Identification/authentication system using robust, distributed c

Details Identification/authentication system using robust, distributed c Identification/authentication system using robust, distributed c

1996-03-15

1998-04-28

Boudreau, Leo

Image analysis

Image compression or coding

380 4, 380 5, 382100, G06K 936, H04L 900

Patent

active

057456046

ABSTRACT:
An identification code signal is impressed on a carrier to be identified (such as an electronic data signal or a physical medium) in a manner that permits the identification signal later to be statistically discerned and the carrier thereby identified. The method and apparatus are characterized by robustness despite degradation of the encoded carrier, and by holographic permeation of the identification signal throughout the carrier.

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