Table 5.

The executing time of different optimization algorithms.

Image	Pepper				Camera man
	K = 2	K = 3	K = 4	K = 5	K = 2	K = 3	K = 4	K = 5
GAAOA	8.23	10.12	11.32	11.54	4.43	7.12	10.12	14.51
EMO Lévy	9.67	12.16	14.78	16.38	5.34	8.90	12.29	16.26
EMO	10.31	14.47	16.26	18.43	7.53	10.95	14.39	18.29
CS	12.31	15.48	17.45	19.85	10.32	12.36	16.23	19.43
SCA	13.95	15.78	18.66	20.28	11.03	13.02	17.15	20.33
MFO	14.33	16.09	19.23	21.91	12.22	13.89	17.87	20.85
WOA	14.87	16.59	20.01	22.01	12.83	14.66	18.32	21.22

Image	Baboon
	K = 2	K = 3	K = 4	K = 5
GAAOA	3.45	5.34	8.43	10.46
EMO Lévy	3.95	6.32	9.34	11.56
EMO	4.36	6.12	8.34	10.93
CS	5.23	6.34	7.98	9.93
SCA	4.89	5.89	7.49	10.34
MFO	4.74	4.98	6.79	9.65
WOA	4.23	6.34	8.96	11.24