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Boimetrics

 

ABSTRACT

 

            Biometrics refers to the identification of the person based on his or her physical characteristics or personal trait. There are many methods used in the biometric technology among them the iris recognition is the obtrusive. In this paper we have dealt about IRIS RECOGNITON TECHNOLOGY and how it works, for which we have also given an example. The recognition principle is the failure of a test of statistical independence on iris phase structure encoded by multi-scale quadrature wavelets.

 

            The combinational complexity of this phase information across different persons spans about 244 degrees of freedom and generates discrimination entropy of about 3.2 bits/mm over the iris, enabling real-time decisions about personal identity with extremely high confidence. The high confidence levels are important because they allow very large databases to be searched exhaustively one-to-many identification mode without making any false matches, despite so many chances. Biometrics lacking this property can only survive one-to-one verification or few comparisons.

          Further we have given potential limitation, advantages and disadvantages and some of the future applications of iris recognition technology.



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