Sequence Alignment with Dynamic Divisor Generation for Keystroke Dynamics Based User Authentication

Table 2

The result of AUC for six algorithms in Dataset number 1. The highest value of AUC result is in bold.

Subject	Algorithm
	SADD	Sequence alignment	Median vector proximity	Mahalanobis	Manhattan	Euclidean
1	0.91294	0.92024	0.91255	0.84844	0.81886	0.79240
2	0.97029	0.96491	0.96794	0.88018	0.87374	0.86002
3	0.98542	0.97690	0.95917	0.96926	0.89572	0.84620
4	0.99472	0.99249	0.99634	0.97216	0.96588	0.93968
5	0.97759	0.97771	0.97867	0.96218	0.93860	0.95596
6	0.98896	0.98872	0.98927	0.97972	0.94190	0.92976
7	0.99936	0.99835	0.99800	0.98944	0.99448	0.99088
8	0.99395	0.99359	0.99498	0.96762	0.95878	0.95658
9	0.99918	0.99846	0.99933	0.97772	0.97190	0.93394
10	0.99970	0.99978	0.99311	0.96102	0.96404	0.94450
11	0.98905	0.99086	0.96766	0.93818	0.87728	0.85674
12	0.89676	0.85888	0.87452	0.91010	0.81641	0.82154
13	0.99871	0.99626	0.99809	0.99184	0.98328	0.97100
14	0.98766	0.98363	0.98269	0.92130	0.89508	0.87682
15	0.99442	0.99460	0.99430	0.97628	0.95916	0.93830
16	0.97430	0.95875	0.95498	0.93130	0.81956	0.83250
17	0.96347	0.96203	0.96723	0.94258	0.94638	0.93536
18	0.97977	0.97453	0.99634	0.98998	0.85226	0.63850
19	0.96628	0.96097	0.99002	0.99272	0.91926	0.86964
20	0.98631	0.98169	0.97971	0.95914	0.94242	0.91234
21	0.98708	0.97760	0.98939	0.97928	0.95504	0.94054
22	0.99145	0.98747	0.99111	0.96448	0.90074	0.85908
23	0.99391	0.98614	0.98325	0.98912	0.94938	0.91076
24	0.98912	0.98902	0.99239	0.96422	0.96178	0.92958
25	0.90524	0.89650	0.96463	0.91256	0.92642	0.88396
26	0.86154	0.85887	0.87943	0.84346	0.76234	0.73782
27	0.91178	0.93407	0.90287	0.79592	0.83082	0.84098
28	0.88261	0.87920	0.89901	0.93832	0.81372	0.71792
29	0.98055	0.98507	0.92300	0.89790	0.80930	0.76686
30	0.95856	0.94897	0.93700	0.93106	0.81390	0.80098
31	0.99604	0.99028	0.99899	0.99964	0.98006	0.96314
32	0.98061	0.98122	0.95802	0.94178	0.90500	0.87796
33	0.97399	0.96602	0.97599	0.95766	0.93116	0.90708
34	0.99356	0.98958	0.99164	0.94522	0.92062	0.89656
35	0.90270	0.86283	0.92857	0.87956	0.70992	0.61772
36	0.98176	0.97069	0.98948	0.93214	0.90228	0.87042
37	0.99873	0.99707	0.99911	0.96974	0.98362	0.96498
38	0.99488	0.98635	0.99702	0.99290	0.95578	0.89508
39	0.97015	0.95877	0.95811	0.97590	0.92448	0.89638
40	0.96546	0.96143	0.95883	0.93078	0.89306	0.90874
41	0.89218	0.90912	0.85444	0.80208	0.70720	0.76250
42	0.99264	0.99112	0.99190	0.97140	0.95162	0.93066
43	0.92320	0.91166	0.98007	0.93964	0.55174	0.52548
44	0.98860	0.98114	0.98077	0.95566	0.90678	0.89028
45	0.96613	0.96170	0.97195	0.94778	0.94792	0.95978
46	0.99974	0.99930	0.99831	0.99286	0.99016	0.97922
47	0.99926	0.99910	0.99904	0.99086	0.99130	0.97598
48	0.97999	0.96864	0.97639	0.95596	0.96432	0.96334
49	0.99996	0.99994	0.99900	0.99504	0.99894	0.99572
50	0.99533	0.99344	0.98778	0.94522	0.93800	0.93418
51	0.98853	0.98566	0.98125	0.95238	0.92136	0.93976
Total; Wins	49.50412; 20	49.28132; 8	49.43454; 18	48.25168; 5	46.03375; 0	44.84610; 0