Human Identification System Based on PCA Using Geometric Features of Teeth

  • Young-Suk Shin
  • Myung-Su Kim
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3832)

Abstract

We present a new human identification system based on PCA using geometric features of teeth such as the size and shape of the jaws, size of the teeth and teeth structure. In this paper we try to set forth the foundations of a biometric system for information encrypting of living people using dental features. To create a biometric matching system, a template based on principal component analysis(PCA) is created from dental data collected the plaster figures of teeth which were done at dental hospital, department of oral medicine. Templates of dental images based on PCA representation include the 100 principle components as the features for individual identification. The PCA basis vectors reflects well the features for individual identification in the whole of teeth and the part of teeth. The classification for human identification is generated based on the distance between the whole of teeth and the part of teeth with the nearest neighbor(NN) algorithm. The identification performance in 300 dental image is 97% for the part of teeth missed the right-molar and back teeth, 98.3% for the part of teeth missed the front teeth and 96.6% for the part of teeth missed the left-molar and back-teeth.

Keywords

Recognition Rate Near Neighbor Individual Identification Biometric System Tooth Structure 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2005

Authors and Affiliations

  • Young-Suk Shin
    • 1
  • Myung-Su Kim
    • 2
  1. 1.Department of Information Communication EngineeringChosun UniversityGwangjuSouth Korea
  2. 2.College of DentistryChosun UniversityGwangjuSouth Korea

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