发明名称 |
Steganographic Systems and Methods |
摘要 |
The present invention relates to steganographic systems and methods. One claim recites an apparatus including: electronic memory to buffer a compressed digital watermark object, the digital watermark object is a separate object relative to a compressed video object; and an electronic processor. The electronic processor is programmed for: decompressing the compressed video object to yield a decompressed video object, the decompressed video object comprising data representing video picture elements and data representing audio elements; decompressing the digital watermark object to obtain digital watermark data; steganographically hiding the digital watermark data in the data representing video picture elements or in the data representing audio elements to yield digital watermarked video or audio; and rendering the digital watermarked video or audio. Other claims and combinations are provided too.
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申请公布号 |
US2010067737(A1) |
申请公布日期 |
2010.03.18 |
申请号 |
US20090620295 |
申请日期 |
2009.11.17 |
申请人 |
MILLER MARC D;LEVY KENNETH L;RHOADS GEOFFREY B |
发明人 |
MILLER MARC D.;LEVY KENNETH L.;RHOADS GEOFFREY B. |
分类号 |
G06K9/00;B42D15/10;G06F17/30;G06K17/00;G06K19/06;G06K19/14;G06K19/18;G06T1/00;G07C9/00;G07D7/00;G07D7/12;G07F7/08;G07F7/10;G07F17/16;G07F17/26;G10L19/00;G11B20/00;H04N1/00;H04N1/32;H04N7/26;H04Q7/38 |
主分类号 |
G06K9/00 |
代理机构 |
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地址 |
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