Image Encryption Technology Based on Fractional Two-Dimensional Triangle Function Combination Discrete Chaotic Map Coupled with Menezes-Vanstone Elliptic Curve Cryptosystem

Table 7

NPCR and UACI between cipher-images with slightly different plain-images.

Image	NPCR and UACI of Cameraman
	NPCR (1-round %)	UACI (1-round %)	NPCR (2-round %)	UACI (2-round %)
Figure 10(a)(30, 30)	4.84	1.64	99.57	33.61
Figure 10(a)(50, 50)	81.43	27.39	99.62	33.56
Figure 10(a)(80, 80)	80.87	27.19	99.59	33.51
Figure 10(a)(100, 100)	6.82	2.28	99.59	33.46