发明名称 |
Methods to Evaluate Images, Video and Documents |
摘要 |
The present invention relates generally to steganographic encoding and/or digital watermarking. In one embodiment, a method is provided including: obtaining an image or video; encoding a first steganographic component in the image or video, wherein the first steganographic component comprises a first set of properties that are designed to be affected in a first manner when transformed from a first color gamut to a second color gamut; and encoding a second steganographic component in the image or video, wherein the first steganographic component comprises a second set of properties that are designed to be affect in a second manner when transformed from the first color gamut to the second color gamut. Other implementations and embodiments are provided and claimed as well.
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申请公布号 |
US2007172097(A1) |
申请公布日期 |
2007.07.26 |
申请号 |
US20070621877 |
申请日期 |
2007.01.10 |
申请人 |
RHOADS GEOFFREY B;GUSTAFSON AMMON E |
发明人 |
RHOADS GEOFFREY B.;GUSTAFSON AMMON E. |
分类号 |
G06K9/00;G06T1/00;G06T7/00;G07C9/00;G07F7/08;G07F7/12;G10L19/00;G11B20/00;H04N1/00;H04N1/32 |
主分类号 |
G06K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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