Table 7. Effects of different feature selection methods on the jaffe dataset (after Spearman dimensionality reduction).

Method	Accuracy(%)	Precision(%)	Recall(%)	F1-score	Runtime(s)
MI	83.33	85.74	83.01	0.84	2.15
F_filter	73.26	78.95	73.78	0.76	0.003
reliefF	69.77	73.88	68.66	0.71	17.56
SURF	85.66	87.47	86.09	0.87	8.99
SURFstar	79.46	82.26	81.10	0.82	18.78
EFS-GINI	93.02	92.9	93	0.93	3.30