Encyclopedia of Biometrics

2009 Edition
| Editors: Stan Z. Li, Anil Jain

Fingerprint Image Enhancement

  • Masanori Hara
Reference work entry
DOI: https://doi.org/10.1007/978-0-387-73003-5_49

Synonyms

Definition

Fingerprint image enhancement is the process of applying techniques to emphasize fingerprint images in order to facilitate the identification of ridge valley structures and hence their features.

Introduction

Computerized fingerprint feature extractors more or less require some sort of image pre-processing or enhancement to improve perceptibility. In doing so, they need to contend with two major types of problems: one is associated with image contrast such as insufficient dynamic range, and the other is associated with adverse physical factors such as scars, blurs, creases, sweat pores, and incipient ridges. Fingerprint image enhancement aims to minimize the undesired effects caused by such elements in order to extract a sufficient number of reliable features, namely, minutiae and fingerprint singularities (cores and deltas). Broadly speaking, fingerprint image enhancement encompasses, but is...

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Notes

Acknowledgments

The sample images are courtesy of the NIST and the University of Bologna [14, 15]. The author would like to thank Amane Yoshida for proofreading and rewriting in English. For more information on the technical details, refer to ‘Fingerprint Analysis and Representation’ in Handbook of Fingerprint Recognition by Maltoni Et al. [2].)

References

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    Hara, M.: Image Density Conversion Method, Image Enhancement Processor, and Program Thereof (USP 20080050030A1 – Pending)Google Scholar
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    Capello, R. et al.: Method and apparatus for contextual data enhancement (USP 4,876,726)Google Scholar
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    Hara, M.: System for recognizing fingerprint image, method and program for the same (USP 20070036401A1 – Pending)Google Scholar
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    Paul, A. et al.: A study of image enhancement techniques for fingerprint identification. Proceedings of the IEEE International Conference on Video and Signal Based Surveillance (AVSS’06) (2006)Google Scholar
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    NIST (National Institute of Standard and Technologies) Special Database #27 – http://www.nist.gov/srd/nistsd27.htm
  15. 15.
    FVC2002 Second Fingerprint Verification Competition Database – http://bias.csr.unibo.it/fvc2002/

Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Masanori Hara
    • 1
  1. 1.NEC CorporationTokyoJapan