Analysis of template update strategies for keystroke dynamics

  title={Analysis of template update strategies for keystroke dynamics},
  author={Romain Giot and Bernadette Dorizzi and Christophe Rosenberger},
  journal={2011 IEEE Workshop on Computational Intelligence in Biometrics and Identity Management (CIBIM)},
Keystroke dynamics is a behavioral biometrics showing a degradation of performance when used over time. This is due to the fact that the user improves his/her way of typing while using the system, therefore the test samples may be different from the initial template computed at an earlier stage. One way to bypass this problem is to use template update mechanisms. We propose in this work, new semi-supervised update mechanisms, inspired from known supervised ones. These schemes rely on the choice… CONTINUE READING
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