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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

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…

In this paper, we conduct a detailed investigation on the effect of independent component (IC)-based noise rejection methods in neural network classifier-based decoding of electroencephalography (EEG) data in different task datasets. We…

人机交互 · 计算机科学 2026-05-08 Taeho Kang , Yiyu Chen , Christian Wallraven

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

Brain-computer interface (BCI) technology enables direct interaction between humans and computers by analyzing brain signals. Electroencephalogram (EEG) is one of the non-invasive tools used in BCI systems, providing high temporal…

信号处理 · 电气工程与系统科学 2024-11-18 Hyeon-Taek Han , Dae-Hyeok Lee , Heon-Gyu Kwak

Adapting models pre-trained on large-scale datasets is a proven way to reach strong performance quickly for down-stream tasks. However, the growth of state-of-the-art mod-els makes traditional full fine-tuning unsuitable and difficult,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Maxime Fontana , Michael Spratling , Miaojing Shi

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…

机器学习 · 计算机科学 2024-08-06 Hollan Haule , Ian Piper , Patricia Jones , Chen Qin , Tsz-Yan Milly Lo , Javier Escudero

Handling contaminated data poses a critical challenge in anomaly detection, as traditional models assume training on purely normal data. Conventional methods mitigate contamination by relying on fixed contamination ratios, but discrepancies…

机器学习 · 计算机科学 2025-11-27 Jungi Lee , Jungkwon Kim , Chi Zhang , Kwangsun Yoo , Seok-Joo Byun

Speculative Decoding is a prominent technique for accelerating the autoregressive inference of large language models (LLMs) by employing a fast draft model to propose candidate token sequences and a large target model to verify them in…

计算与语言 · 计算机科学 2025-12-18 Chendong Sun , Ali Mao , Lei Xu , mingmin Chen

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

Electroencephalogram (EEG) signals are highly susceptible to artifacts, resulting in a low signal-to-noise ratio which makes extraction of meaningful neural information challenging. Artifact Subspace Reconstruction (ASR) is one of the most…

信号处理 · 电气工程与系统科学 2026-05-15 Shantanu Sarkar , Jose L. Contreras-Vidal

Retrospective artifact correction (RAC) improves image quality post acquisition and enhances image usability. Recent machine learning driven techniques for RAC are predominantly based on supervised learning and therefore practical utility…

图像与视频处理 · 电气工程与系统科学 2021-10-12 Siyuan Liu , Kim-Han Thung , Liangqiong Qu , Weili Lin , Dinggang Shen , Pew-Thian Yap

We present an automated algorithm for unified rejection and repair of bad trials in magnetoencephalography (MEG) and electroencephalography (EEG) signals. Our method capitalizes on cross-validation in conjunction with a robust evaluation…

应用统计 · 统计学 2017-07-14 Mainak Jas , Denis A. Engemann , Yousra Bekhti , Federico Raimondo , Alexandre Gramfort

Image reconstruction-based anomaly detection models are widely explored in industrial visual inspection. However, existing models usually suffer from the trade-off between normal reconstruction fidelity and abnormal reconstruction…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Tongkun Liu , Bing Li , Xiao Du , Bingke Jiang , Leqi Geng , Feiyang Wang , Zhuo Zhao

Current AI systems excel at pattern recognition but fail at causal reasoning. We argue this is not an engineering limitation but reveals something fundamental about the nature of understanding itself. We propose that causal cognition…

系统与控制 · 电气工程与系统科学 2025-11-20 Ahmed Gamal Eldin

Human computer interaction (HCI) involves a multidisciplinary fusion of technologies, through which the control of external devices could be achieved by monitoring physiological status of users. However, physiological biosignals often vary…

信号处理 · 电气工程与系统科学 2020-09-29 Mo Han , Ozan Ozdenizci , Toshiaki Koike-Akino , Ye Wang , Deniz Erdogmus

An alternative pathway for the human brain to communicate with the outside world is by means of a brain computer interface (BCI). A BCI can decode electroencephalogram (EEG) signals of brain activities, and then send a command or an intent…

计算机视觉与模式识别 · 计算机科学 2019-07-31 Junhua Li , Zbigniew Struzik , Liqing Zhang , Andrzej Cichocki

Decoding of motor imagery (MI) from Electroencephalogram (EEG) is an important component of the Brain-Computer Interface (BCI) system that helps motor-disabled people interact with the outside world via external devices. The main issue in…

信号处理 · 电气工程与系统科学 2022-10-05 Souvik Phadikar , Nidul Sinha , Rajdeep Ghosh

Brain-computer interface (BCI) decodes brain signals to understand user intention and status. Because of its simple and safe data acquisition process, electroencephalogram (EEG) is commonly used in non-invasive BCI. One of EEG paradigms,…

人机交互 · 计算机科学 2020-02-05 Byeong-Hoo Lee , Ji-Hoon Jeong , Kyung-Hwan Shim , Dong-Joo Kim

Electrical impedance tomography (EIT) provides functional images of an electrical conductivity distribution inside the human body. Since the 1980s, many potential clinical applications have arisen using inexpensive portable EIT devices. EIT…

偏微分方程分析 · 数学 2017-03-07 Kyounghun Lee , Eung Je Woo , Jin Keun Seo
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