Eye State Identification Utilizing EEG Signals: : A Combined Method Using Self-Organizing Map and Deep Belief Network
Authors: 
Neda Ahmadi, Mehrbakhsh Nilashi, Behrouz Minaei-Bidgoli, Murtaza Farooque, Sarminah Samad, Nojood O. Aljehane, Waleed Abdu Zogaan, Hossein Ahmadi Academic Editor: Sheng BinAuthors Info & Claims
Abstract
Measuring brain activity through Electroencephalogram (EEG) analysis for eye state prediction has attracted attention from machine learning researchers. There have been many methods for EEG analysis using supervised and unsupervised machine learning techniques. The tradeoff between the accuracy and computation time of these methods in performing the analysis is an important issue that is rarely investigated in the previous research. This paper accordingly proposes a new method for EEG signal analysis through Self-Organizing Map (SOM) clustering and Deep Belief Network (DBN) approaches to efficiently improve the computation and accuracy of the previous methods. The method is developed using SOM clustering and DBN, which is a deep layer neural network with multiple layers of Restricted Boltzmann Machines (RBMs). The results on a dataset with 14980 instances and 15 attributes representing the values of the electrodes demonstrated that the method is efficient for EEG analysis. In addition, compared with the other supervised methods, the proposed method was able to significantly improve the accuracy of the EEG prediction.
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