Invention Grant
- Patent Title: Generating watermark signals
- Patent Title (中): 生成水印信号
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Application No.: US10523351Application Date: 2003-07-25
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Publication No.: US07461256B2Publication Date: 2008-12-02
- Inventor: Ryuki Tachibana , Ryo Sugihara
- Applicant: Ryuki Tachibana , Ryo Sugihara
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Louis P. Herzberg
- Priority: JP2002-220065 20020729
- International Application: PCT/JP03/09505 WO 20030725
- International Announcement: WO2004/012453 WO 20040205
- Main IPC: H04L9/00
- IPC: H04L9/00 ; H04N7/167
Abstract:
A method for generating watermark signals to be embedded as a digital watermark in real-time contents wherein the method includes: inputting the real-time contents; storing the real-time contents; generating watermark signals corresponding to predicted intensities of the real-time contents from divided real-time contents; and storing the generated watermark signals to be outputted.
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