Sweeping fingerprint verification system based on template matching

Authors:
Sun-Yen Tan;Wen-Tzeng Huang;Chin-Hsing Chen;Yuan-Jen Chang
Affiliations:
Department of Electronic Engineering, National Taipei University of Technology, Taipei, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, Mingsin University of Science and Technology, Xinfeng, Hsinchu, Taiwan, R.O.C.;Department of Management Information Systems, Central Taiwan University of Science and Technology, Taichung City, Taiwan, R.O.C.;Department of Management Information Systems, Central Taiwan University of Science and Technology, Taichung City, Taiwan, R.O.C.
Venue:
ICNVS'10 Proceedings of the 12th international conference on Networking, VLSI and signal processing
Year:
2010

Citing 3
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Abstract

Recently, lots of electronic products have adopted the technology of the fingerprint recognition system to offer protection mechanism. The characteristics of Line-Sensor are smaller size, lower power consumption, and lower cost. Therefore, it is suitable for designing fingerprint sensor in embedded systems. Generally, a Line-Sensor builds up a completed picture through assembling the image segments received after one sweeping the fingerprint. However, sometimes, the sweeping rate is unstable and the pressing strength is varied. To avoid such problems influencing the final results, the Fast Normalized Cross Correlation (FastNCC) algorithm is employed here to process and correct the image data. Moreover, the Group Delay Spectrum (GDS) and Dynamic Programming (DP) are implemented to complete fingerprint comparisons.