On Reconnection of Broken Ridges and Binarization for Fingerprint Images

Authors

  • Paridhi Munshi Dhirubhai Ambani Institute of Information & communication Technology, Gandhinagar, Gujarat, India
  • Suman K. Mitra Dhirubhai Ambani Institute of Information & communication Technology

DOI:

https://doi.org/10.37591/joarb.v1i1.133

Abstract

With the increase in security threats, use of biometrics for person identification and authentication has been increased. One of the oldest and most widely used forms of biometric is, Fingerprint. Since it is mainly used in forensic science, accuracy in the fingerprint identification is highly important. Most of the fingerprint identification systems are based on minutiae matching and a critical step in correct matching of fingerprint is extracting minutiae reliably from adequate quality images. However, fingerprint quality may be degraded and corrupted due to variations in skin, pressure and impression conditions. One of these degradations is due to the presence of unwanted breaks or creases on the surface of the image. Moreover most of the feature extraction algorithms work on binary images instead of the gray scale image and results of the feature extraction depends on the quality of binary image used. Keeping these points in mind, an enhancement technique for reconnection of broken ridges and binarization are proposed in this paper. Both of these pre-processing are employed prior to minutiae extraction to obtain a more reliable estimation of minutiae locations and there by expect to get a robust matching performance.

Keywords: Fingerprint recognition, minutiae, enhancement, binarization

References

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Published

2020-02-25

Issue

Vol. 1 No. 2 (2014)

Section

Research Articles

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