Local Quality Method for the Iris Image Pattern

  • Luis Miguel Zamudio-Fuentes
  • Mireya S. García-Vázquez
  • Alejandro Alvaro Ramírez-Acosta
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7042)

Abstract

Recent researches on iris recognition without user cooperation have introduced video-based iris capturing approach. Indeed, it provides more information and more flexibility in the image acquisition stage for noncooperative iris recognition systems. However, a video sequence can contain images with different level of quality. Therefore, it is necessary to select the highest quality images from each video to improve iris recognition performance. In this paper, we propose as part of a video quality assessment module, a new local quality iris image method based on spectral energy analysis. This approach does not require the iris region segmentation to determine the quality of the image such as most of existing approaches. In contrast to other methods, the proposed algorithm uses a significant portion of the iris region to measure the quality in that area. This method evaluates the energy of 1000 images which were extracted from 200 iris videos from the MBGC NIR video database. The results show that the proposed method is very effective to assess the quality of the iris information. It obtains the highest 2 images energies as the best 2 images from each video in 226 milliseconds.

Keywords

Iris recognition biometrics video quality assessment 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Luis Miguel Zamudio-Fuentes
    • 1
  • Mireya S. García-Vázquez
    • 1
  • Alejandro Alvaro Ramírez-Acosta
    • 2
  1. 1.Centro de Investigación y Desarrollo de Tecnología Digital (CITEDI-IPN)TijuanaMéxico
  2. 2.MIRAL. R&DUSA

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