Measuring Biometric Sample Quality in terms of Biometric Feature Information in Iris Images
Biometric iris feature information as a function of radius. It is seen that the BI is slightly larger at a small radius (i.e., close to the pupil boundary) which signifies that the iris contains richer information within the collarette area. A 4th-order polynomial curve fit is shown over the BI graph in order to demonstrate the curve trend.
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