【Key words】 EEG signal； nonlinear feature extraction； feature selection； PSO algorithm；
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Modified kernel-based nonlinear feature extraction 改进的基于核的非线性特征提取
nonlinear feature extraction method 非线性特征提取
nonlinear DCT discriminant feature extraction 非线性DCT鉴别特征提取
The mappings are called linear feature extraction and nonlinear feature extraction correspondingly.
对应的映射成为线性特征提取方法和非线性特征提取方法。
A simplified algorithm of nonlinear principal curves called nonlinear principal poly line is developed and its effect for feature extraction of hyperspectral data is researched.
并对非线性主折线算法用于高光谱遥感数据特征提取的效果进行研究和讨论。
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