A High-Security Privacy Image Encryption Algorithm Based on Chaos and Double Encryption Strategy

Table 6

Key sensitivity analysis (%).

NPCR/UACI	Figure 11(a)	Figure 11(b)	Figure 11(c)	Figure 11(d)	Figure 11(e)	Figure 11(f)
Figure 11(a)	—	0.304531	0.303453	0.304182	0.303810	0.304662
Figure 11(b)	0.995910	—	0.335992	0.335495	0.335304	0.336274
Figure 11(c)	0.996135	0.995716	—	0.336461	0.335448	0.336229
Figure 11(d)	0.995998	0.995811	0.995693	—	0.336208	0.337019
Figure 11(e)	0.996055	0.995536	0.995723	0.995811	—	0.336059
Figure 11(f)	0.996269	0.995491	0.995655	0.995841	0.995758	—