Comparisons of Various Biometric Technologies

It is possible to understand if a human characteristic can be used for biometrics in terms of the following parameters:

• Uniqueness is how well the biometric separates individually from another.
• Permanence measures how well a biometric resists aging.
• Collectability ease of acquisition for measurement.
• Performance accuracy, speed, and robustness of technology used.
• Acceptability degree of approval of a technology.
• Circumvention ease of use of a substitute.

The following table shows a comparison of existing biometric systems in terms of those parameters. A low ranking indicates poor performance in the evaluation criterion whereas a high ranking indicates a very good performance.

 

* - circumventability listed with reversed colors because low is desirable here instead of high