CASIA OpenIR  > 09年以前成果
Fingerprint enhancement using oriented diffusion filter
Cheng, J; Tian, J; Chen, H; Ren, Q; Yang, X; Kittler, J; Nixon, MS; Tian, Jie
2003
发表期刊AUDIO-AND VIDEO-BASED BIOMETRIC PERSON AUTHENTICATION, PROCEEDINGS
卷号2688期号:2003页码:164-171
文章类型Article
摘要Fingerprint enhancement is a critical step in a fingerprint identification system. Recently, some anisotropic nonlinear diffusion filter is applied to the fingerprint preprocessed. Impressive results are main reason for using nonlinear diffusion filtering in image processing. Poor efficiency, especially the computational load, is the main reason for not using nonlinear diffusion filtering. In order to improve the efficiency, a novel piecewise nonlinear diffusion for fingerprint enhancement is presented. It shows anisotropic diffusion equation using diffusion tensor which continuously depends on the gradient is not necessary to smooth the fingerprint. We simplify the anisotropic nonlinear-diffusion in order to satisfy a real-time fingerprint recognition system. According to the local character of the fingerprint, the diffusion filter is steered by the orientation of ridge. Experimental results illustrate that our enhancement algorithm can satisfy the requirement of an AFIS.
关键词Diffusionfilter
WOS标题词Science & Technology ; Technology
关键词[WOS]VERIFICATION
收录类别SCI ; ISTP
语种英语
WOS研究方向Computer Science ; Imaging Science & Photographic Technology
WOS类目Computer Science, Artificial Intelligence ; Computer Science, Theory & Methods ; Imaging Science & Photographic Technology
WOS记录号WOS:000184940200020
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9928
专题09年以前成果
通讯作者Tian, Jie
作者单位Chinese Acad Sci, Biometr Res Grp, Inst Automat, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714
Cheng, J,Tian, J,Chen, H,et al. Fingerprint enhancement using oriented diffusion filter[J]. AUDIO-AND VIDEO-BASED BIOMETRIC PERSON AUTHENTICATION, PROCEEDINGS,2003,2688(2003):164-171.
APA Cheng, J.,Tian, J.,Chen, H.,Ren, Q.,Yang, X.,...&Tian, Jie.(2003).Fingerprint enhancement using oriented diffusion filter.AUDIO-AND VIDEO-BASED BIOMETRIC PERSON AUTHENTICATION, PROCEEDINGS,2688(2003),164-171.
MLA Cheng, J,et al."Fingerprint enhancement using oriented diffusion filter".AUDIO-AND VIDEO-BASED BIOMETRIC PERSON AUTHENTICATION, PROCEEDINGS 2688.2003(2003):164-171.
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