Visual Security Assessment via Saliency-Weighted Structure and Orientation Similarity for Selective Encrypted Images

Table 6

Overall performance comparison (SRCC and KRCC) on different encryptions.

		SRCC								KRCC
Database	Metric	PSNR	SSIM	VIF	LSS	ESS	LFBVS	VSI-Canny	Proposed	PSNR	SSIM	VIF	LSS	ESS	LFBVS	VSI-Canny	Proposed
IVC-SelectEncrypt	trad	0.965	0.968	0.964	0.948	0.933	0.960	0.951	0.968	0.864	0.864	0.854	0.820	0.799	0.852	0.818	0.854
	trunc	0.888	0.879	0.953	0.948	0.913	0.907	0.953	0.921	0.731	0.710	0.803	0.829	0.801	0.798	0.826	0.764
	iwind_ec	0.909	0.924	0.941	0.887	0.859	0.886	0.927	0.965	0.738	0.766	0.800	0.751	0.724	0.753	0.779	0.811
	iwind_nec	0.910	0.953	0.951	0.907	0.946	0.946	0.934	0.953	0.770	0.837	0.829	0.820	0.827	0.822	0.798	0.837
	res	0.915	0.886	0.955	0.955	0.926	0.916	0.944	0.960	0.778	0.717	0.839	0.842	0.787	0.765	0.825	0.846
PEID	enc01	0.906	0.927	0.897	0.951	0.540	0.452	0.864	0.937	0.735	0.774	0.759	0.807	0.473	0.386	0.709	0.759
	enc02	0.951	0.911	0.963	0.835	0.846	0.627	0.887	0.938	0.809	0.760	0.785	0.650	0.668	0.453	0.711	0.764
	enc03	0.923	0.898	0.977	0.944	0.966	0.862	0.975	0.978	0.749	0.741	0.825	0.795	0.813	0.724	0.872	0.873
	enc04	0.911	0.916	0.916	0.908	0.828	0.907	0.738	0.962	0.742	0.750	0.741	0.736	0.694	0.713	0.538	0.769
	enc05	0.929	0.936	0.940	0.924	0.789	0.821	0.927	0.946	0.774	0.790	0.783	0.767	0.613	0.689	0.783	0.830
	enc06	0.970	0.965	0.972	0.968	0.961	0.914	0.972	0.976	0.847	0.833	0.852	0.845	0.844	0.825	0.853	0.853
	enc07	0.956	0.977	0.983	0.958	0.975	0.959	0.982	0.971	0.805	0.869	0.885	0.818	0.876	0.859	0.884	0.862
	enc08	0.083	0.666	0.191	0.200	0.325	0.360	0.710	0.246	0.066	0.528	0.144	0.145	0.256	0.259	0.558	0.184
	enc09	0.235	0.760	0.582	0.187	0.364	0.339	0.155	0.521	0.162	0.582	0.493	0.126	0.289	0.276	0.082	0.380
	enc10	0.760	0.943	0.980	0.631	0.846	0.678	0.632	0.930	0.589	0.807	0.823	0.473	0.723	0.649	0.468	0.788