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首页> 外文会议>National Conference on Biomedical Engineering;International Iranian Conference on Biomedical Engineering >A Novel Auditory BCI for Spelling Persian Words
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A Novel Auditory BCI for Spelling Persian Words

机译：拼写波斯语单词的新型听觉​​BCI

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摘要

In this paper a novel auditory BCI paradigm based on P300 responses which are generated by auditory stimuli is proposed. In the proposed protocol, stimuli are different from each other and there is no need to repeat each single stimulus. Instead of that, a 30-word list containing different words as stimuli is played for the subject. Each letter is repeated in four different words of the list. Ensemble support vector machine and regularized linear discriminant analysis classifiers are used to evaluate the proposed protocol. The result of the offline classification of the P300 responses of one subject shows we can achieve accuracy and ITR of 88% and 3.51 bit/min for three iterations of the list (twelve repetitions of a letter).
机译：本文提出了一种基于听觉刺激产生的P300响应的新型听觉​​BCI范例。在提出的协议中，刺激彼此不同，因此无需重复每个刺激。取而代之的是，为该主题播放包含不同单词作为刺激的30个单词的列表。每个字母在列表的四个不同词中重复。集成支持向量机和正则化线性判别分析分类器用于评估所提出的协议。对一个受试者的P300响应进行脱机分类的结果表明，对于列表的三个迭代（十二个字母重复），我们可以实现88％的准确度和ITR和3.51位/分钟的ITR。

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