Table 7 NPCR and UACI.

From: A DNA-based color image cryptosystem using chaotic maps, spiral mixing and non-linear binary operator

Image

NPCR, \(\alpha = 0.001\)

UACI, \(\alpha = 0.001\)

NPCR critical value = 99.5341

UACI range : [33.1593, 33.7676]

Red

Green

Blue

Red

Green

Blue

Fruit

99.6386

99.6118

99.5724

33.3419

33.4274

33.4146

Baboon

99.6062

99.6062

99.6154

33.3902

33.4853

33.2344

Pepper

99.5971

99.5986

99.6121

33.4408

33.4035

33.4181

Lake

99.5994

99.5986

99.6185

33.4693

33.3303

33.4835

All 0’s

99.6017

99.6017

99.6017

33.4731

33.4731

33.4731

Back to article page