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)1.210.4099.6233.39
Figure 16(a)(50, 50)95.0631.9999.6133.49
Figure 16(a)(80, 80)94.9231.8799.5833.41
Figure 16(a)(100, 100)1.700.5899.6233.48