Performance of the 2D Coupled Map Lattice Model and Its Application in Image Encryption

Table 8

The NPCR and UACI values of the encrypted image.

Image	Channel	Chang bit	NPCR	UACI
Lena	R	First pixel	0.9960	0.3347
		Last pixel	0.9960	0.3341
	G	First pixel	0.9959	0.3342
		Last pixel	0.9961	0.3351
	B	First pixel	0.9961	0.3347
		Last pixel	0.9960	0.3347
Chocolate	R	First pixel	0.9962	0.3347
		Last pixel	0.9959	0.3348
	G	First pixel	0.9961	0.3346
		Last pixel	0.9959	0.3346
	B	First pixel	0.9959	0.3343
		Last pixel	0.9962	0.3342