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Accurate Iris Boundary Detection in Iris-Based Biometric Authentication Process

  • Somnath Dey
  • Debasis Samanta
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4815)

Abstract

This paper presents an efficient technique for accurate detection of iris boundary, which is an important issue for any iris-based biometric identification system. Our proposed technique follows scaling, histogram equalization, edge detection and finally removal of unnecessary edges present in the eye image. Scaling and removing unnecessary edges enables us to reduce the search space for iris boundary. Experimental results show that with our approach it is possible to detect iris boundary as much as 98% of the eye images in CASIA database accurately and it needs only 25% time compared to the existing approaches.

Keywords

Iris recognition biometric authentication image segmentation image processing 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Somnath Dey
    • 1
  • Debasis Samanta
    • 1
  1. 1.School of Information Technology, Indian Institute of Technology, Kharagpur, -721302India

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