Invention Grant
- Patent Title: Multi-stage watermarking process and system
- Patent Title (中): 多级水印过程和系统
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Application No.: US12559879Application Date: 2009-09-15
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Publication No.: US07907749B2Publication Date: 2011-03-15
- 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: Reed Smith LLP
- Agent Marc S. Kaufman; Stephen M. Hertzler
- Main IPC: G06K9/00
- IPC: G06K9/00 ; G06K15/00 ; G06F21/00
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
- US20100002907A1 MULTI-STAGE WATERMARKING PROCESS AND SYSTEM Public/Granted day:2010-01-07
Information query
