Design and Analysis of a Novel Chaos-Based Image Encryption Algorithm via Switch Control Mechanism

Table 5

Correlation coefficients of images.

Image	Plain image			Ciphered image
	Horizontal	Vertical	Diagonal	Horizontal	Vertical	Diagonal
Lena	0.9728	0.9281	0.9050	−0.0011	0.0014	0.0005
Bird	0.9687	0.9596	0.9298	0.0004	−0.0020	0.0028
Flower	0.9694	0.9528	0.9301	0.0026	−0.0041	−0.0023
Photographer	0.9626	0.9231	0.9496	0.0029	−0.0024	−0.0008