A New Scheme for the Polynomial Based Biometric Cryptosystems

Table 6

Description of the parameter used in different vaults.

Parameter	Biometric database
	Fingerprint	Palmprint	Iris	Hand veins
No of users	100	150	108	100
No of samples per user	3	5	4	3
Value of cutoff threshold (𝛼)	21	0.2	21	35
Best value of tolerance (𝛽)	20	24	24	22