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Multimodal 3D MRI brain tumor segmentation is a pivotal step in radiotherapy target delineation, surgical planning and post-treatment assessment. Existing methods often assume artifact-free MRI images. However, inevitable patient motion…

图像与视频处理 · 电气工程与系统科学 2026-05-18 Yuchun Wang , Xiaosong Li , Gefei Liang , Yang Liu

Clinical guidelines underscore the importance of regularly monitoring and surveilling arteriovenous fistula (AVF) access in hemodialysis patients to promptly detect any dysfunction. Although phono-angiography/sound analysis overcomes the…

机器学习 · 计算机科学 2023-06-13 Li-Chin Chen , Yi-Heng Lin , Li-Ning Peng , Feng-Ming Wang , Yu-Hsin Chen , Po-Hsun Huang , Shang-Feng Yang , Yu Tsao

Denoising wearable electroencephalogram (EEG) is inherently challenging since neural activity is not only subtle but also inseparable from spectrally overlapping noise artifacts. Classical signal processing methods, relying on fixed or…

机器学习 · 计算机科学 2026-05-11 Qiyu Rao , Haozhe Tian , Homayoun Hamedmoghadam , Danilo Mandic

Metal artefact reduction (MAR) techniques aim at removing metal-induced noise from clinical images. In Computed Tomography (CT), supervised deep learning approaches have been shown effective but limited in generalisability, as they mostly…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Marta B. M. Ranzini , Irme Groothuis , Kerstin Kläser , M. Jorge Cardoso , Johann Henckel , Sébastien Ourselin , Alister Hart , Marc Modat

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…

图像与视频处理 · 电气工程与系统科学 2020-03-02 Daiki Tamada

Biological measurements are often contaminated with large amounts of non-stationary noise which require effective noise reduction techniques. We present a new real-time deep learning algorithm which produces adaptively a signal opposing the…

信号处理 · 电气工程与系统科学 2022-09-27 Bernd Porr , Sama Daryanavard , Lucía Muñoz Bohollo , Henry Cowan , Bernd Porr , Ravinder Dahiya

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…

信号处理 · 电气工程与系统科学 2025-09-25 Benjamin J. Choi , Griffin Milsap , Clara A. Scholl , Francesco Tenore , Mattson Ogg

Purpose: Compressed sensing MRI (CS-MRI) from single and parallel coils is one of the powerful ways to reduce the scan time of MR imaging with performance guarantee. However, the computational costs are usually expensive. This paper aims to…

计算机视觉与模式识别 · 计算机科学 2017-03-06 Dongwook Lee , Jaejun Yoo , Jong Chul Ye

Evaluating canine electrocardiograms (ECGs) is challenging due to noise that can obscure clinically relevant cardiac electrical activity. Common sources of interference include respiration, muscle activity, poor lead contact, and external…

机器学习 · 计算机科学 2026-05-19 Jeff Breeding-Allison , Emil Walleser

Biological data like electroencephalography (EEG) are typically contaminated by unwanted signals, called artifacts. Therefore, many applications dealing with biological data with low signal-to-noise ratio require robust artifact correction.…

信号处理 · 电气工程与系统科学 2022-04-29 Paul Maanen , Sarah Blum , Stefan Debener

Electroencephalography (EEG) is essential in neuroscience and clinical practice, yet it suffers from physiological artifacts, particularly electromyography (EMG), which distort signals. We propose a deep learning model using pix2pixGAN to…

信号处理 · 电气工程与系统科学 2024-11-21 Haoyi Wang , Xufang Chen , Yue Yang , Kewei Zhou , Meining Lv , Dongrui Wang , Wenjie Zhang

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…

机器学习 · 统计学 2020-01-07 Tom Edinburgh , Peter Smielewski , Marek Czosnyka , Stephen J. Eglen , Ari Ercole

A high fraction of artifact-free signals is highly desirable in functional neuroimaging and brain-computer interfacing (BCI). We present the high-variance electrode artifact removal (HEAR) algorithm to remove transient electrode pop and…

信号处理 · 电气工程与系统科学 2019-07-30 Reinmar J. Kobler , Andreea I. Sburlea , Valeria Mondini , Gernot R. Müller-Putz

Electrocardiogram (ECG) signals are frequently corrupted by noise, such as baseline wander (BW), muscle artifacts (MA), and electrode motion (EM), which significantly degrade their diagnostic utility. To address this issue, we propose…

信号处理 · 电气工程与系统科学 2025-05-12 Sainan xiao , Wangdong Yang , Buwen Cao , Jintao Wu

The electroencephalography (EEG), which is one of the easiest modes of recording brain activations in a non-invasive manner, is often distorted due to recording artifacts which adversely impacts the stimulus-response analysis. The most…

音频与语音处理 · 电气工程与系统科学 2021-11-30 Jaswanth Reddy Katthi , Sriram Ganapathy

The recent emergence and success of electroencephalography (EEG) in low-cost portable devices, has opened the door to a new generation of applications processing a small number of EEG channels for health monitoring and brain-computer…

数据分析、统计与概率 · 物理学 2018-01-26 Mario Chavez , Fanny Grosselin , Aurore Bussalb , Fabrizio De Vico Fallani , Xavier Navarro-Sune

Motion artifacts in Magnetic Resonance Imaging (MRI) are one of the frequently occurring artifacts due to patient movements during scanning. Motion is estimated to be present in approximately 30% of clinical MRI scans; however, motion has…

图像与视频处理 · 电气工程与系统科学 2024-05-29 Zhifeng Chen , Kamlesh Pawar , Kh Tohidul Islam , Himashi Peiris , Gary Egan , Zhaolin Chen

Decoding brain signals has gained many attention and has found much applications in recent years such as Brain Computer Interfaces, communicating with controlling external devices using the user's intentions, occupies an emerging field with…

信号处理 · 电气工程与系统科学 2020-06-26 Mirfarid Musavian Ghazani , Anh Huy Phan

Compression artifacts arise in images whenever a lossy compression algorithm is applied. These artifacts eliminate details present in the original image, or add noise and small structures; because of these effects they make images less…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Leonardo Galteri , Lorenzo Seidenari , Marco Bertini , Alberto Del Bimbo

Alternative data representations are powerful tools that augment the performance of downstream models. However, there is an abundance of such representations within the machine learning toolbox, and the field lacks a comparative…

信号处理 · 电气工程与系统科学 2024-01-12 Aaron Maiwald , Leon Ackermann , Maximilian Kalcher , Daniel J. Wu