Patent Document ID: 9002073
Application ID: 13773159
Patent Status: 1

Claim One:
1. A method of iris image acquisition, the method comprising: (A) acquiring, by a sensor, a plurality of images of a subject, the plurality of images including at least one image of an iris of the subject; (B) determining, by at least one processor, a quality metric based at least in part on an estimated area of the iris in the at least one image of the iris of the subject acquired in (A); and (C) in response to the quality metric determined in (B): (C1) modifying a focus setting of the sensor if the quality metric is lower than a predetermined threshold; and (C2) storing, in a memory, the at least one image of the iris of the subject and halting acquisition of the plurality of images of the subject in (A) if the quality metric is higher than the predetermined threshold.