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

Table 7

Overall performance comparison (PLCC and RMSE) on different encryptions.

		PLCC								RMSE
Database	Metric	PSNR	SSIM	VIF	LSS	ESS	LFBVS	VSI-canny	Proposed	PSNR	SSIM	VIF	LSS	ESS	LFBVS	VSI-canny	Proposed
IVC-SelectEncrypt	trad	0.955	0.969	0.969	0.955	0.922	0.957	0.955	0.968	0.250	0.208	0.207	0.250	0.264	0.248	0.249	0.211
	trunc	0.916	0.907	0.980	0.970	0.946	0.949	0.974	0.958	0.510	0.536	0.246	0.308	0.316	0.293	0.287	0.365
	iwind_ec	0.957	0.981	0.983	0.941	0.916	0.967	0.982	0.984	0.434	0.280	0.264	0.483	0.512	0.491	0.274	0.258
	iwind_nec	0.931	0.965	0.960	0.907	0.924	0.948	0.950	0.971	0.435	0.312	0.334	0.502	0.493	0.375	0.370	0.312
	res	0.905	0.931	0.978	0.955	0.949	0.939	0.961	0.961	0.480	0.412	0.234	0.211	0.501	0.487	0.198	0.311
PEID	enc01	0.904	0.957	0.948	0.952	0.796	0.583	0.944	0.946	0.509	0.346	0.328	0.363	0.716	0.903	0.393	0.418
	enc02	0.967	0.950	0.970	0.888	0.861	0.636	0.888	0.939	0.424	0.516	0.410	0.760	0.749	0.856	0.762	0.517
	enc03	0.964	0.956	0.985	0.970	0.979	0.917	0.984	0.985	0.481	0.533	0.326	0.442	0.383	0.412	0.324	0.312
	enc04	0.940	0.928	0.950	0.939	0.816	0.911	0.883	0.967	0.526	0.573	0.442	0.531	0.473	0.459	0.722	0.419
	enc05	0.917	0.947	0.955	0.921	0.812	0.853	0.956	0.956	0.520	0.420	0.402	0.508	0.529	0.513	0.385	0.402
	enc06	0.982	0.979	0.988	0.982	0.978	0.926	0.984	0.989	0.363	0.391	0.362	0.358	0.371	0.402	0.345	0.339
	enc07	0.980	0.982	0.987	0.968	0.982	0.964	0.979	0.987	0.386	0.366	0.367	0.483	0.375	0.396	0.391	0.415
	enc08	0.108	0.610	0.272	0.273	0.387	0.364	0.717	0.229	0.428	0.341	0.796	0.414	0.369	0.483	0.230	0.418
	enc09	0.426	0.760	0.715	0.296	0.619	0.475	0.656	0.698	1.408	1.011	1.129	1.487	1.245	1.378	1.174	1.115
	enc10	0.824	0.966	0.987	0.750	0.933	0.809	0.804	0.969	1.067	0.489	0.463	1.246	0.574	0.796	1.121	0.463