Analysis of qualitative parameters for biometric user authentication system
Journal Title: Проблеми телекомунікацій - Year 2012, Vol 0, Issue 4
Abstract
The scientific optimization problem for decision-making in biometric systems from the perspective of the minimum average risk criterion is considered. Rapid development and rather wide use of biometric systems in various spheres of human activity, including in modern telecommunication systems, highlights the reliability of their performance. The work is based on the method of biometric systems theory of mathematical statistics, which is widely and effectively used in a number of modern engineering systems. For example, in modern radars conditional probability of false alarm is at the level and below. The requirements for errors of the 1st kind are not so stringent. It is this way is a key to select the requirements for the quality characteristics of biometric systems. A common approach for the equality of errors of the first and the second kind, which is widely used in present-day biometric systems, is not constructive, because it is valid only for the particular case, which is far from practical needs. In this article the weight optimization criterion of quality parameters for biometric identification systems (authentication), based on a more general criterion for minimum average risk of erroneous decisions, is obtained. Practical recommendations for the choice of their quality indicators are given. Further research will focus on the synthesis of decision rules for specific biometric systems.
Authors and Affiliations
Николай Савельевич Пастушенко, Игорь Шакирович Невлюдов
Keywords
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