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Brain-computer interface (BCI) is a practical pathway to interpret users' intentions by decoding motor execution (ME) or motor imagery (MI) from electroencephalogram (EEG) signals. However, developing a BCI system driven by ME or MI is…

Human-Computer Interaction · Computer Science 2021-12-16 Jeong-Hyun Cho , Byoung-Hee Kwon , Byeong-Hoo Lee , Seong-Whan Lee

Classification of EEG-based motor imagery (MI) is a crucial non-invasive application in brain-computer interface (BCI) research. This paper proposes a novel convolutional neural network (CNN) architecture for accurate and robust EEG-based…

Signal Processing · Electrical Eng. & Systems 2021-03-09 Ce Zhang , Young-Keun Kim , Azim Eskandarian

In this paper, we analyze spatial sampling of electro- (EEG) magnetoencephalography (MEG), where the electric or magnetic field is typically sampled on a curved surface such as the scalp. Using simulated measurements, we study the…

The efficacy of Electroencephalogram (EEG) classifiers can be augmented by increasing the quantity of available data. In the case of geometric deep learning classifiers, the input consists of spatial covariance matrices derived from EEGs.…

Signal Processing · Electrical Eng. & Systems 2023-12-18 Ce Ju , Reinmar Josef Kobler , Cuntai Guan

This article examined brain signals of people with disabilities using various signal processing methods to achieve the desired accuracy for utilizing brain-computer interfaces (BCI). EEG signals resulted from 5 mental tasks of word…

Human-Computer Interaction · Computer Science 2021-11-02 Fateme Dehrouye-Semnani , Nasrollah Moghada Charkari , Seyed Mohammad Mehdi Mirbagheri

Electroencephalography (EEG) classification plays a key role in brain-computer interface (BCI) systems, yet it remains challenging due to the low signal-to-noise ratio, temporal variability of neural responses, and limited data…

Artificial Intelligence · Computer Science 2026-03-17 Aryan Patodiya , Hubert Cecotti

In the application of brain-computer interface (BCI), being able to accurately decode brain signals is a critical task. For the multi-class classification task of brain signal ECoG, how to improve the classification accuracy is one of the…

Numerical Analysis · Mathematics 2025-01-07 Changqing Ji

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…

Computer Vision and Pattern Recognition · Computer Science 2024-03-08 Takuto Fukushima , Ryusuke Miyamoto

A brain--machine interface (BMI) based on motor imagery (MI) enables the control of devices using brain signals while the subject imagines performing a movement. It plays a vital role in prosthesis control and motor rehabilitation. To…

Signal Processing · Electrical Eng. & Systems 2024-09-20 Xiaying Wang , Michael Hersche , Michele Magno , Luca Benini

Brain-computer interface (BCI) technology enables direct communication between the brain and external devices through electroencephalography (EEG) signals. However, existing decoding models often mix common and personalized components,…

Neurons and Cognition · Quantitative Biology 2025-11-21 Xiaoyuan Li , Xinru Xue , Bohan Zhang , Ye Sun , Shoushuo Xi , Gang Liu

Brain-computer interfaces (BCIs) harness electroencephalographic signals for direct neural control of devices, offering a significant benefit for individuals with motor impairments. Traditional machine learning methods for EEG-based motor…

Human-Computer Interaction · Computer Science 2024-06-25 Wangdan Liao , Weidong Wang

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…

Signal Processing · Electrical Eng. & Systems 2024-03-26 Ivo Pascal de Jong , Lüke Luna van den Wittenboer , Matias Valdenegro-Toro , Andreea Ioana Sburlea

The non-stationary nature of electroencephalography (EEG) signals makes an EEG-based brain-computer interface (BCI) a dynamic system, thus improving its performance is a challenging task. In addition, it is well-known that due to…

Machine Learning · Computer Science 2018-05-04 Haider Raza , Dheeraj Rathee , ShangMing Zhou , Hubert Cecotti , Girijesh Prasad

Electroencephalographic signals are represented as multidimensional datasets. We introduce an enhancement to the augmented covariance method (ACM), exploiting more thoroughly its mathematical properties, in order to improve motor imagery…

Signal Processing · Electrical Eng. & Systems 2024-06-26 Igor Carrara , Theodore Papadopoulo

The key to electroencephalography (EEG)-based brain-computer interface (BCI) lies in neural decoding, and its accuracy can be improved by using hybrid BCI paradigms, that is, fusing multiple paradigms. However, hybrid BCIs usually require…

Machine Learning · Computer Science 2022-12-13 Wenwei Luo , Wanguang Yin , Quanying Liu , Youzhi Qu

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,…

Human-Computer Interaction · Computer Science 2020-02-05 Byeong-Hoo Lee , Ji-Hoon Jeong , Kyung-Hwan Shim , Dong-Joo Kim

The electroencephalography (EEG)-based motor imagery (MI) classification is a critical and challenging task in brain-computer interface (BCI) technology, which plays a significant role in assisting patients with functional impairments to…

Signal Processing · Electrical Eng. & Systems 2024-11-28 Wei Peng , Kang Liu , Jiaxi Shi , Jianchen Hu

Objective: To establish sub-scalp electroencephalography (EEG) as a viable option for brain-computer interface (BCI) applications, particularly for chronic use, by demonstrating its effectiveness in recording and classifying sensorimotor…

Signal Processing · Electrical Eng. & Systems 2025-07-02 Timothy B Mahoney , David B Grayden , Sam E John

Recent advances in deep learning have had a methodological and practical impact on brain-computer interface research. Among the various deep network architectures, convolutional neural networks have been well suited for…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Wonjun Ko , Eunjin Jeon , Seungwoo Jeong , Heung-Il Suk

Brain-computer interfaces (BCIs) have been gaining momentum in making human-computer interaction more natural, especially for people with neuro-muscular disabilities. Among the existing solutions the systems relying on electroencephalograms…