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

Table 4

The result of AUC for six algorithms in Dataset number 3. The highest value of AUC result is in bold.

Subject	Algorithm
	SADD	Sequence alignment	Median vector proximity	Mahalanobis	Manhattan	Euclidean
1	0.91878	0.91561	0.92803	0.84844	0.82134	0.79844
2	0.97017	0.96301	0.97068	0.88018	0.88380	0.85948
3	0.98415	0.97933	0.95722	0.96926	0.90408	0.85802
4	0.99602	0.99316	0.99697	0.97216	0.96790	0.94638
5	0.98845	0.98843	0.99180	0.96218	0.95524	0.96498
6	0.99111	0.98988	0.99043	0.97972	0.92956	0.92516
7	0.99928	0.99884	0.99874	0.98944	0.99544	0.99210
8	0.99434	0.99422	0.99510	0.96762	0.95000	0.94710
9	0.99877	0.99693	0.99721	0.97772	0.95844	0.92222
10	0.99970	0.99974	0.99689	0.96102	0.96640	0.94618
11	0.98862	0.98864	0.96965	0.93818	0.87660	0.86392
12	0.89050	0.86445	0.84490	0.91010	0.82128	0.83304
13	0.99877	0.99702	0.99727	0.99184	0.97992	0.96996
14	0.98520	0.98127	0.97807	0.92130	0.88548	0.87208
15	0.99006	0.99071	0.99299	0.97628	0.94972	0.93500
16	0.95655	0.94369	0.94444	0.93130	0.80648	0.83034
17	0.96680	0.96742	0.97450	0.94258	0.95020	0.93990
18	0.96225	0.95484	0.98715	0.98998	0.80096	0.60398
19	0.95516	0.95233	0.98263	0.99272	0.90200	0.86606
20	0.98398	0.98131	0.97650	0.95914	0.94202	0.91498
21	0.97955	0.97219	0.98599	0.97928	0.95442	0.94144
22	0.99033	0.98696	0.99062	0.96448	0.89646	0.86752
23	0.99109	0.98497	0.98092	0.98912	0.94574	0.91436
24	0.99158	0.99109	0.99410	0.96422	0.95720	0.92892
25	0.87958	0.87253	0.96272	0.91256	0.93030	0.89172
26	0.87085	0.87509	0.88064	0.84346	0.77044	0.74542
27	0.92324	0.93092	0.92630	0.79592	0.84516	0.84584
28	0.86118	0.87980	0.88506	0.93832	0.85035	0.77736
29	0.97665	0.98056	0.92037	0.89790	0.80344	0.76698
30	0.95948	0.95189	0.95176	0.93106	0.82536	0.81706
31	0.98530	0.97686	0.99673	0.99964	0.97476	0.95788
32	0.97732	0.97706	0.95275	0.94178	0.88974	0.87134
33	0.97796	0.97639	0.97776	0.95766	0.93554	0.91100
34	0.99097	0.98795	0.98872	0.94522	0.91766	0.90142
35	0.86485	0.84880	0.88478	0.87956	0.73278	0.64826
36	0.9760	0.96774	0.97859	0.93214	0.90458	0.88226
37	0.99892	0.99692	0.99944	0.96974	0.98150	0.96516
38	0.98589	0.97523	0.99420	0.99290	0.94534	0.88950
39	0.97196	0.96555	0.94897	0.97590	0.91350	0.89376
40	0.96815	0.96767	0.96202	0.93078	0.88326	0.90798
41	0.91268	0.92235	0.88391	0.80208	0.72702	0.77560
42	0.99197	0.99096	0.99086	0.97140	0.95082	0.93314
43	0.89182	0.89006	0.96234	0.93964	0.54252	0.54492
44	0.98709	0.98154	0.98108	0.95566	0.89562	0.88752
45	0.97411	0.97339	0.98341	0.94778	0.94900	0.96054
46	0.99971	0.99942	0.99838	0.99286	0.98820	0.97910
47	0.99952	0.99957	0.99873	0.99086	0.98826	0.97440
48	0.98405	0.97524	0.98639	0.95596	0.96146	0.96468
49	0.99996	0.99994	0.99991	0.99504	0.99734	0.99464
50	0.99212	0.99190	0.98780	0.94522	0.93488	0.92860
51	0.98937	0.98596	0.98243	0.95238	0.92398	0.94170
Total; Wins	49.36191; 20	49.21733; 6	49.38885; 19	48.25168; 6	45.96349; 0	44.99934; 0