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Neurophysiological time series recordings like the electroencephalogram (EEG) or local field potentials are obtained from multiple sensors. They can be decoded by machine learning models in order to estimate the ongoing brain state of a…

Signal Processing · Electrical Eng. & Systems 2023-04-14 Pierre Guetschel , Théodore Papadopoulo , Michael Tangermann

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

This paper presents a two-stage method for beam hardening artifact correction of dental cone beam computerized tomography (CBCT). The proposed artifact reduction method is designed to improve the quality of maxillofacial imaging, where soft…

Computational Engineering, Finance, and Science · Computer Science 2020-10-09 T. Bayaraa , C. M. Hyun , T. J. Jang , S. M. Lee , J. K. Seo

There exists a gap in terms of the signals provided by pacemakers (i.e., intracardiac electrogram (EGM)) and the signals doctors use (i.e., 12-lead electrocardiogram (ECG)) to diagnose abnormal rhythms. Therefore, the former, even if…

Hardware Architecture · Computer Science 2021-11-05 Yongan Zhang , Anton Banta , Yonggan Fu , Mathews M. John , Allison Post , Mehdi Razavi , Joseph Cavallaro , Behnaam Aazhang , Yingyan Lin

This research addresses a validated TMS EEG cleaning pipeline and a corresponding benchmark dataset. It evaluates two widely used artifact removal pipelines. A reference dataset of carefully preprocessed EEG signals was established to…

Signal Processing · Electrical Eng. & Systems 2026-05-12 Zhen Tang , Ameer Hamoodi , Stevie Foglia , Aimee Nelson , Zhen Gao

Inter-beat interval (IBI) measurement enables estimation of heart-rate variability (HRV) which, in turns, can provide early indication of potential cardiovascular diseases. However, extracting IBIs from noisy signals is challenging since…

Signal Processing · Electrical Eng. & Systems 2021-07-05 Asiful Arefeen , Ali Akbari , Seyed Iman Mirzadeh , Roozbeh Jafari , Behrooz A. Shirazi , Hassan Ghasemzadeh

We develop and evaluate a neural network-based method for Gibbs artifact and noise removal. A convolutional neural network (CNN) was designed for artifact removal in diffusion-weighted imaging data. Two implementations were considered: one…

Electroencephalography (EEG) is crucial for the monitoring and diagnosis of brain disorders. However, EEG signals suffer from perturbations caused by non-cerebral artifacts limiting their efficacy. Current artifact detection pipelines are…

Signal Processing · Electrical Eng. & Systems 2021-07-23 Lorena Qendro , Alexander Campbell , Pietro Liò , Cecilia Mascolo

In-scanner motion degrades the quality of magnetic resonance imaging (MRI) thereby reducing its utility in the detection of clinically relevant abnormalities. We introduce a deep learning-based MRI artifact reduction model (DMAR) to…

Image and Video Processing · Electrical Eng. & Systems 2020-11-03 Yijun Zhao , Jacek Ossowski , Xuming Wang , Shangjin Li , Orrin Devinsky , Samantha P. Martin , Heath R. Pardoe

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…

Quantitative Methods · Quantitative Biology 2025-07-18 David Choi , Milos Vukadinovic , Bryan He , Christina Binder , Yuki Sahashi , David Ouyang

Respiration-induced B$_0$ fluctuation corrupts MRI images by inducing phase errors in k-space. A few approaches such as navigator have been proposed to correct for the artifacts at the expense of sequence modification. In this study, a new…

Image and Video Processing · Electrical Eng. & Systems 2020-10-09 Hongjun An , Hyeong-Geol Shin , Sooyoen Ji , Woojin Jung , Sehong Oh , Dongmyung Shin , Juhyung Park , Jongho Lee

In previous studies, decoding electroencephalography (EEG) signals has not considered the topological relationship of EEG electrodes. However, the latest neuroscience has suggested brain network connectivity. Thus, the exhibited interaction…

Signal Processing · Electrical Eng. & Systems 2020-07-28 Shuyue Jia , Yimin Hou , Yan Shi , Yang Li

Electroencephalography (EEG) is a tool that allows us to analyze brain activity with high temporal resolution. These measures, combined with deep learning and digital signal processing, are widely used in neurological disorder detection and…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Isaac Ariza , Lorenzo J. Tardon , Ana M. Barbancho , Irene De-Torres , Isabel Barbancho

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…

Effective control of neural interfaces is limited by poor signal quality. While neural network-based electroencephalography (EEG) denoising methods for electromyogenic (EMG) artifacts have improved in recent years, current state-of-the-art…

Signal Processing · Electrical Eng. & Systems 2025-09-25 Benjamin J. Choi , Griffin Milsap , Clara A. Scholl , Francesco Tenore , Mattson Ogg

Simultaneous recording of electroencephalography (EEG) and functional MRI (fMRI) can provide a more complete view of brain function by merging high temporal and spatial resolutions. High-field ($\geq$3T) systems are standard, and require…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Parsa Razmara , Takfarinas Medani , Majid Abbasi Sisara , Anand A. Joshi , Rui Chen , Woojae Jeong , Ye Tian , Krishna S. Nayak , Richard M. Leahy

For several years, numerous attempts have been made to reduce noise and artifacts in MRI. Although there have been many successful methods to address these problems, practical implementation for clinical images is still challenging because…

Image and Video Processing · Electrical Eng. & Systems 2020-03-02 Daiki Tamada

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…

Signal Processing · Electrical Eng. & Systems 2024-01-22 Juan Rodenas , Manuel Garcia , Jose J. Rieta , Raul Alcaraz

An electroencephalography (EEG) based Brain Computer Interface (BCI) enables people to communicate with the outside world by interpreting the EEG signals of their brains to interact with devices such as wheelchairs and intelligent robots.…

Human-Computer Interaction · Computer Science 2017-09-27 Xiang Zhang , Lina Yao , Quan Z. Sheng , Salil S. Kanhere , Tao Gu , Dalin Zhang

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
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