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Objective. EEG data collected during fMRI acquisition are contaminated with MRI gradients and ballistocardiogram (BCG) artifacts, in addition to artifacts of physiological origin. There have been several attempts for reducing these…

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,…

信号处理 · 电气工程与系统科学 2019-03-20 Subhrajit Roy

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

Electroencephalography (EEG) is an objective tool for emotion recognition and shows promising performance. However, the label scarcity problem is a main challenge in this field, which limits the wide application of EEG-based emotion…

信号处理 · 电气工程与系统科学 2024-09-02 Rushuang Zhou , Weishan Ye , Zhiguo Zhang , Yanyang Luo , Li Zhang , Linling Li , Gan Huang , Yining Dong , Yuan-Ting Zhang , Zhen Liang

Diffusion-based speech enhancement (SE) achieves natural-sounding speech and strong generalization, yet suffers from key limitations like generative artifacts and high inference latency. In this work, we systematically study artifact…

In diffusion and flow-matching generative models, guidance techniques are widely used to improve sample quality and consistency. Classifier-free guidance (CFG) is the de facto choice in modern systems and achieves this by contrasting…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Ankit Yadav , Ta Duc Huy , Lingqiao Liu

Objective: To investigate the effects of different approaches to EEG preprocessing, channel montage selection, and model architecture on the performance of an online-capable stress detection algorithm in a classroom scenario. Methods: This…

神经元与认知 · 定量生物学 2024-05-21 Chi-Yuan Chang , Chieh Hsu , Ying Choon Wu , Siwen Wang , Darin Tsui , Tzyy-Ping Jung

Electroencephalography (EEG) has countless applications across many of fields. However, EEG applications are limited by low signal-to-noise ratios. Multiple types of artifacts contribute to the noisiness of EEG, and many techniques have…

信号处理 · 电气工程与系统科学 2021-06-25 S Sadiya , T Alhanai , MM Ghassemi

Electroencephalography (EEG) data are difficult to obtain due to complex experimental setups and reduced comfort with prolonged wearing. This poses challenges to train powerful deep learning model with the limited EEG data. Being able to…

图像与视频处理 · 电气工程与系统科学 2020-07-02 Sharaj Panwar , Paul Rad , Tzyy-Ping Jung , Yufei Huang

Electroencephalography (EEG) is a widely used, non-invasive method for capturing brain activity, and is particularly relevant for applications in Brain-Computer Interfaces (BCI). However, collecting high-quality EEG data remains a major…

信号处理 · 电气工程与系统科学 2025-10-22 Henrique de Lima Alexandre , Clodoaldo Aparecido de Moraes Lima

EEG recordings contain rich information about neural activity but are subject to artifacts, noise, and superficial differences due to sensors, amplifiers, and filtering. Independent component analysis and automatic labeling of independent…

机器学习 · 计算机科学 2025-12-05 Austin Meek , Carlos H. Mendoza-Cardenas , Austin J. Brockmeier

Human electroencephalography (EEG) is a brain monitoring modality that senses cortical neuroelectrophysiological activity in high-temporal resolution. One of the greatest challenges posed in applications of EEG is the unstable signal…

信号处理 · 电气工程与系统科学 2024-02-22 Pin-Hua Lai , Bo-Shan Wang , Wei-Chun Yang , Hsiang-Chieh Tsou , Chun-Shu Wei

This study introduces a WaveNet-based deep learning model designed to automate the classification of intracranial electroencephalography (iEEG) signals into physiological activity, pathological (epileptic) activity, power-line noise, and…

机器学习 · 计算机科学 2026-01-14 Casper van Laar , Khubaib Ahmed

Windowing is a common technique in EEG machine learning classification and other time series tasks. However, a challenge arises when employing this technique: computational expense inhibits learning global relationships across an entire…

信号处理 · 电气工程与系统科学 2024-01-22 Yixuan Zhu , Rohan Kandasamy , Luke J. W. Canham , David Western

Reconstructing visual stimuli from EEG signals is a crucial step in realizing brain-computer interfaces. In this paper, we propose a transformer-based EEG signal encoder integrating the Discrete Wavelet Transform (DWT) and the gating…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Enshang Zhang , Zhicheng Zhang , Takashi Hanakawa

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

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…

信号处理 · 电气工程与系统科学 2025-03-18 Lu Wang-Nöth , Philipp Heiler , Hai Huang , Daniel Lichtenstern , Alexandra Reichenbach , Luis Flacke , Linus Maisch , Helmut Mayer

Semantic segmentation takes pivotal roles in various applications such as autonomous driving and medical image analysis. When deploying segmentation models in practice, it is critical to test their behaviors in varied and complex scenes in…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Zijin Yin , Bing Li , Kongming Liang , Hao Sun , Zhongjiang He , Zhanyu Ma , Jun Guo

Recent generative models show impressive results in photo-realistic image generation. However, artifacts often inevitably appear in the generated results, leading to downgraded user experience and reduced performance in downstream tasks.…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Yueqin Yin , Lianghua Huang , Yu Liu , Kaiqi Huang

Electroencephalography (EEG) reflects the brain's functional state, making it a crucial tool for diverse detection applications like seizure detection and sleep stage classification. While deep learning-based approaches have recently shown…

机器学习 · 计算机科学 2025-10-07 Kerui Wu , Ziyue Zhao , Bülent Yener