Batch Image Encryption Using Generated Deep Features Based on Stacked Autoencoder Network

Table 1

Correlation analysis.

Images	Correlation coefficients
Plain Gold-hill	0.9871	0.9833	0.9847	0.9865	0.9872
	0.9841	0.9852	0.9835	0.9877	0.9928
Plain Barbara	0.9859	0.9828	0.9852	0.9874	0.9865
	0.9888	0.9849	0.9843	0.9857	0.9873
Plain Yacht	0.9856	0.9847	0.9865	0.9838	0.9869
	0.9868	0.9838	0.9856	0.9877	0.9838
Plain Peppers	0.9856	0.9871	0.9835	0.9875	0.9873
	0.9849	0.9862	0.9864	0.9849	0.9882
Encrypted Gold-hill	0.0038	−0.0044	0.0182	−0.0054	−0.0231
	0.0085	0.0057	−0.0248	0.0058	0.0105
Encrypted Barbara	0.0047	0.0157	0.0287	0.0108	0.0091
	−0.0092	0.0038	−0.0217	−0.0098	0.0124
Encrypted Yacht	−0.0157	−0.0134	0.0158	0.0064	−0.0158
	−0.0085	0.0068	−0.0263	0.0097	−0.0215
Encrypted Peppers	−0.0074	0.0238	0.0398	0.0087	0.0378
	−0.0159	−0.0105	0.0485	−0.0182	−0.0082