Personal recognition based on an image of the palmar surface of the hand

  • Authors:

  • Tadej Savič;Nikola Pavešić

  • Affiliations:

  • Faculty of Electrical Engineering, University of Ljubljana, Trzaska c. 25, 1000 Ljubljana, Slovenia;Faculty of Electrical Engineering, University of Ljubljana, Trzaska c. 25, 1000 Ljubljana, Slovenia

  • Venue:
  • Pattern Recognition
  • Year:
  • 2007

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Abstract

This paper describes the design and development of a multimodal biometric personal recognition system based on features extracted from a set of 14 geometrical parameters of the hand, the palmprint, four digitprints, and four fingerprints. The features are extracted from a single high-resolution gray-scale image of the palmar surface of the hand using the linear discriminant analysis (LDA) appearance-based feature-extraction approach. The information contained in the extracted features is combined at the matching-score level. The resolutions of the palmprint, digitprint and fingerprint sub-images, the similarity/dissimilarity measures, the matching-score normalization technique, and the fusion rule at the matching-score level, which optimize the system performance, were determined experimentally. The biometric system, when using a system configuration with optimum parameters, showed an average equal error rate (EER) of 0.0005%, which makes it sufficiently accurate for use in high-security biometric systems.