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METHOD OF PROCESSING DATA FOR FILTERING ARTIFACTS, ESPECIALLY ADAPTED TO ELECTROENCEPHALOGRAPHY

机译:处理数据的方法,特别适用于电子照相术

摘要

The subject of the present invention relates to a method of processing at least one multichannel signal (X) decomposed, over a plurality of time-frequency windows (P), into a plurality of multichannel signals (X j), said signal multichannels (X) resulting from a linear combination of at least one main signal (sp) from the measurement of data from a main data source (S) and at least one secondary signal (ss) from the measurement of data from a secondary data source (B) corresponding to at least one artifact, said method comprising at least one learning step (S0) comprising a comparative multicomponent analysis (CMA) including a comparison of an index, preferably representative of the power, of said signal (X) over two distinct time-frequency windows (P and P) so as to separate the components (w) of the main signal (sp) from the components of at least a part of the signal secondary (Ss).
机译:本发明的主题涉及一种处理至少一个在多个时频窗口(P)上分解成多个多通道信号(X j)的多通道信号(X)的方法,所述信号多通道(X) )由来自一个主数据源(S)的数据测量的至少一个主信号(sp)和来自一个辅助数据源(B)的数据测量的至少一个辅助信号(ss)的线性组合得出对应于至少一个伪像,所述方法包括至少一个学习步骤(S0),所述学习步骤包括比较多分量分析(CMA),所述比较多分量分析包括在两个不同的时间上比较所述信号(X)的指标(优选代表功率)的比较。频率窗口(P和P),以便将主信号(sp)的分量(w)与次级信号(Ss)的至少一部分的分量分开。

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