On Optimal Operator for Combining Left and Right Sole Pressure Data in Biometrics Security

Table 5

FARs in identification of combination operators.

Volunteers (person)	FAR (%)
	Combination operators						𝜇^𝑟𝑅 (16)	𝜇^𝑟𝐿	Euclidean distance
	Mean (17)	Minimum	Maximum	Product	Probabilistic	Weighting sum
20	0.00	0.44	0.53	0.18	0.00	0.00 (𝑤=0.49)	0.87	0.87	1.71
30	0.13	0.50	0.49	0.19	0.15	0.11 (𝑤=0.51)	0.79	0.93	1.57
40	0.19	0.49	0.54	0.20	0.18	0.18 (𝑤=0.49)	0.78	0.87	1.28
50	0.26	0.56	0.54	0.27	0.27	0.24 (𝑤=0.52)	0.81	0.85	1.15
90	0.39	0.55	0.54	0.40	0.41	0.39 (𝑤=0.50)	0.67	0.67	0.82