Using Medical History Embedded in Biometrics Medical Card for User Identity Authentication: Privacy Preserving Authentication Model by Features Matching

Table 1

Correlation coefficient matrix shows a segment of correlated attributes from our experimental data.

	Item 1	Item 2	Item 3	Item 4	Item 5	Item 6	Item 7	Item 8	Item 9	Item 10	Item 11	Item 12	Item 13	Item 14
Item 1	1
Item 2	0.304628	1
Item 3	0.086859	0.955484	1
Item 4	0.268803	−0.64095	−0.8371	1
Item 5	−0.16671	0.876819	0.904209	−0.69252	1
Item 6	−0.83893	−0.50437	−0.42444	0.255924	−0.04098	1
Item 7	−0.16783	0.880265	0.913895	−0.71313	0.999567	−0.055	1
Item 8	−0.76751	0.151117	0.226658	−0.21787	0.598202	0.775897	0.586164	1
Item 9	−0.16533	0.88728	0.933745	−0.75615	0.995487	−0.08997	0.997845	0.554419	1
Item 10	−0.14374	0.896828	0.963708	−0.826	0.975886	−0.1679	0.981833	0.477619	0.992128	1
Item 11	−0.16987	0.881941	0.920922	−0.7297	0.998566	−0.06535	0.999708	0.576789	0.999127	0.986037	1
Item 12	−0.84519	−0.4055	−0.32866	0.194064	0.06833	0.993808	0.053754	0.840339	0.017242	−0.06468	0.042858	1
Item 13	−0.38102	0.759633	0.843887	−0.74226	0.973958	0.126083	0.975193	0.712566	0.973904	0.956482	0.975849	0.229056	1
Item 14	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	#DIV/0!	1