Research Article
A Novel Edge-Map Creation Approach for Highly Accurate Pupil Localization in Unconstrained Infrared Iris Images
Figure 1
(a) An ideal close-up iris image from CASIA-Iris-Interval, version 3.0; (b) a noisy and non-close-up iris image from CASIA-Iris-Thousand, version 4.0 (CITHV4).
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