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Iris Boundaries Segmentation Using the Generalized Structure Tensor: A Study on the Effects of Image Degradation
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Intelligent Systems´ laboratory.ORCID iD: 0000-0002-1400-346X
Halmstad University, School of Information Technology, Halmstad Embedded and Intelligent Systems Research (EIS), Intelligent Systems´ laboratory.ORCID iD: 0000-0002-4929-1262
2012 (English)In: Biometrics: Theory, Applications and Systems (BTAS), 2012 IEEE Fifth International Conference on, Piscataway, N.J.: IEEE Press, 2012, 426-431 p., 6374610Conference paper, Published paper (Refereed)
Abstract [en]

We present a new iris segmentation algorithm based onthe Generalized Structure Tensor (GST), which also includesan eyelid detection step. It is compared with traditionalsegmentation systems based on Hough transformand integro-differential operators. Results are given usingthe CASIA-IrisV3-Interval database. Segmentation performanceunder different degrees of image defocus and motionblur is also evaluated. Reported results shows the effectivenessof the proposed algorithm, with similar performancethan the others in pupil detection, and clearly betterperformance for sclera detection for all levels of degradation.Verification results using 1D Log-Gabor wavelets arealso given, showing the benefits of the eyelids removal step.These results point out the validity of the GST as an alternativeto other iris segmentation systems. © 2012 IEEE.

Place, publisher, year, edition, pages
Piscataway, N.J.: IEEE Press, 2012. 426-431 p., 6374610
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:hh:diva-19310DOI: 10.1109/BTAS.2012.6374610Scopus ID: 2-s2.0-84871986530ISBN: 9781467313834 (electronic)OAI: oai:DiVA.org:hh-19310DiVA: diva2:545745
Conference
The IEEE Fifth International Conference on Biometrics: Theory, Applications and Systems (BTAS 2012), Washington DC, September 23-26, 2012
Projects
CAISR research program of the Swedish Knowledge FoundationEU BBfor2 Marie Curie Initial Training Network "Bayesian Biometrics for Forensics" (FP7-ITN-238803)EU COST Action IC1106 "Integrating Biometrics and Forensics for the Digital Age"EU FP7 Marie Curie Intra-European Fellowship "FP7-PEOPLE-2009-IEF-254261-BIO-DISTANCE"Swedish Research Council Postdoctoral Grant "2009-7215"
Funder
EU, FP7, Seventh Framework Programme, 254261Swedish Research Council, Postdoctoral Grant 2009-7215Knowledge Foundation
Available from: 2012-08-30 Created: 2012-08-21 Last updated: 2017-09-27Bibliographically approved

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