A New Image Encryption Scheme Based on Hybrid Chaotic Maps

Table 5

Correlation coefficient of the original images and their encrypted images using the proposed chaotic maps.

Image	Direction	Horizontal	Diagonal	Vertical
Lena	Plan image	0.98453	0.97553	0.95271
	Encrypted image	0.00047	0.00305	−0.03911
Cameraman	Plan image	0.92021	0.91321	0.90124
	Encrypted image	0.00212	−0.00205	0.00190
Baboon	Plan image	0.91251	0.9029	0.89215
	Encrypted image	0.00318	−0.00294	0.00285
Peppers	Plan image	0.97543	0.97697	0.95871
	Encrypted image	0.00198	0.02547	0.04321