Table 1.

Comparison of various biometric technologies' performance.

Biometrics	Universality	Distinctiveness	Permanence	Collectability	Feasibility	Acceptability	Circumvention
Hand vein	M	M	M	M	M	M	L
Walking gait	M	L	L	H	L	H	M
Odor	H	H	H	L	L	M	L
Ear	M	M	H	M	M	H	M
Finger geometry	M	M	M	H	M	M	M
Fingerprint	M	H	H	M	H	M	M
Face	H	L	M	H	L	H	H
Retina	H	H	M	L	H	L	L
Iris	H	H	H	M	H	L	L
Palm print	M	H	H	M	H	M	M
Voice	M	L	L	M	L	H	H
Signature	L	L	L	H	L	H	H
DNA	H	H	H	L	H	L	L