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

Table 5

Quantitative metrics by the IWOA.

Image	Accuracy	Sensitivity	Specificity	Precision	F_measure	Gmean	SSIM
SImg 1	0.9804	0.8934	0.9956	0.9728	0.9314	0.9431	0.9509
SImg 2	0.9666	0.9032	0.9913	0.9758	0.938	0.9462	0.8701
SImg 3	0.9732	0.9282	1	1	0.9627	0.9634	0.9111
SImg 4	0.9865	0.6588	0.9959	0.8246	0.7324	0.81	0.9344
SImg 5	0.9399	0.786	0.9919	0.9705	0.8685	0.883	0.8037
SImg 6	0.9114	0.7672	0.9773	0.9392	0.8445	0.8659	0.7109
SImg 7	0.9508	0.6875	0.985	0.8632	0.7653	0.8231	0.8028
SImg 8	0.9924	0.7259	0.9964	0.7597	0.7424	0.8505	0.9662
SImg 9	0.94	0.7853	0.9924	0.9724	0.8688	0.8828	0.8402
SImg 10	0.9642	0.6448	0.9921	0.8772	0.7432	0.7998	0.8303
SImg 11	0.9954	0.9875	1	1	0.9937	0.9937	0.8003
SImg 12	0.9906	1	0.9832	0.9794	0.9896	0.9916	0.8920
SImg 13	0.9926	0.9886	1	1	0.9943	0.9943	0.9227
SImg 14	0.9742	0.9528	1	1	0.9758	0.9761	0.9517
SImg 15	0.9840	1	0.9673	0.9699	0.9847	0.9835	0.8504
Avg.	0.9695	0.8472	0.9912	0.9403	0.8890	0.9138	0.8691

Bold entries represent the average value of 15 images.