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Electrocardiogram (ECG) detection and delineation are key steps for numerous tasks in clinical practice, as ECG is the most performed non-invasive test for assessing cardiac condition. State-of-the-art algorithms employ digital signal…

机器学习 · 计算机科学 2020-05-12 Guillermo Jimenez-Perez , Alejandro Alcaine , Oscar Camara

In practical scenarios involving the measurement of surface electromyography (sEMG) in muscles, particularly those areas near the heart, one of the primary sources of contamination is the presence of electrocardiogram (ECG) signals. To…

信号处理 · 电气工程与系统科学 2024-06-14 Cho-Yuan Lee , Kuan-Chen Wang , Kai-Chun Liu , Yu-Te Wang , Xugang Lu , Ping-Cheng Yeh , Yu Tsao

Objective. Wearable devices with embedded photoplethysmography (PPG) enable continuous non-invasive monitoring of cardiac activity, offering a promising strategy to reduce the global burden of cardiovascular diseases. However, monitoring…

信号处理 · 电气工程与系统科学 2025-08-15 Giulio Basso , Xi Long , Reinder Haakma , Rik Vullings

The electroencephalogram (EEG) and functional near-infrared spectroscopy (fNIRS) signals, highly non-stationary in nature, greatly suffers from motion artifacts while recorded using wearable sensors. This paper proposes two robust methods:…

Electrocardiogram (ECG) delineation, the segmentation of meaningful waveform features, is critical for clinical diagnosis. Despite recent advances using deep learning, progress has been limited by the scarcity of publicly available…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Minje Park , Jeonghwa Lim , Taehyung Yu , Sunghoon Joo

Objective: Electrocardiogram (ECG) signals commonly suffer noise interference, such as baseline wander. High-quality and high-fidelity reconstruction of the ECG signals is of great significance to diagnosing cardiovascular diseases.…

信号处理 · 电气工程与系统科学 2023-01-19 Huayu Li , Gregory Ditzler , Janet Roveda , Ao Li

EEG signals are complex and low-frequency signals. Therefore, they are easily influenced by external factors. EEG artifact removal is crucial in neuroscience because artifacts have a significant impact on the results of EEG analysis. The…

信号处理 · 电气工程与系统科学 2022-09-27 Mehmet Akif Ozdemir , Sumeyye Kizilisik , Onan Guren

Nowadays, the electrocardiogram (ECG) is still the most widely used signal for the diagnosis of cardiac pathologies. However, this recording is often disturbed by the powerline interference (PLI), its removal being mandatory to avoid…

信号处理 · 电气工程与系统科学 2024-01-22 Juan Rodenas , Manuel Garcia , Jose J. Rieta , Raul Alcaraz

Interpretation of electroencephalogram (EEG) signals can be complicated by obfuscating artifacts. Artifact detection plays an important role in the observation and analysis of EEG signals. Spatial information contained in the placement of…

信号处理 · 电气工程与系统科学 2018-01-09 Vinit Shah , Meysam Golmohammadi , Saeedeh Ziyabari , Eva Von Weltin , Iyad Obeid , Joseph Picone

Mobile electrocardiogram (ECG) recording technologies represent a promising tool to fight the ongoing epidemic of cardiovascular diseases, which are responsible for more deaths globally than any other cause. While the ability to monitor…

信号处理 · 电气工程与系统科学 2018-10-10 Jennifer N. John , Conner Galloway , Alexander Valys

Continuous, non-invasive pregnancy monitoring is crucial for minimising potential complications. The fetal electrocardiogram (fECG) represents a promising tool for assessing fetal health beyond clinical environments. Home-based monitoring…

信号处理 · 电气工程与系统科学 2025-07-01 Iulia Orvas , Andrei Radu , Alessandra Galli , Ana Neacsu , Elisabetta Peri

Echocardiography (echo), or cardiac ultrasound, is the most widely used imaging modality for cardiac form and function due to its relatively low cost, rapid acquisition time, and non-invasive nature. However, ultrasound acquisitions are…

定量方法 · 定量生物学 2025-07-18 David Choi , Milos Vukadinovic , Bryan He , Christina Binder , Yuki Sahashi , David Ouyang

The multiple fundamental frequency detection problem and the source separation problem from a single-channel signal containing multiple oscillatory components and a nonstationary noise are both challenging tasks. To extract the fetal…

定量方法 · 定量生物学 2016-09-13 Su Li , Hau-tieng Wu

A fractional-based compressed auto-encoder architecture has been introduced to solve the problem of denoising electroencephalogram (EEG) signals. The architecture makes use of fractional calculus to calculate the gradients during the…

机器学习 · 计算机科学 2021-07-08 Subham Nagar , Ahlad Kumar , M. N. S. Swamy

Deep learning networks are increasingly attracting attention in various fields, including electroencephalography (EEG) signal processing. These models provided comparable performance with that of traditional techniques. At present, however,…

信号处理 · 电气工程与系统科学 2021-07-29 Haoming Zhang , Mingqi Zhao , Chen Wei , Dante Mantini , Zherui Li , Quanying Liu

Gesture recognition based on surface electromyographic signal (sEMG) is one of the most used methods. The traditional manual feature extraction can only extract some low-level signal features, this causes poor classifier performance and low…

计算机视觉与模式识别 · 计算机科学 2024-10-25 Mingjin Zhang , Jiahao Wang , Jianming Wang , Qi Wang

The cardiac dipole has been shown to propagate to the ears, now a common site for consumer wearable electronics, enabling the recording of electrocardiogram (ECG) signals. However, in-ear ECG recordings often suffer from significant noise…

Wavelet quantile normalization (WQN) is a nonparametric algorithm designed to efficiently remove transient artifacts from single-channel EEG in real-time clinical monitoring. Today, EEG monitoring machines suspend their output when…

统计方法学 · 统计学 2022-08-04 Matteo Dora , Stéphane Jaffard , David Holcman

Objective: Often, people with Subjective Cognitive Impairment (SCI), Mild Cognitive Impairment (MCI) and dementia are underwent to Electroencephalography (EEG) in order to evaluate through biological indexes the functional connectivity…

信号处理 · 电气工程与系统科学 2019-04-10 Kalogiannis Grigorios , Chassapis George , Tsolaki Magda

Current deep neural network based approaches to computed tomography (CT) metal artifact reduction (MAR) are supervised methods which rely heavily on synthesized data for training. However, as synthesized data may not perfectly simulate the…

图像与视频处理 · 电气工程与系统科学 2019-12-02 Haofu Liao , Wei-An Lin , Jianbo Yuan , S. Kevin Zhou , Jiebo Luo