A Grey Wolf Optimizer for Modular Granular Neural Networks for Human Recognition

Table 25

Values of FERET database.

Method		Mean	Standard; deviation	Error standard deviation of the mean	Estimated; difference	-value	value	Degree of freedom
Wang et al. [46]; (SIFT)	4	80.13	4.29	2.1	−12.50	−4.24	0.00547	6
Proposed method	4	92.63	4.05	2.0