Chaotic Image Encryption Algorithm Based on Bit Permutation and Dynamic DNA Encoding

Table 5

Correlation coefficients of the proposed algorithm compared with that of Ye’s algorithm, X. Wang and Q. Wang’s algorithm, and Liu et al.’s algorithm.

	Original image	Encryption image (the proposed algorithm)	Encryption image (Ye’s algorithm)	Encryption image (X. Wang and Q. Wang’s algorithm)	Encryption image; (Liu et al.’s algorithm)
Horizontal direction	0.9646	0.0082	0.0163	0.0097	−0.0152
Vertical direction	0.9304	0.0032	−0.0029	0.0136	0.0140
Diagonal direction	0.9030	0.0150	0.0309	0.0178	0.0218