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Pupil Contour Extraction Method of Anti-light Spot Interference for Iris Image Captured in Visible Light

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Biometric Recognition (CCBR 2014)

Part of the book series: Lecture Notes in Computer Science ((LNIP,volume 8833))

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Abstract

Point light sources always reflect on color iris image captured by portable color iris image capturing device, which will affect the pupil contour extraction. A pupil’s contour extraction method of anti-light spot interference is given in this paper to solve the problem. Firstly, the expanded pupil region is unfolded into a rectangle image. Secondly, all the light spot regions in the rectangle image are positioned by projecting method of axial directions after binarization and median filtering. Thirdly, these regions are filled by image inpainting technique based on fast marching method. Then, pupil contour extraction can be launched. Next, those regions which are close to contour line are repaired so that the entire exact pupil contour is finally extracted out. In addition, the experiment about this method is conducted with 200 color iris images. The results show that this method has considerable validity and adaptability.

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Author information

Authors and Affiliations

  1. School of Information Science and Technology, Shenyang University of Technology, No.111, Shenliao West Road, Economic & Technological Development Zone, Shenyang, 110870, P.R. China

    Xia Yu, Jian Song & Weiqi Yuan

Authors
  1. Xia Yu
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  2. Jian Song
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  3. Weiqi Yuan
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Editor information

Editors and Affiliations

  1. National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, P.O. Box 2728, 100190, Beijing, China

    Zhenan Sun

  2. Institute of Computing Technology, Chinese Academy of Sciences, No.6 Kexueyuan South Road, P.O. Box 2704, 100190, HaiDian, Beijing, China

    Shiguang Shan

  3. School of Information Science and Engineering, Shenyang University of Technology, No.111, Shenliao West Road, Economic and Technological Development Zone, 110870, Shenyang, China

    Haifeng Sang  & Weiqi Yuan  & 

  4. Software Engineering Institute, Tsinghua University, No. 1 Tsinghua Yuan, Haidian District, 100084, Beijing, China

    Jie Zhou

  5. School of Computer Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, 100191, Beijing, China

    Yunhong Wang

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© 2014 Springer International Publishing Switzerland

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Cite this paper

Yu, X., Song, J., Yuan, W. (2014). Pupil Contour Extraction Method of Anti-light Spot Interference for Iris Image Captured in Visible Light. In: Sun, Z., Shan, S., Sang, H., Zhou, J., Wang, Y., Yuan, W. (eds) Biometric Recognition. CCBR 2014. Lecture Notes in Computer Science, vol 8833. Springer, Cham. https://doi.org/10.1007/978-3-319-12484-1_38

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  • DOI: https://doi.org/10.1007/978-3-319-12484-1_38

  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-12483-4

  • Online ISBN: 978-3-319-12484-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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