Self-Adaptive Image Encryption Algorithm Based on Quantum Logistic Map

Table 3

Correlation coefficients.

Image	Plain image			Cipher image
	Horizontal	Vertical	Positive diagonal	Horizontal	Vertical	Positive diagonal
Baboon	0.7597	0.8611	0.7215	−0.0073	0.0106	0.0186
Bridge	0.9279	0.9411	0.9003	0.0012	0.0061	−0.0027
Peppers	0.9796	0.9787	0.9650	−0.0001	−0.0049	−0.0032
Lena	0.9859	0.9709	0.9597	0.0052	−0.0092	−0.0078