Research Article

Extracting a Novel Emotional EEG Topographic Map Based on a Stacked Autoencoder Network

Table 5

Accuracy of SVM, BN, KNN, CapsNet, and CNN networks in image classification by ten features, including subband power, mean, standard deviation, zero-crossing rate, fractal dimension, entropy, and correlation dimension.

ClassifiersFeatures
Power thetaPower alphaPower betaPower gammaMeanStandard deviationZero-crossingrateFractal dimensionApproximate entropyCorrelation dimensionSAETM

SVM0.5132 ± 0.020.5818 ± 0.010.4363 ± 0.060.5527 ± 0.010.3280 ± 0.130.3620 ± 0.020.4750 ± 0.120.5145 ± 0.030.4239 ± 0.050.3840 ± 0.010.7536 ± 0.01
BN0.4746 ± 0.130.5373 ± 0.020.5248 ± 0.050.4323 ± 0.010.4129 ± 0.010.3359 ± 0.010.3984 ± 0.030.4719 ± 0.110.3487 ± 0.150.4602 ± 0.040.6906 ± 0.12
KNN0.5601 ± 0.020.4982 ± 0.120.4880 ± 0.050.3760 ± 0.050.3717 ± 0.010.3129 ± 0.040.4573 ± 0.040.3985 ± 0.030.4604 ± 0.040.4228 ± 0.020.7158 ± 0.04
CNN0.6534 ± 0.030.6710 ± 0.040.5730 ± 0.070.5915 ± 0.040.4872 ± 0.060.3916 ± 0.010.4716 ± 0.020.5610 ± 0.040.5201 ± 0.070.5072 ± 0.120.8305 ± 0.02
CapsNet0.6721 ± 0.060.6430 ± 0.110.5928 ± 0.020.6592 ± 0.070.5340 ± 0.160.4924 ± 0.120.5935 ± 0.040.6026 ± 0.150.5873 ± 0.020.6453 ± 0.130.8159 ± 0.01
Average (ACC)0.5747 ± 0.0520.5863 ± 0.060.5230 ± 0.050.5223 ± 0.0360.4268 ± 0.0740.3790 ± 0.040.4792 ± 0.050.5097 ± 0.0720.4681 ± 0.0660.4839 ± 0.0640.7613 ± 0.04