A High-Security Privacy Image Encryption Algorithm Based on Chaos and Double Encryption Strategy

Table 2

Correlation coefficients.

Image	Plaintext			Ciphertext
	Hor.	Ver.	Diag.	Hor.	Ver.	Diag.
Barbara	0.861024	0.957077	0.840216	-0.000463	-0.001143	-0.000671
Girl	0.985419	0.988277	0.974804	0.000828	-0.000270	-0.005194
Lena	0.973730	0.986868	0.960985	-0.000904	0.000503	0.001368
Reagan	0.970919	0.979714	0.959251	0.0006615	0.003655	-0.000902