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

Table 11

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

		1	2	3	4	5	6	7	8	9	10
1	UACI	34.5764	18.5622	1.9700	39.7193	43.0302	12.3125	4.4068	40.1488	48.6447	20.7776
	NPCR	68.8828	36.9793	3.9246	79.1283	85.7243	24.5289	8.7791	79.9839	96.9093	41.3929
2	UACI	7.9196	0.9566	0.1960	15.6506	16.3404	0.5035	0.1959	14.2109	32.8500	1.7190
	NPCR	87.5687	81.3938	49.9817	93.7302	93.2835	76.1761	49.9420	86.6169	93.3601	67.2352
3	UACI	33.4245	32.9577	32.9665	33.6173	33.4770	33.5504	33.4176	32.8382	33.4229	32.5148
	NPCR	99.6040	99.6105	99.6094	99.6319	99.6090	99.6128	99.6162	99.6017	99.5922	99.5224
4	UACI	33.5433	33.4850	33.4328	33.4770	33.4972	33.4388	33.4096	33.4726	33.4217	33.4147
	NPCR	99.6140	99.6307	99.6166	99.6136	99.6037	99.6071	99.6059	99.5964	99.6056	99.6235
5	UACI	33.4336	33.4809	33.4824	33.4264	33.4568	33.5143	33.4470	33.3774	33.4297	33.3378
	NPCR	99.6151	99.5892	99.6128	99.6189	99.6273	99.5922	99.6407	99.6044	99.5819	99.6120
6	UACI	33.4377	33.4569	33.4803	33.4672	33.5039	33.4647	33.4143	33.5158	33.4548	33.4117
	NPCR	99.6021	99.5987	99.6178	99.5975	99.6174	99.6155	99.6090	99.6067	99.6140	99.6143
7	UACI	33.4281	33.4751	33.4826	33.4711	33.4626	33.4911	33.4976	33.4263	33.4891	33.5239
	NPCR	99.6052	99.6120	99.5922	99.5892	99.5998	99.6334	99.6040	99.6052	99.6258	99.6120
8	UACI	33.4534	33.5000	33.4770	33.4986	33.4616	33.4514	33.4376	33.4205	33.4672	33.5179
	NPCR	99.6265	99.5892	99.5953	99.6082	99.6101	99.6059	99.6014	99.6334	99.6258	99.6128
9	UACI	33.4524	33.5607	33.4740	33.5257	33.3783	33.5049	33.4948	33.4504	33.4197	33.4726
	NPCR	99.6223	99.6204	99.6002	99.5934	99.6124	99.5991	99.6025	99.5911	99.5953	99.6094
10	UACI	33.3259	33.4977	33.3791	33.5318	33.5857	33.4664	33.4249	33.4084	33.5136	33.5256
	NPCR	99.6155	99.6353	99.6536	99.6338	99.5850	99.5987	99.6536	99.6063	99.6155	99.6353