A Secure Image Encryption Algorithm Based on Rubik's Cube Principle

Table 6

MSE between original images and the decrypted versions under different noise attacks.

Image	Salt and pepper noise		Speckle noise
	Density	MSE	Variance	MSE
Lena	0.05	3.42×10^3	0.05	5.30×10^3
	0.1	3.68×10^3	0.1	5.79×10^3
Black	0.05	1.06×10^3	0.05	8.11×10^3
	0.1	2.20×10^3	0.1	1.02×10^4
Baboon	0.05	2.38×10^3	0.05	3.97×10^3
	0.1	2.49×10^3	0.1	4.50×10^3
Checkerboard	0.05	2.44×10^4	0.05	2.12×10^4
	0.1	2.50×10^4	0.1	2.19×10^4