Image Encryption Technology Based on Fractional Two-Dimensional Triangle Function Combination Discrete Chaotic Map Coupled with Menezes-Vanstone Elliptic Curve Cryptosystem

Table 3

Information entropy.

Image	Original image	Encrypted image
Cameraman	7.0097	7.9974
Peppers	7.5739	7.9976
Dollar	6.9785	7.9992
Lax	6.8272	7.9993
Aerial	6.9940	7.9992
Lena	7.2185	7.9993
Lake	7.4845	7.9993
Columbia	7.2736	7.9992
Boat	6.9391	7.9972