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A Hybrid Feature Pool-Based Emotional Stress State Detection Algorithm Using EEG Signals.


ABSTRACT: Human stress analysis using electroencephalogram (EEG) signals requires a detailed and domain-specific information pool to develop an effective machine learning model. In this study, a multi-domain hybrid feature pool is designed to identify most of the important information from the signal. The hybrid feature pool contains features from two types of analysis: (a) statistical parametric analysis from the time domain, and (b) wavelet-based bandwidth specific feature analysis from the time-frequency domain. Then, a wrapper-based feature selector, Boruta, is applied for ranking all the relevant features from that feature pool instead of considering only the non-redundant features. Finally, the k-nearest neighbor (k-NN) algorithm is used for final classification. The proposed model yields an overall accuracy of 73.38% for the total considered dataset. To validate the performance of the proposed model and highlight the necessity of designing a hybrid feature pool, the model was compared to non-linear dimensionality reduction techniques, as well as those without feature ranking.

SUBMITTER: Hasan MJ 

PROVIDER: S-EPMC6956373 | biostudies-literature | 2019 Dec

REPOSITORIES: biostudies-literature

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A Hybrid Feature Pool-Based Emotional Stress State Detection Algorithm Using EEG Signals.

Hasan Md Junayed MJ   Kim Jong-Myon JM  

Brain sciences 20191213 12


Human stress analysis using electroencephalogram (EEG) signals requires a detailed and domain-specific information pool to develop an effective machine learning model. In this study, a multi-domain hybrid feature pool is designed to identify most of the important information from the signal. The hybrid feature pool contains features from two types of analysis: (a) statistical parametric analysis from the time domain, and (b) wavelet-based bandwidth specific feature analysis from the time-frequen  ...[more]

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