发明名称 System and Method for Tracing Tardos Fingerprint Codes
摘要 A system and method is provided for identifying the source of an unauthorized copy of content. The method includes embedding a unique user fingerprint code to into each of a plurality of authorized copies of content and identifying an unknown fingerprint code in an unauthorized copy of the content. Each member of the unknown fingerprint code is compared to each corresponding member in each of the user fingerprint codes. A score is assigned to each of the user fingerprint codes based on the comparison and users associated with scores exceeding a threshold are identified as a source of the unauthorized copy.
申请公布号 US2009049560(A1) 申请公布日期 2009.02.19
申请号 US20080131074 申请日期 2008.05.31
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 LOTSPIECH JEFFREY BRUCE
分类号 G06F7/04 主分类号 G06F7/04
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