Table 14 Plaintext sensitivity analysis.

From: Image encryption with 6D hyperchaotic system and vision transformer autoencoder

Image

NPCR

UACI

Barbara

99.6131

33.4606

Boats

99.6124

33.4709

Female

99.6116

33.4519

House

99.6094

33.4467

Jelly beans

99.6154

33.4678

Peppers

99.6078

33.4774

Plane

99.6093

33.4621

Sailboat

99.6147

33.4600

Splash

99.6124

33.4644

Tree

99.6116

33.4547

Average

99.6118

33.4616