Invention Grant
- Patent Title: Volume marking with low-frequency
- Patent Title (中): 低频音量标记
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Application No.: US12452384Application Date: 2007-06-29
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Publication No.: US08638977B2Publication Date: 2014-01-28
- Inventor: Jeffrey Adam Bloom , Jun Tian
- Applicant: Jeffrey Adam Bloom , Jun Tian
- Applicant Address: FR Boulogne-Billancourt
- Assignee: Thomson Licensing
- Current Assignee: Thomson Licensing
- Current Assignee Address: FR Boulogne-Billancourt
- Agent Robert D. Shedd; Jerome G. Schaefer
- International Application: PCT/US2007/015158 WO 20070629
- International Announcement: WO2009/005494 WO 20090108
- Main IPC: G06K9/00
- IPC: G06K9/00
Abstract:
A method and apparatus for embedding watermark data into a data stream using the insertion of low frequency carriers modulated by the watermark data into selected spatio-temporal volumes having equal total luminance values
Public/Granted literature
- US20100135523A1 VOLUME MARKING WITH LOW-FREQUENCY Public/Granted day:2010-06-03
Information query
