Detection of Core and Delta Fields Using an Improved Fractal Method

JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM ›› 2000, Vol. 23 ›› Issue (2): 5-9.

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Detection of Core and Delta Fields Using an Improved Fractal Method

SU Fei, SUN Jing-ao, CAI An-ni

School of Telecommunication Engineering, Beijing University of Posts and Telecommunications, Beijing 100876,China

Received:1999-11-10 Online:2000-03-10

Abstract

Abstract: A new technique that uses Discrete Fractal Brownian Motion to describe a fingerprint is presented. By computing certain fractal parameters, a fingerprint's core and delta fields can be roughly detected. Experimental results demonstrate this method to be not only more efficient than the single fractal dimension method, but also more noise resistant than the traditional schemes.

Key words: feature extraction, discrete fractal Brownian motion, fractal dimension, texture image

CLC Number:

TP391.4

SU Fei, SUN Jing-ao, CAI An-ni. Detection of Core and Delta Fields Using an Improved Fractal Method[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2000, 23(2): 5-9.

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Detection of Core and Delta Fields Using an Improved Fractal Method

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