Steganographic system
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United States of America Patent
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Dec 15, 1998
Issued Date -
N/A
app pub date -
May 8, 1995
filing date -
Nov 18, 1993
priority date (Note) -
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status (Latency Note)
Importance
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 discerned and the carrier thereby identified. The method and apparatus are characterized by robustness despite degradation of the encoded carrier, and by permeation of the identification signal throughout the carrier.
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