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

Table 8

Quantitative metrics by SCA.

Images	Accuracy	Sensitivity	Specificity	Precision	F_measure	Gmean	SSIM
SImg 1	0.8710	0.7116	0.8740	0.6327	0.6698	0.7886	0.80772
SImg 2	0.7510	0.8423	0.7496	0.9058	0.8729	0.7946	0.6578
SImg 3	0.9721	0.6271	0.7865	0.8123	0.7078	0.7023	0.9515
SImg 4	0.9532	0.3156	0.9983	0.9331	0.4712	0.5613	0.9097
SImg 5	0.9245	0.6349	0.9879	0.9199	0.7513	0.7919	0.8000
SImg 6	0.7331	0.7479	0.7416	0.5784	0.6523	0.7448	0.5862
SImg 7	0.9446	0.5505	0.9875	0.4396	0.4888	0.7373	0.8133
SImg 8	0.9493	0.8207	0.9903	0.3343	0.4751	0.9015	0.9582
SImg 9	0.7959	0.6470	0.7962	0.5574	0.5989	0.7177	0.7279
SImg 10	0.9628	0.7893	0.9696	0.5044	0.6154	0.8748	0.8359
SImg 11	0.9984	0.9957	1	1	0.9978	0.9978	0.9893
SImg 12	0.9935	1	0.9883	0.9857	0.9927	0.9941	0.6969
SImg 13	0.7653	1	0.6055	0.6332	0.7754	0.7781	0.6184
SImg 14	0.9426	0.8897	1	1	0.9416	0.9432	0.7043
SImg 15	0.9671	0.9415	1	1	0.9698	0.9703	0.7456
Avg.	0.9016	0.7676	0.8983	0.7491	0.7320	0.8199	0.7868

Bold entries represent the average value of 15 images.