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Core Point Detection Using Labeling Method in Fingerprint  

송영철 (경북대학교 전자공학과 신호처리연구실)
박철현 (경북대학교 전자공학과 신호처리연구실)
박길흠 (경북대학교 전자공학과 신호처리연구실)
Abstract
In this paper, an efficient core point detection method using orientation pattern labeling is proposed in fingerprint image. The core point, which is one of the singular points in fingerprint image, is used as the reference point in the most fingerprint recognizing system. Therefore, the detection of the core point is the most essential step of the fingerprint recognizing system, it can affect in the whole system performance. The proposed method could detect the position of the core point by applying the labeling method for the directional pattern which is come from the distribution of the ridges in fingerprint image and applying detailed algorithms for the decision of the core point's position. The simulation result of proposed method is better than the result of Poincare index method and the sine map method in executing time and detecting rate. Especially, the Poincare index method can't detect the core point in the detection of the arch type and the sine map method takes too much times for executing. But the proposed method can overcome these problems.
Keywords
core point detection; labeling method; fingerprint;
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