Analytic Study of a Novel Color Image Encryption Method Based on the Chaos System and Color Codes

Table 8

Summary of properties comparison of different algorithms.

Algorithms	NPCR	UACI	Correlation coefficients			Entropy
			Horizontal	Vertical	Diagonal
Reference [31]	99.22	33.40	0.0042	0.0033	0.0024	7.9967
Reference [32]	99.61	33.41	−0.0026	−0.0038	0.0017	7.9970
Reference [35]	99.61	33.47	−0.0075	−0.0011	−0.0012	7.9998
Reference [36]	99.62	30.91	−0.0049	0.0067	0.0010	7.9960
Proposed algorithm	99.61	33.46	0.0045	0.00016	−0.0013	7.9990