Table 13.

Comparison of NPCR and UACI values across methods about image Lena.

Image	NPCR			UACI
	R	G	B	R	G	B
Ours	0.9959	0.9960	0.9961	0.3354	0.3344	0.3345
Ref. [29]	0.9960	0.9961	0.9961	0.3356	0.3345	0.3349
Ref. [28]	0.9961	0.9961	0.9961	0.3343	0.3343	0.3342
Ref. [30]	0.9963	0.9960	0.9960	0.3360	0.3330	0.3340