Fingerprint templates combination

Wei Yun Yau, Kar Ann Toh, Tai Pang Chen

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The commercially available touch type fingerprint sensor, especially the solid state sensor, usually has a small capture area that is not sufficient to cover the entire finger. This causes the false rejection experienced by the user to be higher if the region of the finger scanned by the sensor is not significantly similar to the region presented when the user is enrolled in the fingerprint recognition system. This paper introduces an approach to reduce the high false rejection rate of the small touch sensor. We propose a fingerprint template combination approach which combines the fingerprint template obtained from multiple independent image capture to form an image that would represent the template obtained using a large fingerprint sensor. The combination process takes into account the deformation of the finger. Main advantages of this approach over existing image mosaicing approach include low memory storage requirement and low computational complexity. Moreover, a new region of the finger can be registered into the template at any time without having to store the entire fingerprint image and the overhead needed to search for the matching fingerprint can be reduced due to the reduction in the data redundancy. Extensive experiments were conducted to determine the best transformation suitable for minutiae alignment. Among the three transformations studied, quasi-affine transformation is found to be most suitable. The proposed combination approach is experimentally shown to improve the false rejection rate due to the user using different fingerprint regions while touching the sensor for recognition.

Original languageEnglish
Pages (from-to)449-460
Number of pages12
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3338
Publication statusPublished - 2004 Dec 1

Fingerprint

Dermatoglyphics
Fingerprint
Template
Sensors
Sensor
Fingers
Rejection
Solid-state sensors
Touch
Entire
Fingerprint Recognition
Redundancy
Computational complexity
Low Complexity
Data storage equipment
Affine transformation
Computational Complexity
Alignment
Cover
Sufficient

All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Theoretical Computer Science

Cite this

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Fingerprint templates combination. / Yau, Wei Yun; Toh, Kar Ann; Chen, Tai Pang.

In: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), Vol. 3338, 01.12.2004, p. 449-460.

Research output: Contribution to journalArticle

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