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Author:

李明爱 (李明爱.) (Scholars:李明爱) | 张梦 (张梦.) | 孙炎珺 (孙炎珺.)

Indexed by:

CQVIP PKU CSCD

Abstract:

针对运动想象脑电信号(motor imagery electroencephalography,MI-EEG)的时变性、个体差异性等特点,提出一种将小波包变换(wavelet packet transform,WPT)与深度信念网络(deep belief networks,DBN)相结合的脑电特征自动提取方法,记为WD法。首先,利用平均功率谱方法对MI-EEG进行时域分析,选取有效的时序段。其次,使用WPT对有效时域段的各导MI-EEG进行时频分解,并选取与想象任务相关的频段信息重构脑电信号;然后,将各导重构MI-EEG串接,并将其瞬时功率信号输入给DBN模型实现特征自动提取。最后,利用So...

Keyword:

Softmax分类器 深度信念网络 运动想象脑电信号 小波包变换 Dropout

Author Community:

  • [ 1 ] 北京工业大学信息学部自动化学院

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Source :

电子测量与仪器学报

Year: 2018

Issue: 01

Volume: 32

Page: 111-118

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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