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This study introduces a novel framework to apply Artifact Subspace Reconstruction (ASR) algorithm on single-channel Electroencephalogram (EEG) data. ASR, renowned for its automated capability to effectively eliminate various artifacts like…

信号处理 · 电气工程与系统科学 2024-10-30 Doli Hazarika , Vishnu KN , Ramdas Ransing , Cota Navin Gupta

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

Artifact removal in electroencephalography (EEG) is a longstanding challenge that significantly impacts neuroscientific analysis and brain-computer interface (BCI) performance. Tackling this problem demands advanced algorithms, extensive…

信号处理 · 电气工程与系统科学 2024-09-12 Chun-Hsiang Chuang , Kong-Yi Chang , Chih-Sheng Huang , Anne-Mei Bessas

Electroencephalography (EEG) signals are easily corrupted by various artifacts, making artifact removal crucial for improving signal quality in scenarios such as disease diagnosis and brain-computer interface (BCI). In this paper, we…

信号处理 · 电气工程与系统科学 2024-03-08 Yan Pei , Jiahui Xu , Qianhao Chen , Chenhao Wang , Feng Yu , Lisan Zhang , Wei Luo

Objective: The concurrent recording of electroencephalography (EEG) and functional magnetic resonance imaging (fMRI) is a technique that has received much attention due to its potential for combined high temporal and spatial resolution.…

定量方法 · 定量生物学 2020-06-29 J. R. McIntosh , J. Yao , Linbi Hong , J. Faller , P. Sajda

Simultaneous EEG-fMRI recording combines high temporal and spatial resolution for tracking neural activity. However, its usefulness is greatly limited by artifacts from magnetic resonance (MR), especially gradient artifacts (GA) and…

信号处理 · 电气工程与系统科学 2025-07-31 K. A. Shahriar , E. H. Bhuiyan , Q. Luo , M. E. H. Chowdhury , X. J. Zhou

Electroencephalography (EEG) is a widely used non-invasive technique for monitoring brain activity, but low signal-to-noise ratios (SNR) due to various artifacts often compromise its utility. Conventional artifact removal methods require…

信号处理 · 电气工程与系统科学 2025-11-06 Shantanu Sarkar , Piotr Nabrzyski , Saurabh Prasad , Jose Luis Contreras-Vidal

Cortical oscillations, electrophysiological activity patterns, associated with cognitive functions and impaired in many psychiatric disorders can be observed in intracranial electroencephalography (iEEG). Direct cortical stimulation (DCS)…

医学物理 · 物理学 2018-11-22 Sankaraleengam Alagapan , Hae Won Shin , Flavio Frohlich , Hau-tieng Wu

Electroencephalography (EEG) signals are frequently contaminated by artifacts, affecting the accuracy of subsequent analysis. Traditional artifact removal methods are often computationally expensive and inefficient for real-time…

信号处理 · 电气工程与系统科学 2026-02-11 Haoliang Liu , Chengkun Cai , Xu Zhao , Lei Li

Reducing noise interference is crucial for automatic speech recognition (ASR) in a real-world scenario. However, most single-channel speech enhancement (SE) generates "processing artifacts" that negatively affect ASR performance. Hence, in…

声音 · 计算机科学 2023-08-25 Kuan-Hsun Ho , En-Lun Yu , Jeih-weih Hung , Berlin Chen

EEG signals convey important information about brain activity both in healthy and pathological conditions. However, they are inherently noisy, which poses significant challenges for accurate analysis and interpretation. Traditional EEG…

机器学习 · 计算机科学 2025-02-14 David Aquilué-Llorens , Aureli Soria-Frisch

Electroencephalography (EEG) is highly susceptible to artifact contamination, such as electrooculographic (EOG) and electromyographic (EMG) interference, which severely degrades signal quality and hinders reliable interpretation in…

信号处理 · 电气工程与系统科学 2026-05-12 Phat Lam

Electroencephalogram (EEG) signals may get easily contaminated by muscle artifacts, which may lead to wrong interpretation in the brain--computer interface (BCI) system as well as in various medical diagnoses. The main objective of this…

信号处理 · 电气工程与系统科学 2022-04-15 Souvik Phadikar , Nidul Sinha , Rajdeep Ghosh , Ebrahim Ghaderpour

Image denoising or artefact removal using deep learning is possible in the availability of supervised training dataset acquired in real experiments or synthesized using known noise models. Neither of the conditions can be fulfilled for…

图像与视频处理 · 电气工程与系统科学 2020-11-23 Suyog Jadhav , Sebastian Acuña , Krishna Agarwal , Dilip K. prasad

Jointly training a speech enhancement (SE) front-end and an automatic speech recognition (ASR) back-end has been investigated as a way to mitigate the influence of \emph{processing distortion} generated by single-channel SE on ASR. In this…

音频与语音处理 · 电气工程与系统科学 2023-11-21 Kazuma Iwamoto , Tsubasa Ochiai , Marc Delcroix , Rintaro Ikeshita , Hiroshi Sato , Shoko Araki , Shigeru Katagiri

Electroencephalogram (EEG) recordings are often contaminated with artifacts. Various methods have been developed to eliminate or weaken the influence of artifacts. However, most of them rely on prior experience for analysis. Here, we…

机器学习 · 计算机科学 2022-02-22 Junjie Yu , Chenyi Li , Kexin Lou , Chen Wei , Quanying Liu

Intracranial EEG (iEEG) provides high-fidelity neural recordings essential for clinical and brain-computer interface applications, but acquiring these signals requires invasive surgery. While recent studies have attempted to estimate iEEG…

信号处理 · 电气工程与系统科学 2026-05-20 Tien-Dat Pham , Xuan-The Tran

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

Electroencephalogram (EEG) signals are frequently used in brain-computer interfaces (BCIs), but they are easily contaminated by artifacts and noises, so preprocessing must be done before they are fed into a machine learning algorithm for…

机器学习 · 计算机科学 2020-03-31 Dongrui Wu , Jung-Tai King , Chun-Hsiang Chuang , Chin-Teng Lin , Tzyy-Ping Jung

Sparse reconstruction is an important aspect of MRI, helping to reduce acquisition time and improve spatial-temporal resolution. Popular methods are based mostly on compressed sensing (CS), which relies on the random sampling of k-space to…

图像与视频处理 · 电气工程与系统科学 2023-10-17 Marlon E. Bran Lorenzana , Shekhar S. Chandra , Feng Liu
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