Pigeon Inspired Optimization with Encryption Based Secure Medical Image Management System

Table 6

Result analysis of PIOE-SMIM technique with recent approaches with respect to PSNR (with and without attack).

Test images	PIOE-SMIM		OSC-MI		Hybrid model		GWOE-SCO		SC-ECC
	Attack	WOA	Attack	WOA	Attack	WOA	Attack	WOA	Attack	WOA
Image-1	58.43	59.37	56.93	57.92	55.91	57.15	55.39	56.31	45.53	46.53
Image-2	58.99	59.99	55.97	57.04	55.61	56.81	55.46	56.43	44.20	45.24
Image-3	57.86	58.82	57.27	57.90	55.71	57.10	55.28	56.69	44.18	45.07
Image-4	59.37	60.28	58.16	59.04	55.21	56.31	54.27	55.23	44.40	45.70
Image-5	58.52	59.53	57.96	59.04	55.68	57.06	54.76	56.25	43.40	44.78