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Public Motor Imagery-based brain-computer interface (BCI) datasets are being used to develop increasingly good classifiers. However, they usually follow discrete paradigms where participants perform Motor Imagery at regularly timed…

信号处理 · 电气工程与系统科学 2024-03-26 Ivo Pascal de Jong , Lüke Luna van den Wittenboer , Matias Valdenegro-Toro , Andreea Ioana Sburlea

The construction of large-scale, high-quality datasets is a fundamental prerequisite for developing robust and generalizable foundation models in motor imagery (MI)-based brain-computer interfaces (BCIs). However, EEG signals collected from…

计算工程、金融与科学 · 计算机科学 2025-06-16 Dingkun Liu , Zhu Chen , Dongrui Wu

Developments in Brain Computer Interfaces (BCIs) are empowering those with severe physical afflictions through their use in assistive systems. Common methods of achieving this is via Motor Imagery (MI), which maps brain signals to code for…

信号处理 · 电气工程与系统科学 2020-05-28 Abdul Moeed

Brain-Computer Interfaces (BCIs) rely on accurately decoding electroencephalography (EEG) motor imagery (MI) signals for effective device control. Graph Neural Networks (GNNs) outperform Convolutional Neural Networks (CNNs) in this regard,…

信号处理 · 电气工程与系统科学 2024-05-03 Htoo Wai Aung , Jiao Jiao Li , Yang An , Steven W. Su

Speech-related Brain Computer Interfaces (BCI) aim primarily at finding an alternative vocal communication pathway for people with speaking disabilities. As a step towards full decoding of imagined speech from active thoughts, we present a…

机器学习 · 计算机科学 2019-04-10 Pramit Saha , Muhammad Abdul-Mageed , Sidney Fels

Deep neural networks for learning Symmetric Positive Definite (SPD) matrices are gaining increasing attention in machine learning. Despite the significant progress, most existing SPD networks use traditional Euclidean classifiers on an…

机器学习 · 计算机科学 2024-03-21 Ziheng Chen , Yue Song , Gaowen Liu , Ramana Rao Kompella , Xiaojun Wu , Nicu Sebe

A brain-computer interface (BCI) based on the motor imagery (MI) paradigm translates one's motor intention into a control signal by classifying the Electroencephalogram (EEG) signal of different tasks. However, most existing systems either…

数据结构与算法 · 计算机科学 2020-07-27 Eitan Netzer , Alex Frid , Dan Feldman

Decoding motor imagery (MI) electroencephalogram (EEG) signals, a key non-invasive brain-computer interface (BCI) paradigm for controlling external systems, has been significantly advanced by deep learning. However, cross-subject MI-EEG…

机器学习 · 计算机科学 2026-03-26 Jinzhou Wu , Baoping Tang , Qikang Li , Yi Wang , Cheng Li , Shujian Yu

An electroencephalography (EEG) based Brain Computer Interface (BCI) enables people to communicate with the outside world by interpreting the EEG signals of their brains to interact with devices such as wheelchairs and intelligent robots.…

人机交互 · 计算机科学 2017-09-27 Xiang Zhang , Lina Yao , Quan Z. Sheng , Salil S. Kanhere , Tao Gu , Dalin Zhang

A Brain Computer Interface (BCI) connects the human brain to the outside world, providing a direct communication channel. Electroencephalography (EEG) signals are commonly used in BCIs to reflect cognitive patterns related to motor function…

机器学习 · 计算机科学 2025-11-19 Abdullah Al Shiam , Md. Khademul Islam Molla , Abu Saleh Musa Miah , Md. Abdus Samad Kamal

Cross-subject motor imagery (CS-MI) classification in brain-computer interfaces (BCIs) is a challenging task due to the significant variability in Electroencephalography (EEG) patterns across different individuals. This variability often…

机器学习 · 计算机科学 2025-07-04 Ahmed G. Habashi , Ahmed M. Azab , Seif Eldawlatly , Gamal M. Aly

What is the shortest path between two data points lying in a high-dimensional space? While the answer is trivial in Euclidean geometry, it becomes significantly more complex when the data lies on a curved manifold -- requiring a Riemannian…

机器学习 · 计算机科学 2025-11-04 Louis Béthune , David Vigouroux , Yilun Du , Rufin VanRullen , Thomas Serre , Victor Boutin

Motor imagery (MI)-based brain-computer interface (BCI) systems are being increasingly employed to provide alternative means of communication and control for people suffering from neuro-motor impairments, with a special effort to bring…

机器学习 · 计算机科学 2022-04-11 Alberto Zancanaro , Giulia Cisotto , João Ruivo Paulo , Gabriel Pires , Urbano J. Nunes

Brain computer interfaces (BCI) enable direct communication with a computer, using neural activity as the control signal. This neural signal is generally chosen from a variety of well-studied electroencephalogram (EEG) signals. For a given…

The electroencephalogram (EEG) is the most widely used input for brain computer interfaces (BCIs), and common spatial pattern (CSP) is frequently used to spatially filter it to increase its signal-to-noise ratio. However, CSP is a…

人机交互 · 计算机科学 2018-08-20 He He , Dongrui Wu

Elliptically-contoured distributions (ECD) play a significant role, in computer vision, image processing, radar, and biomedical signal processing. Maximum likelihood. estimation (MLE) of ECD leads to a system of non-linear equations,…

信号处理 · 电气工程与系统科学 2020-11-06 Jialun Zhou , Salem Said , Yannick Berthoumieu

Motor imagery EEG classification plays a crucial role in non-invasive Brain-Computer Interface (BCI) research. However, the classification is affected by the non-stationarity and individual variations of EEG signals. Simply pooling EEG data…

信号处理 · 电气工程与系统科学 2023-11-10 Xiao-Cong Zhong , Qisong Wang , Dan Liu , Zhihuang Chen , Jing-Xiao Liao , Jinwei Sun , Yudong Zhang , Feng-Lei Fan

Restricted Boltzmann machines (RBMs) and their extensions, called 'deep-belief networks', are powerful neural networks that have found applications in the fields of machine learning and artificial intelligence. The standard way to training…

机器学习 · 计算机科学 2018-10-25 Haik Manukian , Fabio L. Traversa , Massimiliano Di Ventra

The cross-subject application of EEG-based brain-computer interface (BCI) has always been limited by large individual difference and complex characteristics that are difficult to perceive. Therefore, it takes a long time to collect the…

机器学习 · 计算机科学 2021-02-10 Yonghao Song , Lie Yang , Xueyu Jia , Longhan Xie

Covariance matrices have proven highly effective across many scientific fields. Since these matrices lie within the Symmetric Positive Definite (SPD) manifold - a Riemannian space with intrinsic non-Euclidean geometry, the primary challenge…

机器学习 · 计算机科学 2025-04-02 Rui Wang , Shaocheng Jin , Ziheng Chen , Xiaoqing Luo , Xiao-Jun Wu