Stationary Hand Gesture Authentication Using Edit Distance on Finger Pointing Direction Interval

Table 8

Comparison of different biometrics approaches.

Type of biometrics	Keystroke dynamics	Mouse biometrics	Touch biometrics	Signature verification	Gesture
Naturalness	Unnatural	Unnatural	Seminatural	Seminatural	Natural
Versatility	Semiversatile; (device dependent)	Not; versatile	Semiversatile; (device dependent)	Semiversatile; (device dependent)	Versatile
Ease of use	Not easy	Not easy	Moderate	Moderate	Easy
Degree of freedom	Low	Low	Low	High	High
Error in	Low	Low	Low	Moderate	High
recognition
Cost	Low	Low	Moderate	Moderate	High