Securing Digital Images through Simple Permutation-Substitution Mechanism in Cloud-Based Smart City Environment

Table 5

NPCR and UACI values of the experimented datasets.

Image	NPCR (%)	UACI (%)
Boats	99.61776	33.44965
Bridge	99.62539	33.46607
Baboon	99.62387	33.56153
Sailboat	99.62043	33.44339
Airplane	99.62234	33.45237
Peppers	99.62209	33.45786