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Feature selection using angle modulated simulated Kalman filter for peak classification of EEG signals

机译:使用角度调制模拟卡尔曼滤波器进行特征选择以对脑电信号进行峰值分类

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摘要

In the existing electroencephalogram (EEG) signals peak classification research, the existing models, such as Dumpala, Acir, Liu, and Dingle peak models, employ different set of features. However, all these models may not be able to offer good performance for various applications and it is found to be problem dependent. Therefore, the objective of this study is to combine all the associated features from the existing models before selecting the best combination of features. A new optimization algorithm, namely as angle modulated simulated Kalman filter (AMSKF) will be employed as feature selector. Also, the neural network random weight method is utilized in the proposed AMSKF technique as a classifier. In the conducted experiment, 11,781 samples of peak candidate are employed in this study for the validation purpose. The samples are collected from three different peak event-related EEG signals of 30 healthy subjects; (1) single eye blink, (2) double eye blink, and (3) eye movement signals. The experimental results have shown that the proposed AMSKF feature selector is able to find the best combination of features and performs at par with the existing related studies of epileptic EEG events classification.
机译:在现有的脑电图(EEG)信号峰分类研究中,现有模型(例如Dumpala,Acir,Liu和Dingle峰模型)采用了不同的功能集。但是,所有这些模型可能无法为各种应用程序提供良好的性能,并且发现它与问题有关。因此,本研究的目的是在选择特征的最佳组合之前,将现有模型中的所有相关特征进行组合。一种新的优化算法,即角度调制模拟卡尔曼滤波器(AMSKF)将被用作特征选择器。此外,在提出的AMSKF技术中将神经网络随机权重方法用作分类器。在进行的实验中,本研究中使用了11,781个候选峰样品进行验证。样本是从30位健康受试者的三个不同的与事件相关的峰值事件中收集的。 (1)单眼眨眼;(2)双眼眨眼;(3)眼动信号。实验结果表明,提出的AMSKF特征选择器能够找到特征的最佳组合,并且与现有的癫痫性脑电事件分类相关研究相媲美。

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