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Artifacts are a common problem in physiological time series collected from intensive care units (ICU) and other settings. They affect the quality and reliability of clinical research and patient care. Manual annotation of artifacts is…

Machine Learning · Computer Science 2024-08-06 Hollan Haule , Ian Piper , Patricia Jones , Chen Qin , Tsz-Yan Milly Lo , Javier Escudero

Waveform physiological data is important in the treatment of critically ill patients in the intensive care unit. Such recordings are susceptible to artefacts, which must be removed before the data can be re-used for alerting or reprocessed…

Machine Learning · Statistics 2020-01-07 Tom Edinburgh , Peter Smielewski , Marek Czosnyka , Stephen J. Eglen , Ari Ercole

Artifact Detection (AD) techniques minimize the impact of artifacts on physiologic data acquired in Critical Care Units (CCU) by assessing quality of data prior to Clinical Event Detection (CED) and Parameter Derivation (PD). This…

Signal Processing · Electrical Eng. & Systems 2018-05-02 Shermeen Nizami , James R. Green , Carolyn McGregor

Electroencephalogram (EEG) signals are often corrupted with unintended artifacts which need to be removed for extracting meaningful clinical information from them. Typically a priori knowledge of the nature of the artifacts is needed for…

Medical Physics · Physics 2018-03-02 Valentina Bono , Saptarshi Das , Wasifa Jamal , Koushik Maharatna

Artifacts pose a significant challenge in medical imaging, impacting diagnostic accuracy and downstream analysis. While image-based approaches for detecting artifacts can be effective, they often rely on preprocessing methods that can lead…

Image and Video Processing · Electrical Eng. & Systems 2025-08-08 Caner Özer , Patryk Rygiel , Bram de Wilde , İlkay Öksüz , Jelmer M. Wolterink

Image quality control (IQC) can be used in automated magnetic resonance (MR) image analysis to exclude erroneous results caused by poorly acquired or artifact-laden images. Existing IQC methods for MR imaging generally require human effort…

Image and Video Processing · Electrical Eng. & Systems 2023-02-02 Lianrui Zuo , Yuan Xue , Blake E. Dewey , Yihao Liu , Jerry L. Prince , Aaron Carass

Electroencephalography (EEG) signals are often contaminated with artifacts. It is imperative to develop a practical and reliable artifact removal method to prevent misinterpretations of neural signals and underperformance of brain-computer…

Signal Processing · Electrical Eng. & Systems 2021-11-23 Chun-Hsiang Chuang , Kong-Yi Chang , Chih-Sheng Huang , Tzyy-Ping Jung

Owing to recent advances in thoracic electrical impedance tomography, a patient's hemodynamic function can be noninvasively and continuously estimated in real-time by surveilling a cardiac volume signal associated with stroke volume and…

Signal Processing · Electrical Eng. & Systems 2023-01-05 Chang Min Hyun , Tae Jun Jang , Jeongchan Nam , Hyeuknam Kwon , Kiwan Jeon , Kyunghun Lee

The problem of artifacts in whole slide image acquisition, prevalent in both clinical workflows and research-oriented settings, necessitates human intervention and re-scanning. Overcoming this challenge requires developing quality control…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Artur Jurgas , Marek Wodzinski , Marina D'Amato , Jeroen van der Laak , Manfredo Atzori , Henning Müller

Objective: Clinical notes contain information not present elsewhere, including drug response and symptoms, all of which are highly important when predicting key outcomes in acute care patients. We propose the automatic annotation of…

Computation and Language · Computer Science 2021-11-25 Jingqing Zhang , Luis Bolanos , Ashwani Tanwar , Julia Ive , Vibhor Gupta , Yike Guo

Electroencephalograms (EEG) are often contaminated by artifacts which make interpreting them more challenging for clinicians. Hence, automated artifact recognition systems have the potential to aid the clinical workflow. In this abstract,…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Subhrajit Roy

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

The ever increasing volume of data in digital forensic investigation is one of the most discussed challenges in the field. Usually, most of the file artefacts on seized devices are not pertinent to the investigation. Manually retrieving…

Cryptography and Security · Computer Science 2019-07-03 Xiaoyu Du , Mark Scanlon

Artefacts compromise clinical decision-making in the use of medical time series. Pulsatile waveforms offer probabilities for accurate artefact detection, yet most approaches rely on supervised manners and overlook patient-level distribution…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Xuhang Chen , Ihsane Olakorede , Stefan Yu Bögli , Wenhao Xu , Erta Beqiri , Xuemeng Li , Chenyu Tang , Zeyu Gao , Shuo Gao , Ari Ercole , Peter Smielewski

Digital pathology plays a vital role across modern medicine, offering critical insights for disease diagnosis, prognosis, and treatment. However, histopathology images often contain artifacts introduced during slide preparation and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Zhenzhen Wang , Zhongliang Zhou , Zhuoyu Wen , Jeong Hwan Kook , John B Wojcik , John Kang

Intensive Care Units (ICU) provide close supervision and continuous care to patients with life-threatening conditions. However, continuous patient assessment in the ICU is still limited due to time constraints and the workload on healthcare…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Subhash Nerella , Ziyuan Guan , Andrea Davidson , Yuanfang Ren , Tezcan Baslanti , Brooke Armfield , Patrick Tighe , Azra Bihorac , Parisa Rashidi

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…

Signal Processing · Electrical Eng. & Systems 2021-07-19 Md Billal Hossain , Hugo Fernando Posada-Quintero , Youngsun Kong , Riley McNaboe , Ki Chon

Objective. Electroencephalography (EEG) is a widely used neuroimaging technique known for its cost-effectiveness and user-friendliness. However, various artifacts, particularly biological artifacts like Electromyography (EMG) signals, lead…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Lu Wang-Nöth , Philipp Heiler , Hai Huang , Daniel Lichtenstern , Alexandra Reichenbach , Luis Flacke , Linus Maisch , Helmut Mayer

Automated quality assessment of structural brain MRI is an important prerequisite for reliable neuroimaging analysis, but yet remains challenging due to motion artifacts and poor generalization across acquisition sites. Existing approaches…

Image and Video Processing · Electrical Eng. & Systems 2026-03-09 Naveetha Nithianandam , Prabhjot Kaur , Anil Kumar Sao

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…

Signal Processing · Electrical Eng. & Systems 2019-04-10 Kalogiannis Grigorios , Chassapis George , Tsolaki Magda
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