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

Table 4

Overall performance comparison on different databases.

Database	Evaluation	PSNR	SSIM	VIF	LSS	ESS	LFBVS	VSI-Canny	Proposed
IVC-SelectEncrypt	µD	0.156	0.122	0.170	0.222	0.343	0.254	0.154	0.098
	σD	0.101	0.184	0.101	0.188	0.188	0.174	0.089	0.099
	maxD	0.394	0.689	0.404	0.520	0.399	0.479	0.353	0.343
	PLCC	0.915	0.891	0.939	0.919	0.901	0.891	0.942	0.956
	SRCC	0.911	0.869	0.939	0.932	0.909	0.891	0.935	0.954
	KRCC	0.743	0.702	0.791	0.786	0.747	0.712	0.776	0.815
	RMSE	0.543	0.645	0.455	0.658	0.506	0.601	0.446	0.388
PEID	µD	0.189	0.431	0.169	0.098	0.158	0.116	0.333	0.096
	σD	0.144	0.239	0.077	0.044	0.137	0.105	0.210	0.059
	maxD	0.538	0.853	0.534	0.771	0.479	0.530	0.882	0.774
	PLCC	0.825	0.845	0.854	0823	0.808	0.724	0.850	0.886
	SRCC	0.796	0.831	0.910	0.796	0.772	0.618	0.726	0.870
	KRCC	0.616	0.657	0.768	0.616	0.592	0.458	0.557	0.691
	RMSE	1.056	0.999	0.645	1.061	1.065	1.248	0.984	0.866