CASIA OpenIR  > 中国科学院分子影像重点实验室
Estimation of fingerprint orientation field by weighted 2D fourier expansion model
Tao, Xunqiang; Yang, Xin; Cao, Kai; Wang, Ruifang; Li, Peng; Tian, Jie
2010
Conference NameInternational Conference on Pattern Recognition
Source PublicationInternational Conference on Pattern Recognition (ICPR)
Pages1253-1256
Conference Date2010
Conference PlaceIstanbul, Turkey
AbstractAbstract—Accurate estimation of fingerprint orientation field is an essential module in fingerprint recognition. This paper proposes a novel technique for improving fingerprint orientation field estimation by fingerprint orientation model based on weighted 2D fourier expansion(W-FOMFE). The motivation for the proposed method can be found by: 1)the original FOMFE is sensitive to abrupt changes in orientation field; 2) blocks of different quality should have different impacts on FOMFE. Thus, we take into account the information of the Harris-corner strength (HCS) for orientation field estimation. In our method, we first calculate the fingerprint’ HCS; then use the HCS to remove abrupt changes in orientation field; finally, incorporate the normalized HCS as weighted value into original FOMFE. We test our method on FVC2004DB1. Experimental results show that our method (W-FOMFE) has better orientation field estimation than FOMFE.
KeywordFingerprint Orientation Harris-corner Strength Weighted 2d Fourier Expansion
Indexed ByEI
Document Type会议论文
Identifierhttp://ir.ia.ac.cn/handle/173211/5428
Collection中国科学院分子影像重点实验室
Corresponding AuthorTian, Jie
Recommended Citation
GB/T 7714
Tao, Xunqiang,Yang, Xin,Cao, Kai,et al. Estimation of fingerprint orientation field by weighted 2D fourier expansion model[C],2010:1253-1256.
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