Research Article

A Novel Compressive Image Encryption with an Improved 2D Coupled Map Lattice Model

Table 1

The correlation coefficient results of the plain image and encrypted image.

ImagePlain imageEncrypted image
HVDHVD

LenaR0.88710.93160.85670.00160.00020.0038
G0.94200.97240.93170.00110.00080.0038
B0.97280.98640.96080.00250.00050.0004

PepperR0.96290.95270.9288−0.0027−0.00070.0043
G0.97720.98400.96340.0005−0.0025−0.0018
B0.95570.97130.9521−0.00150.00240.0065

WomenR0.95770.97400.9358−0.00860.00250.0011
G0.96450.98490.9534−0.00200.0087−0.0035
B0.98070.99100.9738−0.0066−0.00210.0020

TreeR0.95600.94220.93040.00190.00960.0064
G0.96730.94000.92400.00250.0035−0.0018
B0.96190.93580.9193−0.00040.0018−0.0025