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

Table 4

Computational time(s) to train for combination of classifiers and feature extraction methods.

(a) Valence
Feature extraction method
Classifier type	Time (s)	PCA	NPCA	KLD
	SVM	558	634	881
	KNN	452	841	847
	BN	593	729	1143
(b) Arousal
Feature extraction method
Classifier type	Time (s)	PCA	NPCA	KLD
	SVM	571	595	914
	KNN	470	537	914
	BN	623	755	1076