Application Of Genetic Algorithm In Fingerprint Minutiae Recognition

The application of fingerprint recognition is widely used in many fields, but the accuracy and speed of recognition can't satisfy with the requirement of many practical circumstances. To improve the performance of automatic fingerprint recognition and promoting its application, the dissertation discusses the problems of fingerprint minutiae extraction, fingerprint minutiae verification and fingerprint minutiae matching, using the knowledge of digital image processing, pattern recognition and computational intelligence. The major works of this dissertation are listed as following:1. A minutiae extraction method based on binary image is proposed. Firstly the image segments are extracted from binary image based on run-length code matching where each segment represents a section of fingerprint ridge without bifurcation. Then the minutiae are determined by defined rules based on the structure of these segments and their link relations.2. A minutiae verification method based on the fuzzy geometry features and texture features is proposed. Firstly the local neighbor area of a minutia in the gray image is taken. Then the fuzzy geometry...