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<a target="_blank" rel="noopener" href="https://fatcat.wiki/container/mwj5yys4mnek7al64kpw5psjqi" style="color: black;">Bulletin of Electrical Engineering and Informatics</a>
This paper focuses on classification of motor imagery in Brain Computer Interface (BCI) by using classifiers from machine learning technique. The BCI system consists of two main steps which are feature extraction and classification. The Fast Fourier Transform (FFT) features is extracted from the electroencephalography (EEG) signals to transform the signals into frequency domain. Due to the high dimensionality of data resulting from the feature extraction stage, the Linear Discriminant Analysis<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.11591/eei.v8i1.1402">doi:10.11591/eei.v8i1.1402</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/wuc74ooibfavhnxwatpsm72cmm">fatcat:wuc74ooibfavhnxwatpsm72cmm</a> </span>
more »... LDA) is used to minimize the number of dimension by finding the feature subspace that optimizes class separability. Five classifiers: Support Vector Machine (SVM), K-Nearest Neighbors (KNN), Naïve Bayes, Decision Tree and Logistic Regression are used in the study. The performance was tested by using Dataset 1 from BCI Competition IV which consists of imaginary hand and foot movement EEG data. As a result, SVM, Logistic Regression and Naïve Bayes classifier achieved the highest accuracy with 89.09% in AUC measurement.
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