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Electroencephalography (EEG) and magnetoencephalography (MEG) play important and complementary roles in non-invasive brain-computer interface (BCI) decoding. However, compared to the low cost and portability of EEG, MEG is more expensive…

信号处理 · 电气工程与系统科学 2026-02-10 Zhuo Li , Shuqiang Wang

Brain-Computer interfaces (BCIs) play a significant role in easing neuromuscular patients on controlling computers and prosthetics. Due to their high signal-to-noise ratio, steady-state visually evoked potentials (SSVEPs) has been widely…

Motor imagery (MI) classification using electroencephalography (EEG) signals is essential for advancing brain-computer interfaces (BCIs). Traditional EEG channel selection methods often face limitations, such as dependency on…

人机交互 · 计算机科学 2026-05-29 Dekka Muni Kumar , Dhruba Jyoti Kalita , Yogesh Kumar Meena

Deep neural networks (DNNs) are observed to be successful in pattern classification. However, high classification performances of DNNs are related to their large training sets. Unfortunately, in the literature, the datasets used to classify…

机器学习 · 计算机科学 2021-03-23 Zumray Dokur , Tamer Olmez

For many years now, understanding the brain mechanism has been a great research subject in many different fields. Brain signal processing and especially electroencephalogram (EEG) has recently known a growing interest both in academia and…

神经元与认知 · 定量生物学 2022-04-18 Victor Delvigne , Hazem Wannous , Jean-Philippe Vandeborre , Laurence Ris , Thierry Dutoit

Inverse problems can be described as limited-data problems in which the signal of interest cannot be observed directly. A physics-based forward model that relates the signal with the observations is typically needed. Unfortunately, unknown…

信号处理 · 电气工程与系统科学 2025-07-08 Alexandra Koulouri , Ville Rimpilainen

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

The use of Automatic speech recognition (ASR) interfaces have become increasingly popular in daily life for use in interaction and control of electronic devices. The interfaces currently being used are not feasible for a variety of users…

信号处理 · 电气工程与系统科学 2022-03-30 Ayush Tripathi

Brain-Computer Interfaces (BCIs) based on Steady State Visually Evoked Potentials (SSVEPs) have proven effective and provide significant accuracy and information-transfer rates. This family of strategies, however, requires external devices…

信号处理 · 电气工程与系统科学 2022-04-26 Arturo Micheli , Davide Consoli , Adrien Merlini , Paolo Ricci , Francesco P. Andriulli

Across- and within-recording variabilities in electroencephalographic (EEG) activity is a major limitation in EEG-based brain-computer interfaces (BCIs). Specifically, gradual changes in fatigue and vigilance levels during long EEG…

人机交互 · 计算机科学 2019-07-24 Ozan Ozdenizci , Barry Oken , Tab Memmott , Melanie Fried-Oken , Deniz Erdogmus

The electroencephalography (EEG) signal is a non-stationary, stochastic, and highly non-linear bioelectric signal for which achieving high classification accuracy is challenging, especially when the number of subjects is limited. As…

信号处理 · 电气工程与系统科学 2021-08-03 Xiangyun Li , Peng Chen , Zhanpeng Bao

In the application of brain-computer interface (BCI), while pursuing accurate decoding of brain signals, we also need consider the computational efficiency of BCI devices. ECoG signals are multi-channel temporal signals which is collected…

数值分析 · 数学 2024-12-24 Changqing Ji , Keisuke Kawasaki , Isao Hasegawa , Takayuki Okatani

To address the issue of limited channels and insufficient information collection in portable EEG devices, this study explores an EEG virtual channel signal generation network using a novel spatio-temporal feature fusion strategy. Based on…

信号处理 · 电气工程与系统科学 2025-09-25 Shangqing Yuan , Wenshuang Zhai , Shengwen Guo

Dealing with irregular domains, graph signal processing (GSP) has attracted much attention especially in brain imaging analysis. Motor imagery tasks are extensively utilized in brain-computer interface (BCI) systems that perform…

信号处理 · 电气工程与系统科学 2022-01-25 Maliheh Miri , Vahid Abootalebi , Hamid Behjat

Designing a feedback that helps participants to achieve higher performances is an important concern in brain-computer interface (BCI) research. In a pilot study, we demonstrate how a congruent auditory feedback could improve classification…

Understanding and decoding brain activity from electroencephalography (EEG) signals is a fundamental challenge in neuroscience and AI, with applications in cognition, emotion recognition, diagnosis, and brain-computer interfaces. While…

人机交互 · 计算机科学 2025-07-01 Yuchen Zhou , Jiamin Wu , Zichen Ren , Zhouheng Yao , Weiheng Lu , Kunyu Peng , Qihao Zheng , Chunfeng Song , Wanli Ouyang , Chao Gou

Motor imagery (MI) based brain-computer interfaces (BCIs) enable the direct control of external devices through the imagined movements of various body parts. Unlike previous systems that used fixed-length EEG trials for MI decoding,…

人机交互 · 计算机科学 2024-12-13 Huanyu Wu , Siyang Li , Dongrui Wu

Motor imagery classification based on electroencephalography (EEG) signals is one of the most important brain-computer interface applications, although it needs further improvement. Several methods have attempted to obtain useful…

计算机视觉与模式识别 · 计算机科学 2024-03-08 Takuto Fukushima , Ryusuke Miyamoto

Recently, practical brain-computer interface is actively carried out, especially, in an ambulatory environment. However, the electroencephalography (EEG) signals are distorted by movement artifacts and electromyography signals when users…

人机交互 · 计算机科学 2021-03-04 Young-Eun Lee , Seong-Whan Lee

Electroencephalogram (EEG)-based brain-computer interfaces (BCIs) face significant deployment challenges due to inter-subject variability, signal non-stationarity, and computational constraints. While test-time adaptation (TTA) mitigates…

人机交互 · 计算机科学 2026-01-13 Siyang Li , Jiayi Ouyang , Zhenyao Cui , Ziwei Wang , Tianwang Jia , Feng Wan , Dongrui Wu