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Related papers: Enhanced motor imagery-based EEG classification us…

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In this work, we delve into the EEG classification task in the domain of visual brain decoding via two frameworks, involving two different learning paradigms. Considering the spatio-temporal nature of EEG data, one of our frameworks is…

Human-Computer Interaction · Computer Science 2024-08-12 Akanksha Sharma , Jyoti Nigam , Abhishek Rathore , Arnav Bhavsar

Riemannian geometry has been applied to Brain Computer Interface (BCI) for brain signals classification yielding promising results. Studying electroencephalographic (EEG) signals from their associated covariance matrices allows a mitigation…

Machine Learning · Computer Science 2021-02-11 Emmanuel K. Kalunga , Sylvain Chevallier , Quentin Barthelemy

Graph classification aims to categorise graphs based on their structure and node attributes. In this work, we propose to tackle this task using tools from graph signal processing by deriving spectral features, which we then use to design…

Machine Learning · Computer Science 2023-06-07 Felix L. Opolka , Yin-Cong Zhi , Pietro Liò , Xiaowen Dong

Classification of electroencephalogram (EEG) and electrocorticogram (ECoG) signals obtained during motor imagery (MI) has substantial application potential, including for communication assistance and rehabilitation support for patients with…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Shuntaro Suzuki , Shunya Nagashima , Masayuki Hirata , Komei Sugiura

Graph signal processing (GSP) is a prominent framework for analyzing signals on non-Euclidean domains. The graph Fourier transform (GFT) uses the combinatorial graph Laplacian matrix to reveal the spectral decomposition of signals in the…

Machine Learning · Computer Science 2024-06-13 Changhao Shi , Gal Mishne

A brain-computer interface (BCI) provides a direct communication pathway between user and external devices. Electroencephalogram (EEG) motor imagery (MI) paradigm is widely used in non-invasive BCI to obtain encoded signals contained user…

Signal Processing · Electrical Eng. & Systems 2020-02-05 Byeong-Hoo Lee , Ji-Hoon Jeong , Kyung-Hwan Shim , Seong-Whan Lee

In recent years, neuroscientists have been interested to the development of brain-computer interface (BCI) devices. Patients with motor disorders may benefit from BCIs as a means of communication and for the restoration of motor functions.…

Signal Processing · Electrical Eng. & Systems 2022-11-23 Zaineb Ajra , Binbin Xu , Gérard Dray , Jacky Montmain , Stephane Perrey

The effective representation, processing, analysis, and visualization of large-scale structured data, especially those related to complex domains such as networks and graphs, are one of the key questions in modern machine learning. Graph…

Machine Learning · Computer Science 2020-12-02 Xiaowen Dong , Dorina Thanou , Laura Toni , Michael Bronstein , Pascal Frossard

Achieving both accurate and interpretable classification of motor-imagery EEG remains a key challenge in brain-computer interface (BCI) research. In this paper, we compare a transparent fuzzy-reasoning approach (ANFIS-FBCSP-PSO) with a…

Machine Learning · Computer Science 2026-03-10 Farjana Aktar , Mohd Ruhul Ameen , Akif Islam , Md Ekramul Hamid

The common spatial pattern (CSP) approach is known as one of the most popular spatial filtering techniques for EEG classification in motor imagery (MI) based brain-computer interfaces (BCIs). However, it still suffers some drawbacks such as…

Signal Processing · Electrical Eng. & Systems 2023-03-13 Jinlong Dong , Milana Komosar , Johannes Vorwerk , Daniel Baumgarten , Jens Haueisen

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

Electroencephalography (EEG) is a tool that allows us to analyze brain activity with high temporal resolution. These measures, combined with deep learning and digital signal processing, are widely used in neurological disorder detection and…

Signal Processing · Electrical Eng. & Systems 2024-11-20 Isaac Ariza , Lorenzo J. Tardon , Ana M. Barbancho , Irene De-Torres , Isabel Barbancho

Modern imaging techniques for probing brain function, including functional Magnetic Resonance Imaging, intrinsic and extrinsic contrast optical imaging, and magnetoencephalography, generate large data sets with complex content. In this…

Neurons and Cognition · Quantitative Biology 2009-11-10 P. P. Mitra , B. Pesaran

The motor imagery (MI) classification has been a prominent research topic in brain-computer interfaces based on electroencephalography (EEG). Over the past few decades, the performance of MI-EEG classifiers has seen gradual enhancement. In…

Signal Processing · Electrical Eng. & Systems 2023-08-22 Ce Ju , Cuntai Guan

Research in Graph Signal Processing (GSP) aims to develop tools for processing data defined on irregular graph domains. In this paper we first provide an overview of core ideas in GSP and their connection to conventional digital signal…

Signal Processing · Electrical Eng. & Systems 2018-03-28 Antonio Ortega , Pascal Frossard , Jelena Kovačević , José M. F. Moura , Pierre Vandergheynst

Noninvasive brain computer interfaces (BCI), and more specifically Electroencephalography (EEG) based systems for intent detection need to compensate for the low signal to noise ratio of EEG signals. In many applications, the temporal…

Human-Computer Interaction · Computer Science 2017-03-09 Seyed Sadegh Mohseni Salehi , Mohammad Moghadamfalahi , Hooman Nezamfar , Marzieh Haghighi , Deniz Erdogmus

Towards developing effective and efficient brain-computer interface (BCI) systems, precise decoding of brain activity measured by electroencephalogram (EEG), is highly demanded. Traditional works classify EEG signals without considering the…

Signal Processing · Electrical Eng. & Systems 2022-09-19 Yimin Hou , Shuyue Jia , Xiangmin Lun , Ziqian Hao , Yan Shi , Yang Li , Rui Zeng , Jinglei Lv

This paper presents a graph signal processing algorithm to uncover the intrinsic low-rank components and the underlying graph of a high-dimensional, graph-smooth and grossly-corrupted dataset. In our problem formulation, we assume that the…

Image and Video Processing · Electrical Eng. & Systems 2018-01-09 Rui Liu , Hossein Nejati , Ngai-Man Cheung

Decoding gait dynamics from EEG signals presents significant challenges due to the complex spatial dependencies of motor processes, the need for accurate temporal and spectral feature extraction, and the scarcity of high-quality gait EEG…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Xi Fu , Rui Liu , Aung Aung Phyo Wai , Hannah Pulferer , Neethu Robinson , Gernot R Müller-Putz , Cuntai Guan

This paper explores the potential of brain-computer interfaces in segmenting objects from images. Our approach is centered around designing an effective method for displaying the image parts to the users such that they generate measurable…

Computer Vision and Pattern Recognition · Computer Science 2014-08-20 Eva Mohedano , Graham Healy , Kevin McGuinness , Xavier Giro-i-Nieto , Noel E. O'Connor , Alan F. Smeaton