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An efficient method for quantifying the multichannel EEG spatial-temporal complexity

机译:一种量化多通道EEG时空复杂度的有效方法

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摘要

The complexity index (/spl delta/) quantifies the intrinsic dimensionality of the global complexity of a point set, and was shown to be able to characterize electroencephalogram spatial-temporal features. The complexity index is conceptually comprehensible and easily implemented, yet, it is time consuming. Here, the authors present an efficient computational method based an the projection of the high-dimensional state-space points onto a one dimensional axis. The computational time decreases by at least 50%, without affecting the measure accuracy.
机译:复杂度指数(/ spl delta /)量化了点集整体复杂度的内在维数,并被证明能够表征脑电图的时空特征。复杂度指数在概念上易于理解且易于实现,但是这很耗时。在这里,作者提出了一种基于高维状态空间点到一维轴上的投影的有效计算方法。计算时间至少减少了50%,而不会影响测量精度。

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