发明名称 Multi-stage watermarking process and system
摘要 A multi-stage watermarking system and process that creates a watermark specification which describes how to generate a watermark, generates a template specification which describes how to merge the watermark into a target document, generates the watermark based on the watermark specification, and merges the watermark into the target document based on the template specification to provide a watermarked document.
申请公布号 US2005280876(A1) 申请公布日期 2005.12.22
申请号 US20050142256 申请日期 2005.06.02
申请人 WANG XIN;OKAMOTO STEVE A;LEAR RUSSELL R;ISHIGO NANCY L 发明人 WANG XIN;OKAMOTO STEVE A.;LEAR RUSSELL R.;ISHIGO NANCY L.
分类号 G06K9/00;G06T1/00;H04L9/00;H04N1/32;(IPC1-7):B41M3/10 主分类号 G06K9/00
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