Title
Fingerprint Identification Using Delaunay Triangulation
Keywords
Delaunay triangulation; Fingerprint recognition; Indexing
Abstract
Presents an indexing-based approach to fingerprint identification. Central to the proposed approach is the idea of associating a unique topological structure with the fingerprint minutiae using Delaunay triangulation. This allows for choosing more "meaningful" minutiae groups (i.e., triangles) during indexing, preserves index selectivity, reduces memory requirements without sacrificing recognition accuracy, and improves recognition time. Specifically, assuming N minutiae per fingerprint on average, the proposed approach considers only O(N) minutiae triangles during indexing or recognition. This compares favorably to O(N3), the number of triangles usually considered by other approaches, leading to significant memory savings and improved recognition time. Besides their small number, the minutiae triangles we used for indexing have good discrimination power since, among all possible minutiae triangles, they are the only ones satisfying the properties of the Delaunay triangulation. As a result, index selectivity is preserved and indexing can be implemented in a low-dimensional space. Some key characteristics of the Delaunay triangulation are: (i) it is unique (assuming no degeneracies), (ii) can be computed efficiently in O(NlogN) time, and (iii) noise or distortions affect it only locally. The proposed approach has been tested on a database of 300 fingerprints (10 fingerprints from 30 persons), demonstrating good performance.
Publication Date
1-1-1999
Publication Title
Proceedings - 1999 International Conference on Information Intelligence and Systems, ICIIS 1999
Number of Pages
452-459
Document Type
Article; Proceedings Paper
Personal Identifier
scopus
DOI Link
https://doi.org/10.1109/ICIIS.1999.810315
Copyright Status
Unknown
Socpus ID
84902322254 (Scopus)
Source API URL
https://api.elsevier.com/content/abstract/scopus_id/84902322254
STARS Citation
Bebis, George; Deaconu, Taisa; and Georgiopoulos, Michael, "Fingerprint Identification Using Delaunay Triangulation" (1999). Scopus Export 1990s. 3798.
https://stars.library.ucf.edu/scopus1990/3798