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Effectively incorporating various features with minutiae in fingerprint matching is a challenging task. This paper presents an algorithm to extract two novel discriminative features that describe three kinds of information: macro orientation patterns, micro ridge representation, and minutiae of fingerprints. These features, namely OrientationCodes and PolyLines, are fixed-length, easy to be measured...
This paper introduces a new idea to define and extract singular points (SPs, including cores and deltas) from fingerprint images by a zone Could-be-in theorem that describes harmonic relationships of a SP and its neighbors. According to the theorem, we can view SPs as stable points (attractors and rejectors by their rotations), estimate core's direction, and restore SP offset. The proposed method...
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