Invention Grant
- Patent Title: Multi-stage watermarking process and system
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Application No.: US11209647Application Date: 2005-08-24
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Publication No.: US07609848B2Publication Date: 2009-10-27
- Inventor: Xin Wang , Steve Atsushi Okamoto , Russell Robert Lear , Nancy Lynn Ishigo
- Applicant: Xin Wang , Steve Atsushi Okamoto , Russell Robert Lear , Nancy Lynn Ishigo
- Applicant Address: US DE Wilmington
- Assignee: ContentGuard Holdings, Inc.
- Current Assignee: ContentGuard Holdings, Inc.
- Current Assignee Address: US DE Wilmington
- Agency: Nixon Peabody, LLP
- Agent Marc S. Kaufman; Stephen Hertzler
- Main IPC: G06K9/00
- IPC: G06K9/00 ; H04L9/32

Abstract:
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.
Public/Granted literature
- US20050283611A1 Multi-stage watermarking process and system Public/Granted day:2005-12-22
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