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In the fingerprint recognition system, skeleton extraction for low quality fingerprint images is an emphasis and difficulty task. Traditional methods are, however, susceptible to noise. In view of this, we propose a principal curves-based approach to alleviate this difficulty. In the paper, according to some characteristics of the fingerprint dataset, we improve the original principal graph algorithm...
It is important to extract minutiae of a fingerprint for the implementation of an auto fingerprint identification system. In this paper, the principal graph algorithm proposed by Kegl is used to obtain principal curves, which can be served as the skeletons of a fingerprint. Based on the obtained principal curves, a minutiae extraction algorithm is proposed to extract minutiae of the fingerprint. The...
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