Advantages:
a. Non intrusive
b. Cheap technology.
Voice recognition:
Advantages:
a. Non intrusive. High social acceptability.
b. Verification time is about five seconds.
c. Cheap technology.
Retinal scanning:
Advantages:
a. Very high accuracy.
b. There is no known way to replicate a retina.
c. The eye from a dead person would deteriorate too fast to be useful, so no extra precautions have to been taken with retinal scans to be sure the user is a living human being.
Iris recognition:
Advantages:
a. Very high accuracy.
b. Verification time is generally less than 5 seconds.
c. The eye from a dead person would deteriorate too fast to be useful, so no extra precautions have to been taken with retinal scans to be sure the user is a living human being.
Fingerprint:
Advantages:
a. Very high accuracy.
b. Is the most economical biometric PC user authentication technique.
c. it is one of the most developed biometrics
d. Easy to use.
e. Small storage space required for the biometric template, reducing the size of the database memory required
f. It is standardized.
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