The Design and Its Application in Secure Communication and Image Encryption of a New Lorenz-Like System with Varying Parameter

Table 4

Correlation coefficients and cost comparisons.

Chaotic systems used	Correlation coefficients						Cost (s)
	Original image (plaintext)			Encrypted image (ciphertext)
	Horizontal	Vertical	Diagonal	Horizontal	Vertical	Diagonal
Proposed system	0.9788	0.9677	0.9752	0.0086	0.0307		10.9689
Reference [29]	0.9788	0.9677	0.9752	0.0167		0.0371	13.9933
Reference [30]	0.9788	0.9677	0.9752			0.0036	14.0401