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
Source PublicationAUDIO-AND VIDEO-BASED BIOMETRIC PERSON AUTHENTICATION, PROCEEDINGS
2003
Volume2688Issue:2003Pages:164-171
SubtypeArticle
AbstractFingerprint 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.
KeywordDiffusionfilter
WOS HeadingsScience & Technology ; Technology
WOS KeywordVERIFICATION
Indexed BySCI ; ISTP
Language英语
WOS Research AreaComputer Science ; Imaging Science & Photographic Technology
WOS SubjectComputer Science, Artificial Intelligence ; Computer Science, Theory & Methods ; Imaging Science & Photographic Technology
WOS IDWOS:000184940200020
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9928
Collection09年以前成果
Corresponding AuthorTian, Jie
AffiliationChinese Acad Sci, Biometr Res Grp, Inst Automat, Beijing 100080, Peoples R China
Recommended Citation
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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