Novel Approaches to Improve Iris Recognition System Performance Based on Local Quality Evaluation and Feature Fusion

Figure 2

Steps involved in preprocessing. (a) Original iris image, (b) ROI selection, (c) Canny transformation, (d) pupil and limbic localization, (e) iris region segmentation, (f) iris region is divided into circular regions, (g) iris region is divided into 8 parts labeled with track0, track1, …, track7 from bottom to top, and (h) enhanced image after histogram equalization.

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