Fast Thinning Method for Fingerprint Image by Separating End and Bifurcation Regions 


Vol. 6,  No. 10, pp. 2816-2822, Oct.  1999
10.3745/KIPSTE.1999.6.10.2816


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  Abstract

In this paper, a fast thinning method for fingerprint image by separating end and bifurcation regions is proposed. To detect feature points in automatic fingerprint identification system. thinning of fingerprint is essential. The end and bifurcation regions in ridge line are separated by means of run-length coding. and parallel thinning method is applied to the separated regions. The rest parts except the end and bifurcation regions are processed by connecting center points of each run. The performance of the proposed method has been evaluated by CPU processing time and thinness measurement. By the experimental results, the proposed method is fast and has high thinness value.

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[IEEE Style]

L. J. Hwan and S. J. Chang, "Fast Thinning Method for Fingerprint Image by Separating End and Bifurcation Regions," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 6, no. 10, pp. 2816-2822, 1999. DOI: 10.3745/KIPSTE.1999.6.10.2816.

[ACM Style]

Lee Jeong Hwan and Shim Jae Chang. 1999. Fast Thinning Method for Fingerprint Image by Separating End and Bifurcation Regions. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 6, 10, (1999), 2816-2822. DOI: 10.3745/KIPSTE.1999.6.10.2816.

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