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

Table 7

Quantitative metrics by SSA.

Images	Accuracy	Sensitivity	Specificity	Precision	F_measure	Gmean	SSIM
SImg 1	0.8692	0.8839	0.8722	0.7797	0.8285	0.8780	0.8077
SImg 2	0.9635	0.9062	0.9852	0.9587	0.9317	0.9449	0.8267
SImg 3	0.9862	0.9875	0.7770	0.5299	0.6897	0.8759	0.9560
SImg 4	0.9546	0.3219	0.9982	0.9270	0.4779	0.5669	0.9103
SImg 5	0.9106	0.5872	0.9904	0.9381	0.7223	0.7626	0.7976
SImg 6	0.8097	0.7875	0.8670	0.4299	0.5562	0.8263	0.5781
SImg 7	0.8590	0.6553	0.9971	0.9760	0.7841	0.8083	0.8133
SImg 8	0.9893	0.8207	0.9903	0.3343	0.4751	0.9015	0.9581
SImg 9	0.9400	0.9702	0.9323	0.7866	0.8688	0.9511	0.7280
SImg 10	0.9185	0.4144	0.9950	0.9277	0.5729	0.6422	0.8300
SImg 11	0.9715	1	0.9573	0.9213	0.959	0.9781	0.8976
SImg 12	0.9670	1	0.9431	0.9271	0.9621	0.9711	0.7480
SImg 13	0.9339	0.8967	1	1	0.9455	0.9469	0.6987
SImg 14	0.9742	1	0.9490	0.9504	0.9746	0.9741	0.8765
SImg 15	0.9809	1	0.9611	0.9640	0.9816	0.9803	0.8996
Avg.	0.9352	0.8154	0.9477	0.8234	0.7820	0.8672	0.8217

Bold entries represent the average value of 15 images.