
182
Touchless Fingerprint Biometrics
Table 6.19 Mean matching Scores for
Genuine Samples Captur ed Using
Touchless and Touch-Based Techniques
Mean Matching Score
Comparison between Genuines
Touchless–touchless 133.625
Touch–touch 157.163
Touch–touchless 62.288
Touchless–touch 62.349
efficiency, and satisfaction in a specified context of use.” This standard considers
three areas of measurement: efficiency, effectiveness, and user satisfaction.
1. Efficiency quantifies the resources expended to achieve accuracy and com-
pleteness. Efficiency is usually measured in terms of time.
2. Effectiveness measures the accuracy and completeness with which users
achieve specified