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Fingerprint Image Enhancement Algorithm Based on Gabor Filter Using Multiresolution Image Information  

Oh Sang-Keun (LG전자기술원)
Park Yeung-Sub (삼성전자)
Park Chul-Hyun (퍼듀대학교)
Kim Bum-Su (삼성전자)
Won Jong-Un (한국전자통신연구원)
Park Kil-Houm (경북대학교)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.29, no.11C, 2004 , pp. 1510-1517 More about this Journal
Abstract
A new fingerprint image enhancement algorithm using multiresolution information and Gabor filter is proposed in this paper. The proposed algorithm performs selection of the region in image according to inclusion of singular points and then performs enhancement using Gabor filtering of the region adjusted in its size. Gabor filter using representative direction in the same block is used in the region that the direction of ridge is not changed much, while Gabor filter using pixel based direction is used in the region that the direction of ridge is changed much. This method can reduce processing time for enhancement using Gabor filter and preserve the merit of Gabor filter.
Keywords
fingerprint; Gabor filter; multiresolution; enhancement;
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