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We consider the problem of extracting features from passive, multi-channel electroencephalogram (EEG) devices for downstream inference tasks related to high-level mental states such as stress and cognitive load. Our proposed method…

信号处理 · 电气工程与系统科学 2022-03-02 Guodong Chen , Hayden S. Helm , Kate Lytvynets , Weiwei Yang , Carey E. Priebe

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…

信号处理 · 电气工程与系统科学 2024-11-28 Wei Peng , Kang Liu , Jiaxi Shi , Jianchen Hu

Brain computer interfaces (BCI) depend on reliable realtime detection of conscious EEG changes for example to control a video game. However, scalp recordings are contaminated with non-stationary noise, such as facial muscle activity and eye…

信号处理 · 电气工程与系统科学 2023-07-04 Bernd Porr , Lucía Muñoz Bohollo

Brain-computer interface systems and the recording of brain activity has garnered significant attention across a diverse spectrum of applications. EEG signals have emerged as a modality for recording neural electrical activity. Among the…

信号处理 · 电气工程与系统科学 2024-05-03 M. Moein Esfahani , Hossein Sadati , Vince D Calhoun

Representation and classification of Electroencephalography (EEG) brain signals are critical processes for their analysis in cognitive tasks. Particularly, extraction of discriminative features from raw EEG signals, without any…

机器学习 · 计算机科学 2019-05-01 Emad-ul-Haq Qazi , Muhammad Hussain , Hatim Aboalsamh

Different functional areas of the human brain play different roles in brain activity, which has not been paid sufficient research attention in the brain-computer interface (BCI) field. This paper presents a new approach for…

信号处理 · 电气工程与系统科学 2019-04-29 Chuanqi Tan , Fuchun Sun , Tao Kong , Bin Fang , Wenchang Zhang

Brain-computer interface (BCI) is challenging to use in practice due to the inter/intra-subject variability of electroencephalography (EEG). The BCI system, in general, necessitates a calibration technique to obtain subject/session-specific…

信号处理 · 电气工程与系统科学 2022-04-18 Serkan Musellim , Dong-Kyun Han , Ji-Hoon Jeong , Seong-Whan Lee

In recent years, deep learning-based feature representation methods have shown a promising impact in electroencephalography (EEG)-based brain-computer interface (BCI). Nonetheless, owing to high intra- and inter-subject variabilities, many…

机器学习 · 计算机科学 2020-08-24 Eunjin Jeon , Wonjun Ko , Jee Seok Yoon , Heung-Il Suk

A brain-computer interface (BCI) based on electroencephalography (EEG) can be useful for rehabilitation and the control of external devices. Five grasping tasks were decoded for motor execution (ME) and motor imagery (MI). During this…

人机交互 · 计算机科学 2022-12-15 Jeong-Hyun Cho , Byoung-Hee Kwon , Byeong-Hoo Lee

Consumer-grade electroencephalography (EEG) devices show promise for Brain-Computer Interface (BCI) applications, but their efficacy in detecting subtle cognitive states remains understudied. We developed a comprehensive study paradigm…

人机交互 · 计算机科学 2025-06-04 Matthew Russell , Samuel Youkeles , William Xia , Kenny Zheng , Aman Shah , Robert J. K. Jacob

Brain-Computer Interfaces (BCIs) based on Motor Execution (ME) and Motor Imagery (MI) electroencephalogram (EEG) signals offer a direct pathway for human-machine interaction. However, developing robust decoding models remains challenging…

信号处理 · 电气工程与系统科学 2025-12-02 Yiqiao Chen , Zijian Huang , Juchi He , Fazheng Xu , Zhenghui Feng

Brain-computer interfaces (BCIs), particularly the P300 BCI, facilitate direct communication between the brain and computers. The fundamental statistical problem in P300 BCIs lies in classifying target and non-target stimuli based on…

应用统计 · 统计学 2024-02-16 Bangyao Zhao , Jane E. Huggins , Jian Kang

Objective: This paper targets a major challenge in developing practical EEG-based brain-computer interfaces (BCIs): how to cope with individual differences so that better learning performance can be obtained for a new subject, with minimum…

机器学习 · 计算机科学 2019-04-03 He He , Dongrui Wu

Electroencephalography (EEG) signals reflect activities on certain brain areas. Effective classification of time-varying EEG signals is still challenging. First, EEG signal processing and feature engineering are time-consuming and highly…

人机交互 · 计算机科学 2019-08-27 Xiang Zhang , Lina Yao , Xianzhi Wang , Wenjie Zhang , Shuai Zhang , Yunhao Liu

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

Intracranial EEG (iEEG) recording, characterized by high spatial and temporal resolution and superior signal-to-noise ratio (SNR), enables the development of precise brain-computer interface (BCI) systems for neural decoding. However, the…

人机交互 · 计算机科学 2025-12-09 Maryam Ostadsharif Memar , Navid Ziaei , Behzad Nazari

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…

Brain-Computer Interface (BCI) is a system empowering humans to communicate with or control the outside world with exclusively brain intentions. Electroencephalography (EEG) based BCIs are promising solutions due to their convenient and…

人机交互 · 计算机科学 2021-06-11 Dalin Zhang , Lina Yao , Xiang Zhang , Sen Wang , Weitong Chen , Robert Boots

Speeding up the spelling in event-related potentials (ERP) based Brain-Computer Interfaces (BCI) requires eliciting strong brain responses in a short span of time, as much as the accurate classification of such evoked potentials remains…

信号处理 · 电气工程与系统科学 2022-11-21 Okba Bekhelifi , Nasr-Eddine Berrached

Brain-computer interface (BCI) speech decoding has emerged as a promising tool for assisting individuals with speech impairments. In this context, the integration of electroencephalography (EEG) and electromyography (EMG) signals offers…

声音 · 计算机科学 2025-11-17 Yifan Zhuang , Calvin Huang , Zepeng Yu , Yongjie Zou , Jiawei Ju