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Study on EEG Signal Processing for Visual P300-Speller

机译：Visual P300-Speller的脑电信号处理研究

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摘要

In recent years,the patients with motor dysfunction have become a special social group with increasing number that needs more concerns and cares.Aimed at designing a new brain-computer interface for such patients,this paper proposed a visual P300-speller system with a matrix containing letters and numbers and developed its EEG signal processing algorithm.ABSVM-RFE method was used for channel selection to shorten time of calculations.The proposed system has been validated through offline and online experiments.The highest accuracy of the offline experiments was 99％.In the online tests,EEG data were analysed using only one channel with three subjects and the system achieved a data transfer rate of 7.27 bits/min with a highest accuracy of 80％.It may provide technique support for the effective exploration of voluntary information output channels for those severe disables.
机译：近年来，运动功能障碍患者已成为越来越多的特殊社会群体，需要更多的关注和照顾。针对针对此类患者的新型脑机界面设计，本文提出了一种具有矩阵的可视化P300-Speller系统包含字母和数字，并开发了其EEG信号处理算法。使用ABSVM-RFE方法进行频道选择，以缩短计算时间。该系统已通过离线和在线实验验证，离线实验的最高准确性为99％。在在线测试中，仅使用三个对象的一个​​通道就对EEG数据进行了分析，系统实现了7.27比特/分钟的数据传输速率，最高准确率达80％，为有效探索自愿信息输出提供了技术支持。那些严重残疾的渠道。

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  • 来源
  • 会议地点 Tianjin(CN)
  • 作者

    Long Chen; Dong Ming; Min-Peng Xu; Yu-Feng Ke; Nan-Nan Li; Hong-Zhi Qi; Bai-Kun Wan;

  • 作者单位

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

    College of Precision Instruments and Optoelectronics Engineering, Tianjin University, Tianjin 300072, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 TH15;
  • 关键词

    motor dysfunction; brain-controlled; virtual keyboard; visual P300-speller;

    机译：运动功能障碍;大脑控制;虚拟键盘;可视P300-叶轮;

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