ACADSTAFF UGM
| Title | : | Three-Class Classification of EEG Signals Using Support Vector Machine Methods |
| Author | : |
Catur Atmaji, S.Si., M.Cs. (1) Dr. Agfianto Eko Putra, M.Si. (2) |
| Date | : | 0 2018 |
| Keyword | : | notor imagery,average power spectrum,dwt coefficients notor imagery,average power spectrum,dwt coefficients |
| Abstract | : | Much research on how the human brain works have been done in the last century. The use of electroencephalogram signal generated from quantifying the brain wave have been developed in many areas including the development of brain-computer interface (BCI) concept. One type of BCI that interesting for future use is motor imagery (MI) based-BCI which only requiring imagination of a person to control an object. This study proposed a feature extraction in eight different channels using discrete wavelet (DWT) coefficients. The wavelet coefficient is transformed into the frequency domain using a discrete Fourier transform (DFT) and then the average power spectrum is calculated. Level 5 of detail component of the DWT is chosen because, from 512Hz sampling frequency (8 - 16Hz), it resembles the mu rhythm of brain wave (8 - 12Hz) which affected by motor imagery activity. The classification of three classes, which are the imagination of right body movement, left movement, and random word using a multiclass support vector machine (SVM) shows a promising result with the sensitivity of 96.88%, 86.12% and 52.78% from three different subjects. |
| Group of Knowledge | : | |
| Level | : | Internasional |
| Status | : |
Published
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