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

Table 11

The NPCR and UACI results of our scheme and others.

Image	NPCR				UACI
	R	G	B	Average	R	G	B	Average
Lena in ours	0.9960	0.9959	0.9961	0.996000	0.3347	0.3342	0.3346	0.334500
Lena in [30]	0.9961	0.9963	0.9961	0.996167	0.3347	0.3345	0.3348	0.334667
Lena in [31]	0.9961	0.9961	0.9961	0.996100	0.3346	0.3346	0.3347	0.334633
Lena in [32]	0.9969	0.9969	0.9969	0.996900	0.3333	0.3333	0.3333	0.333300
Lena in [33]	0.9967	0.9969	0.9969	0.996833	0.3352	0.3353	0.3354	0.335300
Lena in [34]	0.9961	0.9961	0.9961	0.996100	0.3349	0.3349	0.3347	0.334833
Lena in [35]	0.9973	0.9968	0.9970	0.997033	0.3346	0.3345	0.3346	0.334567
Lena in [36]	0.9967	0.9964	0.9965	0.996533	0.3351	0.3350	0.3349	0.335000
Lena in [37]	0.9964	0.9965	0.9964	0.996433	0.3343	0.3347	0.3348	0.334600
Lena in [38]	0.9962	0.9961	0.9962	0.996167	0.3342	0.3343	0.3346	0.334367