发明名称 Method and apparatus for embedding auxiliary information within original data
摘要 The present invention relates generally to embedding and/or encoding auxiliary information within original data. For example, in one embodiment, a method of embedding auxiliary information in data is provided. The auxiliary information is not lost with compression of the embedded data. The embedded data initially includes a non-compressed form including the auxiliary information embedded therein. The method includes: (a) retrieving the auxiliary information from the non-compressed form of the embedded data; (b) compressing the non-compressed form of the embedded data; and (c) embedding the retrieved auxiliary information in the compressed embedded data, whereby the compressed embedded data comprises the auxiliary information embedded therein. Other embodiments are provided and claimed as well.
申请公布号 US7197156(B1) 申请公布日期 2007.03.27
申请号 US19990404292 申请日期 1999.09.23
申请人 DIGIMARC CORPORATION 发明人 LEVY KENNETH LEE
分类号 G06K9/00 主分类号 G06K9/00
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