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Sensors 2015, 15(4), 7807-7822; doi:10.3390/s150407807

A Support Vector Machine Approach for Truncated Fingerprint Image Detection from Sweeping Fingerprint Sensors

1
Department of Computer Science and Engineering, National Taiwan Ocean University, Pei-Ning Road, Keelung 20224, Taiwan
2
Egis Technology Inc., 2F, No. 360, Rueiguang Road, Neihu District, Taipei 11492, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 9 February 2015 / Revised: 20 March 2015 / Accepted: 24 March 2015 / Published: 31 March 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1464 KB, uploaded 31 March 2015]   |  

Abstract

A sweeping fingerprint sensor converts fingerprints on a row by row basis through image reconstruction techniques. However, a built fingerprint image might appear to be truncated and distorted when the finger was swept across a fingerprint sensor at a non-linear speed. If the truncated fingerprint images were enrolled as reference targets and collected by any automated fingerprint identification system (AFIS), successful prediction rates for fingerprint matching applications would be decreased significantly. In this paper, a novel and effective methodology with low time computational complexity was developed for detecting truncated fingerprints in a real time manner. Several filtering rules were implemented to validate existences of truncated fingerprints. In addition, a machine learning method of supported vector machine (SVM), based on the principle of structural risk minimization, was applied to reject pseudo truncated fingerprints containing similar characteristics of truncated ones. The experimental result has shown that an accuracy rate of 90.7% was achieved by successfully identifying truncated fingerprint images from testing images before AFIS enrollment procedures. The proposed effective and efficient methodology can be extensively applied to all existing fingerprint matching systems as a preliminary quality control prior to construction of fingerprint templates. View Full-Text
Keywords: sweeping fingerprint sensor; truncated fingerprint; support vector machine; biometric recognition sweeping fingerprint sensor; truncated fingerprint; support vector machine; biometric recognition
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chen, C.-J.; Pai, T.-W.; Cheng, M. A Support Vector Machine Approach for Truncated Fingerprint Image Detection from Sweeping Fingerprint Sensors. Sensors 2015, 15, 7807-7822.

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