TABLE 3. SSIM Results for the First Experiments.

Level (K)	Image	MPA	MPAMFO	HHO	CS	GWO	GOA	SSO	PSO	MFO
6	I1	0.5058	0.6032	0.5872	0.5235	0.5103	0.4897	0.5391	0.4156	0.3673
	I2	0.4192	0.4745	0.4585	0.4040	0.4023	0.3849	0.4089	0.2248	0.2530
	I3	0.5983	0.6828	0.6668	0.6162	0.6072	0.6125	0.6366	0.6113	0.6187
	I4	0.4835	0.5894	0.5734	0.5448	0.5513	0.5386	0.5351	0.2871	0.2726
	I5	0.3767	0.4511	0.4351	0.2994	0.3153	0.2469	0.3557	0.2370	0.2260
	I6	0.4175	0.5022	0.4862	0.3415	0.3617	0.3087	0.3845	0.2679	0.2366
	I7	0.4291	0.5485	0.5325	0.4191	0.4188	0.3957	0.4297	0.4016	0.3934
	I8	0.5447	0.6422	0.6262	0.5921	0.5727	0.5410	0.5790	0.3885	0.4090
	I9	0.7189	0.7760	0.7600	0.5780	0.7024	0.5644	0.5437	0.5829	0.5218
	I10	0.7303	0.7387	0.7227	0.6603	0.6614	0.6270	0.6831	0.7687	0.7444
8	I1	0.7104	0.7252	0.7092	0.7146	0.7044	0.6805	0.7059	0.6943	0.6371
	I2	0.5863	0.5495	0.5335	0.4540	0.4567	0.4037	0.4644	0.4283	0.4812
	I3	0.7009	0.7957	0.7797	0.7611	0.7528	0.7520	0.7764	0.7745	0.7772
	I4	0.6586	0.6186	0.6026	0.6005	0.5889	0.5731	0.6048	0.6188	0.5839
	I5	0.6353	0.5817	0.5657	0.5522	0.5653	0.5366	0.5337	0.5704	0.5540
	I6	0.6475	0.6369	0.6209	0.5114	0.5342	0.4460	0.5323	0.5842	0.5334
	I7	0.6379	0.6339	0.6179	0.5850	0.5685	0.5367	0.5896	0.5552	0.5526
	I8	0.7154	0.7142	0.6982	0.6480	0.7071	0.6364	0.6336	0.6730	0.6679
	I9	0.7721	0.8313	0.8153	0.8056	0.8046	0.7806	0.8057	0.7995	0.8106
	I10	0.8199	0.7925	0.7765	0.7771	0.7632	0.7384	0.7698	0.8345	0.8218
15	I1	0.8352	0.8685	0.8525	0.8378	0.8128	0.7950	0.8357	0.8076	0.7880
	I2	0.7222	0.7299	0.7139	0.6742	0.7036	0.5865	0.6641	0.6523	0.5914
	I3	0.7897	0.8697	0.8537	0.8541	0.8498	0.8265	0.8465	0.8287	0.7899
	I4	0.7622	0.7760	0.7600	0.7395	0.7485	0.6808	0.7603	0.7743	0.7171
	I5	0.7980	0.8363	0.8203	0.7627	0.7845	0.6729	0.7626	0.7339	0.7547
	I6	0.7568	0.8078	0.7918	0.7408	0.7220	0.6174	0.7558	0.7723	0.7569
	I7	0.7858	0.7841	0.7681	0.7676	0.7929	0.6461	0.7642	0.6852	0.6896
	I8	0.8481	0.8554	0.8394	0.8248	0.8354	0.7664	0.8259	0.8275	0.8377
	I9	0.8676	0.8864	0.8704	0.8489	0.8542	0.8248	0.8321	0.8429	0.8438
	I10	0.9152	0.8937	0.8777	0.8620	0.8462	0.8235	0.8452	0.8873	0.8336
17	I1	0.8572	0.8866	0.8706	0.8716	0.8434	0.8306	0.8642	0.8465	0.7954
	I2	0.7553	0.7619	0.7459	0.7345	0.7562	0.6155	0.7206	0.6523	0.6851
	I3	0.8267	0.8914	0.8754	0.8687	0.8666	0.8503	0.8719	0.8463	0.8096
	I4	0.7927	0.8250	0.8090	0.7736	0.7722	0.7264	0.7722	0.7997	0.7788
	I5	0.8327	0.8440	0.8280	0.8101	0.8275	0.7448	0.8011	0.8201	0.8231
	I6	0.7860	0.8571	0.8411	0.7773	0.7747	0.6767	0.8048	0.7836	0.7532
	I7	0.7987	0.8256	0.8096	0.7876	0.8193	0.7288	0.7812	0.7550	0.7745
	I8	0.8704	0.8725	0.8565	0.8414	0.8635	0.7922	0.8515	0.8405	0.8517
	I9	0.8728	0.8899	0.8739	0.8592	0.8549	0.8308	0.8550	0.8591	0.8528
	I10	0.9240	0.9140	0.8980	0.8850	0.8550	0.8533	0.8783	0.8783	0.8610
19	I1	0.8761	0.9054	0.8894	0.8830	0.8653	0.8474	0.8806	0.8599	0.8695
	I2	0.7815	0.7965	0.7805	0.7644	0.7881	0.6684	0.7417	0.7400	0.7209
	I3	0.8384	0.9053	0.8893	0.8762	0.8741	0.8577	0.8800	0.8401	0.8353
	I4	0.8236	0.8199	0.8039	0.7928	0.8019	0.7343	0.7856	0.8036	0.7897
	I5	0.8438	0.8866	0.8706	0.8509	0.8525	0.7876	0.8245	0.8503	0.8380
	I6	0.8147	0.8795	0.8635	0.8361	0.8093	0.7149	0.8149	0.7970	0.7945
	I7	0.8303	0.8351	0.8191	0.8339	0.8400	0.7615	0.8206	0.8147	0.7712
	I8	0.8784	0.8853	0.8693	0.8766	0.8809	0.8065	0.8693	0.8677	0.8736
	I9	0.8833	0.8902	0.8742	0.8703	0.8711	0.8372	0.8699	0.8686	0.8783
	I10	0.9283	0.9168	0.9008	0.9050	0.8870	0.8703	0.8788	0.8959	0.8820
25	I1	0.9109	0.9381	0.9221	0.9151	0.9058	0.8951	0.9145	0.9320	0.9046
	I2	0.8239	0.8554	0.8394	0.8372	0.8647	0.7923	0.8200	0.8106	0.8202
	I3	0.8831	0.9221	0.9061	0.9041	0.9014	0.8830	0.8980	0.8916	0.8720
	I4	0.8593	0.8944	0.8784	0.8606	0.8544	0.8226	0.8518	0.8885	0.8678
	I5	0.9037	0.9235	0.9075	0.9126	0.9111	0.8664	0.8937	0.9106	0.8944
	I6	0.8650	0.9142	0.8982	0.8747	0.8864	0.8223	0.8918	0.8704	0.8317
	I7	0.8658	0.9016	0.8856	0.8798	0.8777	0.8439	0.8702	0.8571	0.8569
	I8	0.9142	0.9272	0.9112	0.9118	0.9145	0.8838	0.9036	0.9233	0.9000
	I9	0.9016	0.9166	0.9006	0.9035	0.8934	0.8740	0.8932	0.9112	0.8894
	I10	0.9173	0.9471	0.9311	0.9242	0.9223	0.9025	0.9262	0.9042	0.8845