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Photoacoustic imaging (PAI) has been applied to many biomedical applications over the past decades. However, the received PA signal usually suffers from poor signal-to-noise ratio (SNR). Conventional solution of employing higher-power…

Signal Processing · Electrical Eng. & Systems 2023-07-26 Xinke Li , Peng Ge , Yuting Shen , Feng Gao , Fei Gao

This paper introduces LLT-ECG, a novel method for electrocardiogram (ECG) signal classification that leverages concepts from theoretical physics to automatically generate features from time series data. Unlike traditional deep learning…

Machine Learning · Computer Science 2026-02-06 Péter Pósfay , Marcell T. Kurbucz , Péter Kovács , Antal Jakovác

Electrocardiogram (ECG) is a reliable tool for medical professionals to detect and diagnose abnormal heart waves that may cause cardiovascular diseases. This paper proposes a methodology to create a new high-quality heartbeat dataset from…

Signal Processing · Electrical Eng. & Systems 2024-11-13 Ahmed. S Benmessaoud , Farida Medjani , Yahia Bousseloub , Khalid Bouaita , Dhia Benrahem , Tahar Kezai

In order to reduce the muscle artifacts in multi-channel pervasive Electroencephalogram (EEG) signals, we here propose and compare two hybrid algorithms by combining the concept of wavelet packet transform (WPT), empirical mode…

Medical Physics · Physics 2014-10-22 Valentina Bono , Wasifa Jamal , Saptarshi Das , Koushik Maharatna

Electrocardiogram (ECG) is the most widely used diagnostic tool to monitor the condition of the human heart. By using deep neural networks (DNNs), interpretation of ECG signals can be fully automated for the identification of potential…

Machine Learning · Computer Science 2022-03-16 Linhai Ma , Liang Liang

Using smart wearable devices to monitor patients electrocardiogram (ECG) for real-time detection of arrhythmias can significantly improve healthcare outcomes. Convolutional neural network (CNN) based deep learning has been used successfully…

Machine Learning · Computer Science 2021-09-07 Xiaolin Li , Rajesh Panicker , Barry Cardiff , Deepu John

Purpose: Low-field MRI systems operate at single MHz-range frequencies, where signal losses are primarily dominated by thermal noise from the radio-frequency (RF) receive coils. Achieving operation close to this limit is essential for…

Medical Physics · Physics 2026-03-09 Teresa Guallart-Naval , José M. Algarín , Joseba Alonso

An alternative pathway for the human brain to communicate with the outside world is by means of a brain computer interface (BCI). A BCI can decode electroencephalogram (EEG) signals of brain activities, and then send a command or an intent…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Junhua Li , Zbigniew Struzik , Liqing Zhang , Andrzej Cichocki

Method: In this study, a new method is introduced for distinguishing noise-free segments of ECG from noisy segments that use sample amplitude dispersion with an adoptive threshold for variance of samples amplitude and a method which uses…

Signal Processing · Electrical Eng. & Systems 2021-05-24 Zahra Rezaei Khavas , Babak Mohammadzadeh Asl

A brain-computer interface (BCI) based on the motor imagery (MI) paradigm translates one's motor intention into a control signal by classifying the Electroencephalogram (EEG) signal of different tasks. However, most existing systems either…

Data Structures and Algorithms · Computer Science 2020-07-27 Eitan Netzer , Alex Frid , Dan Feldman

The industry of wearable remote health monitoring system keeps growing. In the diagnosis of cardiovascular disease, Electrocardiography~(ECG) waveform is one of the major tools which is thus widely taken as the monitoring objective. For the…

Information Theory · Computer Science 2017-04-07 Pengda Huang

Objectives: With the technological advancements in the field of tele-health monitoring, it is now possible to gather huge amounts of electro-physiological signals such as electrocardiogram (ECG). It is therefore necessary to develop…

Machine Learning · Computer Science 2020-05-19 Abdolrahman Peimankar , Sadasivan Puthusserypady

The diagnostic value of electrocardiogram (ECG) lies in its dynamic characteristics, ranging from rhythm fluctuations to subtle waveform deformations that evolve across time and frequency domains. However, supervised ECG models tend to…

Signal Processing · Electrical Eng. & Systems 2025-07-29 He-Yang Xu , Hongxiang Gao , Yuwen Li , Xiu-Shen Wei , Chengyu Liu

The electrocardiogram (ECG) is a ubiquitous diagnostic modality. Convolutional neural networks (CNNs) applied towards ECG analysis require large sample sizes, and transfer learning approaches result in suboptimal performance when…

Electrocardiography analysis is widely used in various clinical applications and Deep Learning models for classification tasks are currently in the focus of research. Due to their data-driven character, they bear the potential to handle…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Theresa Bender , Philip Gemke , Ennio Idrobo-Avila , Henning Dathe , Dagmar Krefting , Nicolai Spicher

This work presents ReBeatICG, a real-time, low-complexity beat-to-beat impedance cardiography (ICG) delineation algorithm that allows hemodynamic parameters monitoring. The proposed procedure relies only on the ICG signal compared to most…

Signal Processing · Electrical Eng. & Systems 2021-05-05 Una Pale , Nathan Müller , Adriana Arza , David Atienza

This paper systematically investigates the effectiveness of various augmentations for contrastive self-supervised learning of electrocardiogram (ECG) signals and identifies the best parameters. The baseline of our proposed self-supervised…

Signal Processing · Electrical Eng. & Systems 2022-06-16 Sahar Soltanieh , Ali Etemad , Javad Hashemi

Deep Learning (DL) methods have been used for electrocardiogram (ECG) processing in a wide variety of tasks, demonstrating good performance compared with traditional signal processing algorithms. These methods offer an efficient framework…

Signal Processing · Electrical Eng. & Systems 2024-07-31 Adrian Atienza , Jakob Bardram , Sadasivan Puthusserypady

Electrocardiogram (ECG) signals play a pivotal role in cardiovascular diagnostics, providing essential information on the electrical activity of the heart. However, the inherent noise and limited resolution in ECG recordings can hinder…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Ugo Lomoio , Pierangelo Veltri , Pietro Hiram Guzzi , Pietro Lio'

Power line communication continues to draw increasing interest by promising a wide range of applications including cost-free last-mile communication solution. However, signal transmitted through the power lines deteriorates badly due to the…

Information Theory · Computer Science 2015-03-13 Kai Xie , Jing , Li