar curvature to comprehend the connection between heart…

Computational Engineering, Finance, and Science · Computer Science 2022-10-26 Fupeng Sun , Yin Ni , Yihao Luo , Huafei Sun