Steganographically encoding specular surfaces
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United States of America Patent
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Jan 9, 2007
Issued Date -
N/A
app pub date -
Feb 5, 2003
filing date -
Apr 16, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides techniques to steganographically mark specular surfaces. In one implementation, we steganographically mark a specular surface by providing a steganographic signal including at least plural-bit data, and arranging ink in a pattern on the specular surface to represent the steganographic signal. The ink preferably provides a diffuse reflection property.
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Cited Art Landscape
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