Short communciation: Iris recognition: Analysis of the error rates regarding the accuracy of the segmentation stage

Authors:
Hugo Proença;Luís A. Alexandre
Affiliations:
University of Beira Interior, Department of Computer Science, IT - Institute of Telecommunications, Networks and Multimedia Group, 6200 Covilhã, Portugal;University of Beira Interior, Department of Computer Science, IT - Institute of Telecommunications, Networks and Multimedia Group, 6200 Covilhã, Portugal
Venue:
Image and Vision Computing
Year:
2010

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Abstract

Iris recognition has been widely used in several scenarios with very satisfactory results. As it is one of the earliest stages, the image segmentation is in the basis of the process and plays a crucial role in the success of the recognition task. In this paper we analyze the relationship between the accuracy of the iris segmentation process and the error rates of three typical iris recognition methods. We selected 5000 images of the UBIRIS, CASIA and ICE databases that the used segmentation algorithm can accurately segment and artificially simulated four types of segmentation inaccuracies. The obtained results allowed us to conclude about a strong relationship between translational segmentation inaccuracies - that lead to errors in phase - and the recognition error rates.