A Chaotic Cryptosystem for Images Based on Henon and Arnold Cat Map

Table 12

Calculated UACI and NPCR for different combinations of and while in Fingerprint.

		1	2	3	4	5	6	7	8	9	10
1	UACI	0.1102	0.2833	0.2429	0.3697	0.3291	0.4672	0.6168	0.1744	0.0714	0.1102
	NPCR	14.0533	36.1149	30.9715	47.1390	41.9651	59.5711	78.6449	22.2366	9.0992	14.0533
2	UACI	0.4539	1.0997	1.0502	2.0179	2.0101	4.0957	16.3335	0.4905	0.1923	0.4539
	NPCR	71.9505	85.4733	86.7638	85.9703	84.3555	88.2622	89.8018	75.0031	49.0311	71.9505
3	UACI	32.7711	33.2829	23.0805	33.4200	33.3053	33.4104	33.9360	33.4891	34.1633	32.7711
	NPCR	99.6140	99.6277	99.3843	99.6178	99.5754	99.6014	99.6368	99.6098	99.7284	99.6140
4	UACI	33.5087	33.4496	33.4820	33.5291	33.3559	33.4629	33.5104	33.4655	33.4892	33.5087
	NPCR	99.6105	99.6220	99.6216	99.6178	99.6067	99.6181	99.6120	99.5991	99.6105	99.6105
5	UACI	33.5129	33.4573	33.4886	33.4295	33.5528	33.5534	33.4449	33.4749	33.5176	33.5129
	NPCR	99.6117	99.6181	99.5953	99.6269	99.5880	99.6021	99.6094	99.6166	99.5991	99.6117
6	UACI	33.4461	33.4562	33.5025	33.5266	33.4495	33.4262	33.4276	33.4117	33.4122	33.4461
	NPCR	99.5983	99.6094	99.6044	99.5956	99.5930	99.6132	99.6391	99.6204	99.5926	99.5983
7	UACI	33.3924	33.5282	33.4733	33.4923	33.5048	33.4279	33.4765	33.5338	33.4224	33.3924
	NPCR	99.6265	99.6075	99.6014	99.6273	99.6212	99.6075	99.5922	99.6101	99.6155	99.6265
8	UACI	33.4546	33.4874	33.5073	33.4015	33.4098	33.4831	33.3897	33.4127	33.5300	33.4546
	NPCR	99.6063	99.6025	99.6132	99.6159	99.6147	99.6292	99.5827	99.6315	99.5949	99.6063
9	UACI	33.5202	33.4528	33.5220	33.4781	33.4966	33.4986	33.4642	33.4896	33.5301	33.5202
	NPCR	99.6223	99.6201	99.5995	99.6304	99.5895	99.6002	99.6078	99.5880	99.5781	99.6223
10	UACI	33.3561	33.4246	33.4130	33.4110	33.3838	33.4363	33.5498	33.4906	33.4433	33.3561
	NPCR	99.6170	99.5872	99.5777	99.5884	99.6170	99.6048	99.5926	99.6140	99.5987	99.6170