Detecting Precise Iris Boundaries by Circular Shortest Path Method

Ivan Matveev; Ivan Simonenko

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Paper

Detecting Precise Iris Boundaries by Circular Shortest Path Method

In Proceedings of the 4th International Workshop on Image Mining. Theory and Applications - Volume 0VISIGRAPP, 101-108, 2013 , Barcelona, Spain

Authors: Ivan Matveev ¹ and Ivan Simonenko ²

Affiliations: ¹ Computing Centre of Russian Academy of Sciences, Russian Federation ; ² Moscow Institute of Physics and Technology, Russian Federation

Keyword(s): iris segmentation, biometrics, image processing

Abstract: Modified circular shortest path detection method is applied for refining pupil and iris boundaries using given approximate pupil and iris circles. Brightness gradient direction is employed to choose image pixels, which may belong to pupil or iris boundary. Using initial approximate circles allows the method to work in a narrow ring, which contains only single circular contour. Under these conditions the method allows to correctly handle almost all images used for iris recognition tasks and appears to be more precise than human expert in marking the pupil border. The method was tested with public domain iris databases, containing more than 80000 images totally.

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Paper citation in several formats:

Matveev, I. and Simonenko, I. (2013). Detecting Precise Iris Boundaries by Circular Shortest Path Method. In Proceedings of the 4th International Workshop on Image Mining. Theory and Applications (VISIGRAPP 2013) - IMTA-4; ISBN 978-989-8565-50-1, SciTePress, pages 101-108. DOI: 10.5220/0004394501010108

@conference{imta-413,
author={Ivan Matveev. and Ivan Simonenko.},
title={Detecting Precise Iris Boundaries by Circular Shortest Path Method},
booktitle={Proceedings of the 4th International Workshop on Image Mining. Theory and Applications (VISIGRAPP 2013) - IMTA-4},
year={2013},
pages={101-108},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004394501010108},
isbn={978-989-8565-50-1},
}

TY - CONF

JO - Proceedings of the 4th International Workshop on Image Mining. Theory and Applications (VISIGRAPP 2013) - IMTA-4
TI - Detecting Precise Iris Boundaries by Circular Shortest Path Method
SN - 978-989-8565-50-1
AU - Matveev, I.
AU - Simonenko, I.
PY - 2013
SP - 101
EP - 108
DO - 10.5220/0004394501010108
PB - SciTePress