基于带选择滤波器组的P300视觉拼写增强P300检测

IF 5.6 4区医学 Q1 ENGINEERING, BIOMEDICAL Irbm Pub Date : 2023-06-01 DOI:10.1016/j.irbm.2022.100751

C.F. Blanco-Díaz, C.D. Guerrero-Méndez, A.F. Ruiz-Olaya

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引用次数: 2

摘要

背景:基于p300的脑机接口系统面临的一个公开挑战集中在使用较少的试验次数和足够的分类率来识别ERP信号。方法:提出了基于滤波器组和典型相关分析(CCA)的三种新方法，通过减少试验次数来识别P300 erp。采用两种免费的基于6x6拼写的EEG数据集对所提出的方法进行了评估，并与5种标准方法(Mean-Amplitude, Step-Wise, Principal Component Analysis, Peak, CCA)进行了比较。结果:在单次试验中，该方法的最大AUC分别为0.93和0.98，平均AUC分别为0.73和0.76，显著优于标准的P300识别算法。结论:本文提出的基于Filter Bank的方法对P300的识别具有鲁棒性，减少了试验次数，可用于实时BCI拼写器的康复工程。

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Enhancing P300 Detection Using a Band-Selective Filter Bank for a Visual P300 Speller

Background: An open challenge of P300-based BCI systems focuses on recognizing ERP signals using a reduced number of trials with enough classification rate.

Methods: Three novel methods based on Filter Bank and Canonical Correlation Analysis (CCA) are proposed for the recognition of P300 ERPs using a reduced number of trials. The proposed methods were evaluated with two freely available EEG datasets based on 6x6 speller and were compared with five standard methods: Mean-Amplitude, Step-Wise, Principal Component Analysis, Peak, and CCA.

Results: The proposed methods outperform significantly standard algorithms for P300 identification with a maximum AUC of 0.93 and 0.98, and an average of 0.73 and 0.76, using a single trial.

Conclusion: Proposed methods based on Filter Bank are robust for the identification of P300 using a reduced number of trials, which could be used in real-time BCI spellers for rehabilitation engineering.

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来源期刊

Irbm ENGINEERING, BIOMEDICAL-

CiteScore

10.30

自引率

4.20%

发文量

审稿时长

57 days

期刊介绍： IRBM is the journal of the AGBM (Alliance for engineering in Biology an Medicine / Alliance pour le génie biologique et médical) and the SFGBM (BioMedical Engineering French Society / Société française de génie biologique médical) and the AFIB (French Association of Biomedical Engineers / Association française des ingénieurs biomédicaux). As a vehicle of information and knowledge in the field of biomedical technologies, IRBM is devoted to fundamental as well as clinical research. Biomedical engineering and use of new technologies are the cornerstones of IRBM, providing authors and users with the latest information. Its six issues per year propose reviews (state-of-the-art and current knowledge), original articles directed at fundamental research and articles focusing on biomedical engineering. All articles are submitted to peer reviewers acting as guarantors for IRBM''s scientific and medical content. The field covered by IRBM includes all the discipline of Biomedical engineering. Thereby, the type of papers published include those that cover the technological and methodological development in: -Physiological and Biological Signal processing (EEG, MEG, ECG…)- Medical Image processing- Biomechanics- Biomaterials- Medical Physics- Biophysics- Physiological and Biological Sensors- Information technologies in healthcare- Disability research- Computational physiology- …