New method for finding a reference point in fingerprint images with the use of the IPAN99 algorithm

• Autorzy: Wróbel K. , Doroz R.
• Języki publikacji: EN

Abstrakty

EN

This study presents a new method for finding a reference point in fingerprint images. The proposed method is based on the IPAN99 algorithm, which detects high curvature points on a contour of a graphical object. This algorithm was adjusted in the study to detect high curvature points on friction ridges. It allows locating a reference point on a fingerprint image. Since the IPAN99 algorithm requires that the thickness of an analysed contour should be of one pixel, each fingerprint image was adequately prepared before submitting to the analysis with the IPAN99 algorithm. Evaluation of the efficiency of the method consisted in comparing the distances between coordinates of reference points determined with the use of the proposed method and indicated by an expert. The developed method was compared with other algorithms used for determining a reference point.

Słowa kluczowe

EN

fingerprint; reference point; IPAN99

PL

odcisk; punkt odniesienia; IPAN99

• Wydawca: University of Silesia, Institute of Informatics, Computer Systems Department
• Czasopismo: Journal of Medical Informatics & Technologies
• Rocznik: 2009
• Tom: Vol. 13
• Strony: 59--63
• Opis fizyczny: Bibliogr. 12 poz., rys., tab.

Twórcy

autor

Wróbel K.

• University of Silesia, Institute of Computer Science, 41-200 Sosnowiec, Będzińska 39, Poland

autor

Doroz R.

Bibliografia

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