一种基于Transformer脑区时序分析的DRDS脑电信号识别方法

本发明公开了一种基于Transformer脑区时序分析的DRDS脑电信号识别方法,涉及脑电信号识别技术领域。本发明包括如下步骤:对受试者的EEG数据进行预处理,将预处理后的EEG信号进行切片,作为网络的输入样本;使用时间卷积和维度变换提取EEG信号的特征,将提取的特征送入包含Transformer Encoder结构的脑区Transformer模块提取空间特征;将空间特征进行转置,送入包含Transformer Encoder结构的时序Transformer模块进行全局自注意力特征提取,提取时序特征;构建时空多尺度卷积融合模块,得到高级EEG时空特征,完成EEG信号的分类。本发明有效地利用了脑...

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LanguageChinese
Published 17.05.2024
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Summary:本发明公开了一种基于Transformer脑区时序分析的DRDS脑电信号识别方法,涉及脑电信号识别技术领域。本发明包括如下步骤:对受试者的EEG数据进行预处理,将预处理后的EEG信号进行切片,作为网络的输入样本;使用时间卷积和维度变换提取EEG信号的特征,将提取的特征送入包含Transformer Encoder结构的脑区Transformer模块提取空间特征;将空间特征进行转置,送入包含Transformer Encoder结构的时序Transformer模块进行全局自注意力特征提取,提取时序特征;构建时空多尺度卷积融合模块,得到高级EEG时空特征,完成EEG信号的分类。本发明有效地利用了脑电信号电极之间的空间联系,充分挖掘上下文之间的时序信息,提高了分类准确率。 The invention discloses a DRDS electroencephalogram signal recognition method based on Transform brain region time sequence analysis, and relates to the technical field of electroencephalogram signal recognition. The method comprises the following steps: preprocessing EEG data of a subject, and slicing the preprocessed EEG signal as an input sample of a network; the method comprises the following steps: extracting features of an EEG signal by using time convolution and dimension transformation, and sending the extracted features into a brain region Transform module containing a Transform Encoder structure to extract spatial features; the spatial features are transposed, the tra
Bibliography:Application Number: CN202211588317