Research Article

Improving EEG-Based Motor Imagery Classification for Real-Time Applications Using the QSA Method

Table 2

Accuracy of classifier in motor imagery based BCI: two classes. The classes are (T1) left imagined hand movements and (T2) right imagined hand movements.

DatasetActivitySubjectsTrials FilterFeatureClassifierAccuracyReferences

BCI competition IIIT1, T25280YesLS-SVM (RBF kernel)95.72%[34]
T1, T24140YesHMM77.50% +[35]
T1, T24200YesCSPSVM (Gaussian kernel)77.50%[36]
T1, T27100YesCSP/EMD, PCAKNN85.8%[37]
T1, T24100YesSVM81%[29]

Other data setsT1, T2490YesCSPSVM (Gaussian kernel)74.10%[36]
T1, T21140YesCSP/ERD-ERSBSSFO-SVM97.57%[25]
T1, T280YesPLS RegressionBased on the decoding principle64%[1]
T1, T210990YesCSPSUTCCSP90%[38]
T1, T24480YesCSP/ERD-ERS, FFTLDA, SVM, BPNN84%+[39]
T1, T23YesBSS, CSPSVM92%[40]

EpocT1, T25120YesCSP/EMD, MIDKRAPSD, Hjort, CWT, DWT97.79%[41]
T1, T28100YesERS, ERDLDA70.37%[42]
T1, T22140YesCSPNaive Bayes79%[43]
T1, T21540YesWavelet, PSD, EMDKNN91.80%[44]