Low visible digital watermarks
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 15, 2010
Issued Date -
N/A
app pub date -
Jun 14, 2005
filing date -
Apr 19, 2000
priority date (Note) -
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Abstract
The present invention relates to digital watermarking. In a preferred embodiment, media is embedded with one or more digital watermark components. The media includes a blue color plane, a red color plane and a green color plane. The digital watermark component is embedded in the blue color plane, and scaled versions of the digital watermark component are embedded in the red and green color planes. The scaling of component in the red and green color planes helps insure that luminance attributable to the blue color digital watermark component is reduced or offset. A related watermark detection scheme is disclosed.
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