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Pupil Segmentation Using Orientation Fields, Radial Non-Maximal Suppression and Elliptic ApproximationLEE, S. , LEE, D. , PARK, Y. |
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Author keywords
image edge detection, image segmentation, image texture analysis, iris recognition, pattern analysis
References keywords
iris(15), recognition(10), segmentation(7), sign(4), patt(4)
Blue keywords are present in both the references section and the paper title.
About this article
Date of Publication: 2019-05-31
Volume 19, Issue 2, Year 2019, On page(s): 69 - 74
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2019.02009
Web of Science Accession Number: 000475806300009
SCOPUS ID: 85066319709
Abstract
This paper proposes a novel pupil segmentation method for robust iris recognition systems. The proposed method uses orientation fields to accurately detect an initial pupil center, and applies radial non-maximal suppression to remove non-pupil boundaries. Finally, we repeatedly fit the pupil boundary by radius-updating, center-shifting and region of interest (ROI) shrinking adjusting the radius and center of a circular model, and the estimated pupil boundary is approximated with a novel elliptic model. By the elliptic approximation, the pupil boundaries are more correctly segmented than those of circular models. The detection hit ratio is largely improved due to robust detection of the initial centers. The experimental results show that the proposed method can accurately detect pupils for various iris images. |
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[CrossRef] [Web of Science Times Cited 85] [SCOPUS Times Cited 102] Web of Science® Citations for all references: 4,621 TCR SCOPUS® Citations for all references: 7,315 TCR Web of Science® Average Citations per reference: 210 ACR SCOPUS® Average Citations per reference: 333 ACR TCR = Total Citations for References / ACR = Average Citations per Reference We introduced in 2010 - for the first time in scientific publishing, the term "References Weight", as a quantitative indication of the quality ... Read more Citations for references updated on 2024-11-16 16:30 in 124 seconds. Note1: Web of Science® is a registered trademark of Clarivate Analytics. Note2: SCOPUS® is a registered trademark of Elsevier B.V. Disclaimer: All queries to the respective databases were made by using the DOI record of every reference (where available). Due to technical problems beyond our control, the information is not always accurate. Please use the CrossRef link to visit the respective publisher site. |
Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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