Parallel Encryption of Noisy Images Based on Sequence Generator and Chaotic Measurement Matrix

Table 8

Structural similarity between original image and decryption image.

Original image	Image with noise	Noise parameter	Cipher image	Decrypted image	SSIM
(impulse noise)		I = 0.02			0.7433
		I = 0.05			0.5275
		I = 0.1			0.3981
(Gaussian noise)		M = 0			0.5895
		V = 0.01
		M = 0			0.4853
		V = 0.02
		M = 0.2			0.5883
		V = 0.01