5th International Conference on Geometry and Applications - download pdf or read online

By Atanasov D.V.

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Equivalently, from the above, we can also compute the maximum N that will allow for a certain probability of collision. 9] 2 · corresponding to the value of N for which the system will introduce interference probability equal to . 5, then N = 39. In other words, given an SBS endowed with 1,152 categories, subjects uniformly distributed in these categories, the probability of 50% for any occurring collision is counter-intuitively in a group of 39 subjects. In regards to q(N), the closed form expression is readily seen to be 1 .

Published 2012 by ISTE Ltd. Edited by Amine Naït-Ali and Régis Fournier 40 Signal and Image Processing for Biometrics least one biometric trait. Building on this progress, the latest addition of soft biometrics builds and adds to the main advantages of classical biometrics. The idea for a person identification system was introduced in the 19th Century by Alphonse Bertillon [RHO 56], who considered that traits include color of eyes, hair type, and skin tone; shape and size of the head; as well as general discriminators like height or weight, and also indelible marks such as birth marks, scars, or tattoos.

We first focus on calculating and plotting p(N), under the simplifying assumption of statistical uniformity of the categories. 6] 1 or equivalently expanded as ; 1 1 1 … 1 1 ! ! 7] We note that under the uniformity assumption, the above described ; forms a lower bound on this same probability (in the absence of the same assumption). Equivalently, from the above, we can also compute the maximum N that will allow for a certain probability of collision. 9] 2 · corresponding to the value of N for which the system will introduce interference probability equal to .

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5th International Conference on Geometry and Applications by Atanasov D.V.


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