Real-time, distributed, transactional, hybrid watermarking method to provide trace-ability and copyright protection of digital content in peer-to-peer networks
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United States of America Patent
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-
N/A
Issued Date -
Nov 14, 2002
app pub date -
Mar 7, 2001
filing date -
Mar 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method of enabling real-time watermarking of digital works prior to distribution of digital work. The method entails maintaining a central repository of fingerprint meta-data of digital works so that upon a request for insertion of watermark in a digital work, the watermarking application communicates with the central repository and receives fingerprint meta-data which provides information regarding where to insert said watermarks. The method also enables a method of extraction of watermarks based on fingerprint meta-data. Furthermore, the fingerprint meta-data can be utilized to search for digital works of similar characteristics and to block digital works that are illegal copies of the digital work.
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