Image Encryption Algorithm Based on DNA Encoding and Chaotic Maps

Table 2

Comparison of the correlation coefficients of Lena’s images.

Correlation	Horizontal	Vertical	Diagonal
Original image	0.9765	0.9139	0.9437
Encrypted image	0.0002	0.0024	−0.0032
Zhang et al. [13]	0.0036	0.0023	0.0039
Zhang et al. [14]	0.0046	0.0040	0.0017