TABLE 7. Results of the SSIM Measure for All Algorithms for the Second Experiment.

Level (K)	Image	MPA	MPAMFO	HHO	CS	GWO	GOA	SSO	PSO	MFO
6	Cov1	0.399	0.496	0.473	0.447	0.447	0.481	0.415	0.483	0.452
	Cov2	0.653	0.757	0.745	0.669	0.670	0.629	0.647	0.716	0.726
	Cov3	0.510	0.665	0.618	0.551	0.508	0.529	0.509	0.502	0.459
	Cov4	0.243	0.585	0.453	0.259	0.249	0.243	0.243	0.348	0.361
	Cov5	0.661	0.764	0.732	0.663	0.686	0.652	0.657	0.746	0.749
	Cov6	0.529	0.551	0.499	0.536	0.485	0.545	0.530	0.477	0.480
	Cov7	0.443	0.468	0.440	0.453	0.454	0.441	0.455	0.364	0.359
	Cov8	0.405	0.518	0.409	0.433	0.414	0.339	0.444	0.426	0.506
	Cov9	0.558	0.579	0.571	0.571	0.575	0.567	0.555	0.480	0.474
	Cov10	0.383	0.525	0.374	0.412	0.441	0.333	0.437	0.505	0.507
	Cov11	0.527	0.556	0.530	0.528	0.528	0.537	0.523	0.543	0.519
	Cov12	0.428	0.484	0.431	0.438	0.421	0.429	0.442	0.356	0.352
	Cov13	0.464	0.527	0.462	0.472	0.434	0.461	0.483	0.454	0.497
8	Cov1	0.542	0.710	0.713	0.571	0.811	0.613	0.500	0.677	0.692
	Cov2	0.752	0.760	0.785	0.757	0.754	0.737	0.753	0.726	0.754
	Cov3	0.672	0.696	0.687	0.686	0.641	0.600	0.658	0.647	0.680
	Cov4	0.503	0.694	0.586	0.540	0.538	0.500	0.510	0.634	0.675
	Cov5	0.755	0.800	0.776	0.768	0.767	0.737	0.760	0.783	0.771
	Cov6	0.602	0.598	0.570	0.603	0.477	0.500	0.598	0.559	0.568
	Cov7	0.533	0.517	0.546	0.542	0.467	0.488	0.544	0.522	0.521
	Cov8	0.551	0.594	0.503	0.520	0.521	0.479	0.568	0.514	0.532
	Cov9	0.510	0.587	0.525	0.537	0.558	0.532	0.545	0.570	0.520
	Cov10	0.505	0.606	0.557	0.574	0.537	0.448	0.550	0.570	0.571
	Cov11	0.520	0.626	0.522	0.531	0.546	0.524	0.523	0.608	0.601
	Cov12	0.533	0.511	0.518	0.535	0.446	0.499	0.536	0.519	0.501
	Cov13	0.582	0.608	0.546	0.596	0.654	0.536	0.615	0.617	0.612
15	Cov1	0.863	0.846	0.855	0.856	0.866	0.836	0.865	0.817	0.805
	Cov2	0.814	0.832	0.842	0.818	0.818	0.779	0.807	0.797	0.786
	Cov3	0.692	0.782	0.737	0.720	0.702	0.643	0.709	0.696	0.722
	Cov4	0.763	0.816	0.806	0.785	0.814	0.691	0.773	0.748	0.777
	Cov5	0.817	0.819	0.814	0.828	0.829	0.777	0.820	0.803	0.795
	Cov6	0.625	0.720	0.646	0.675	0.574	0.523	0.587	0.740	0.711
	Cov7	0.554	0.679	0.580	0.621	0.528	0.483	0.572	0.646	0.630
	Cov8	0.674	0.737	0.679	0.712	0.714	0.622	0.707	0.721	0.737
	Cov9	0.739	0.747	0.751	0.709	0.756	0.731	0.741	0.765	0.770
	Cov10	0.724	0.761	0.707	0.737	0.735	0.697	0.751	0.720	0.727
	Cov11	0.771	0.749	0.752	0.762	0.698	0.741	0.750	0.726	0.705
	Cov12	0.553	0.629	0.586	0.618	0.514	0.485	0.575	0.627	0.610
	Cov13	0.707	0.685	0.720	0.715	0.707	0.732	0.742	0.726	0.727
17	Cov1	0.863	0.856	0.871	0.870	0.867	0.855	0.862	0.833	0.840
	Cov2	0.811	0.842	0.837	0.829	0.829	0.795	0.818	0.818	0.806
	Cov3	0.713	0.785	0.784	0.758	0.731	0.660	0.713	0.728	0.746
	Cov4	0.833	0.828	0.860	0.827	0.851	0.765	0.831	0.750	0.785
	Cov5	0.831	0.851	0.844	0.838	0.835	0.813	0.840	0.813	0.811
	Cov6	0.646	0.775	0.723	0.663	0.605	0.608	0.628	0.751	0.615
	Cov7	0.597	0.676	0.626	0.682	0.585	0.516	0.638	0.650	0.636
	Cov8	0.736	0.778	0.696	0.763	0.748	0.699	0.747	0.737	0.748
	Cov9	0.793	0.779	0.759	0.754	0.800	0.743	0.758	0.785	0.781
	Cov10	0.764	0.778	0.749	0.775	0.758	0.718	0.781	0.747	0.730
	Cov11	0.767	0.779	0.785	0.782	0.746	0.733	0.767	0.742	0.727
	Cov12	0.613	0.715	0.622	0.654	0.597	0.509	0.627	0.630	0.618
	Cov13	0.738	0.761	0.731	0.754	0.737	0.749	0.743	0.730	0.739
19	Cov1	0.870	0.880	0.889	0.894	0.885	0.859	0.872	0.849	0.858
	Cov2	0.820	0.837	0.845	0.844	0.835	0.800	0.830	0.805	0.813
	Cov3	0.734	0.820	0.797	0.770	0.761	0.683	0.740	0.808	0.758
	Cov4	0.872	0.894	0.897	0.857	0.886	0.802	0.856	0.856	0.833
	Cov5	0.835	0.858	0.843	0.857	0.840	0.817	0.838	0.839	0.833
	Cov6	0.674	0.803	0.728	0.692	0.639	0.625	0.648	0.770	0.751
	Cov7	0.644	0.743	0.659	0.629	0.610	0.558	0.691	0.708	0.745
	Cov8	0.774	0.806	0.773	0.796	0.772	0.743	0.777	0.823	0.781
	Cov9	0.802	0.832	0.803	0.809	0.828	0.768	0.768	0.812	0.804
	Cov10	0.779	0.817	0.764	0.806	0.771	0.768	0.800	0.786	0.762
	Cov11	0.790	0.814	0.793	0.785	0.789	0.757	0.775	0.758	0.747
	Cov12	0.646	0.753	0.644	0.661	0.673	0.548	0.700	0.722	0.734
	Cov13	0.766	0.782	0.772	0.772	0.759	0.767	0.777	0.737	0.759