The 3D surface Laplacian filtration with integrated sampling error compensation

Jakub Stastny; Pavel Sovka

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The 3D surface Laplacian filtration with integrated sampling error compensation

机译：具有集成采样误差补偿的3D表面拉普拉斯滤波

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This work analyses the influence of the EEG recording sampling instants systematic time shift on the subsequent surface filtering. The theoretical model of the common mode (CM) signal rejection with a general surface filter is presented. Interpolation is proposed to align sampling instants. Promising results for two configurations commonly used in brain-computer interface (BCI) domain are shown. Suggested interpolation techniques might be generalized and used in any case when there is a sequentially sampled sensor array followed by any postprocessing.

机译：这项工作分析了脑电图记录采样瞬间系统时间偏移对后续表面滤波的影响。提出了具有通用表面滤波器的共模（CM）信号抑制的理论模型。建议使用插值来对齐采样时刻。显示了在脑机接口（BCI）域中常用的两种配置的有希望的结果。当存在顺序采样的传感器阵列并进行任何后处理时，建议的插值技术可能会被通用化并在任何情况下使用。

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来源
《Signal processing》 |2007年第1期|p.51-60|共10页
作者
Jakub Stastny; Pavel Sovka;
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作者单位

Department of Circuit Theory, College of Electrical Engineering, Czech Technical University, Technicka 2, Prague 166 27, Czech Republic;

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原文格式 PDF
正文语种 eng
中图分类通信;
关键词
surface laplacian filter; EEG processing; phase shift compensation; interpolation; 3D filter;

机译：表面拉普拉斯滤波器;EEG处理;相移补偿;插值;3D滤波器;

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The 3D surface Laplacian filtration with integrated sampling error compensation

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