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发明名称
Watermark systems and methods
摘要
Various improvements relating to digital watermarking and related technologies are detailed, including methods that enhance security and functionality, and new articles including watermarked puzzles and marked DNA.
申请公布号
US7822969(B2)
申请公布日期
2010.10.26
申请号
US20020122141
申请日期
2002.04.12
申请人
DIGIMARC CORPORATION
发明人
ANGLIN HUGH W.
分类号
H04L29/06;G06T1/00;H04L9/00
主分类号
H04L29/06
代理机构
代理人
主权项
地址
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