3-Image Bit-Level Encryption Algorithm Based on 3D Nonequilateral Arnold Transformation and Hyperchaotic System

Table 5

The NPCR and UACI values for encrypting three test images.

	Lena			Liftingbody			Barbara
	R	G	B	R	G	B	R	G	B
NPCR	0.9696	0.9696	0.9696	0.9934	0.9934	0.9934	0.9954	0.9954	0.9954
UACI	0.3346	0.3336	0.3349	0.3359	0.3353	0.3357	0.3357	0.3352	0.3374