Biometrics for Network Security by By Paul Reid

Author:By Paul Reid [Reid, By Paul]
Language: rus
Format: epub
ISBN: 0131015494
Publisher: Prentice Hall PTR
Published: 0101-01-01T00:00:00+00:00

Fixed vocabulary verification

Fixed vocabulary verification is based on the user's being enrolled and verified from a known pool of words. This pool of words is usually made up of the digits 0 through 9, and some other randomly related words. For the user to enroll, each word in the vocabulary is repeated so that a unique user model is created. When it is time for the user to verify, he/she is prompted with a random subset of the vocabulary. When the live template is compared to the enrolled template, a match is determined based on the breakdown of each word in the vocabulary relative to the enrolled word model. The match of each word model is summed to generate a value for determining a match.

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