[Retracted] Efficient COVID-19 CT Scan Image Segmentation by Automatic Clustering Algorithm

Table 3

Best and worst fitness scores of various algorithms.

Images	Best fitness values				Worst fitness values
	WOA	IWOA	SSA	SCA	WOA	IWOA	SSA	SCA
SImg 1	2723	2725	2723	2721	2723	2724	2721	2712
SImg 2	3462	3462	3462	3459	3460	3462	3462	3454
SImg 3	3330	3332	3332	3328	3329	3334	3332	3325
SImg 4	4165	4165	4165	4162	4163	4165	4165	4158
SImg 5	600	605	603	596	600	602	601	562
SImg 6	2772	2778	2774	2772	2770	2773	2772	2770
SImg 7	1568	1575	1572	1568	1566	1573	1573	1566
SImg 8	2234	2238	2236	2233	2229	2234	2232	2229
SImg 9	1378	1384	1384	1377	1374	1382	1382	1374
SImg 10	1186	1190	1189	1185	1181	1188	1188	1180
SImg 11	1945	1948	1946	1945	1943	1947	1945	1943
SImg 12	2372	2384	2380	2372	2370	2382	2376	2369
SImg 13	1682	1689	1688	1681	1679	1684	1684	1678
SImg 14	2165	2170	2170	2163	2163	2168	2168	2163
SImg 15	1744	1749	1747	1743	1741	1746	1745	1741