Fingerprint-based biometric recognition allied to fuzzy-neural feature classification.

MOHAMED, Suliman M. (2002). Fingerprint-based biometric recognition allied to fuzzy-neural feature classification. Doctoral, Sheffield Hallam University (United Kingdom)..

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    The research investigates fingerprint recognition as one of the most reliable biometrics identification methods. An automatic identification process of humans-based on fingerprints requires the input fingerprint to be matched with a large number of fingerprints in a database. To reduce the search time and computational complexity, it is desirable to classify the database of fingerprints into an accurate and consistent manner so that the input fingerprint is matched only with a subset of the fingerprints in the database. In this regard, the research addressed fingerprint classification. The goal is to improve the accuracy and speed up of existing automatic fingerprint identification algorithms. The investigation is based on analysis of fingerprint characteristics and feature classification using neural network and fuzzy-neural classifiers.The methodology developed, is comprised of image processing, computation of a directional field image, singular-point detection, and feature vector encoding. The statistical distribution of feature vectors was analysed using SPSS. Three types of classifiers, namely, multi-layered perceptrons, radial basis function and fuzzy-neural methods were implemented. The developed classification systems were tested and evaluated on 4,000 fingerprint images on the NIST-4 database. For the five-class problem, classification accuracy of 96.2% for FNN, 96.07% for MLP and 84.54% for RBF was achieved, without any rejection. FNN and MLP classification results are significant in comparison with existing studies, which have been reviewed.

    Item Type: Thesis (Doctoral)
    Additional Information: Thesis (Ph.D.)--Sheffield Hallam University (United Kingdom), 2002.
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Biomedical Research Centre
    Depositing User: EPrints Services
    Date Deposited: 10 Apr 2018 17:21
    Last Modified: 26 Apr 2021 12:08

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