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

Table 13

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

Image	NPCR and UACI of Lax
	NPCR (1-round %)	UACI (1-round %)	NPCR (2-round %)	UACI (2-round %)
Figure 16(a)(30, 30)	1.21	0.40	99.62	33.39
Figure 16(a)(50, 50)	95.06	31.99	99.61	33.49
Figure 16(a)(80, 80)	94.92	31.87	99.58	33.41
Figure 16(a)(100, 100)	1.70	0.58	99.62	33.48