发明名称 |
Digital watermarking methods, programs and apparatus |
摘要 |
The present claims recite various steganographic and digital watermarking methods and apparatus. One claim recites a method of watermarking a representation of a physical object. The method includes: projecting a watermark orientation component onto a physical object; and using a camera or image sensor, capturing an image or video of the physical object including the watermark orientation component as projected thereon. Another claim recites an apparatus including: a light source for projecting a registration component onto a physical object; a camera or sensor for capturing an image or video of the physical object including the registration component as projected thereon; and an electronic processor programmed for encoding a message in the image or video captured by said camera or sensor. Of course, other claims and combinations are provided as well. |
申请公布号 |
US8068636(B2) |
申请公布日期 |
2011.11.29 |
申请号 |
US20090562883 |
申请日期 |
2009.09.18 |
申请人 |
RODRIGUEZ TONY F.;STACH JOHN;DIGIMARC CORPORATION |
发明人 |
RODRIGUEZ TONY F.;STACH JOHN |
分类号 |
G06K9/00 |
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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