Hiding information to reduce or offset perceptible artifacts
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United States of America Patent
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Apr 11, 2006
Issued Date -
N/A
app pub date -
Apr 12, 2004
filing date -
Apr 19, 2000
priority date (Note) -
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Abstract
The present invention relates to digital watermarking. In a preferred embodiment, a multi-channel media signal is embedded with first and second digital watermark components. The first component is embedded in a first of the channels and a second component is embedded in a second of the channels. The second component is registered with the first component so as to reduce visible attributes that are attributable to the first component.
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