METHOD FOR AUTHENTICATING A USER, ASSOCIATE SYSTEM AND COMPUTER PROGRAM
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United States of America Patent
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Jun 17, 2015
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Jun 18, 2014
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Abstract
An authentication method wherein, in a training phase, a user is presented with a plurality of images called primed images and drawn randomly from a database (6) containing images. In an authentication phase, the user is presented with a plurality of degraded versions of at least a subset of the primed images and with a plurality of degraded versions of non-primed images extracted from the database. After receiving from the user respective identifications of the presented degraded primed images and non-primed images, a global score based is determined. The user is authenticated based upon the determined global score.
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