Methods to evaluate images, video and documents
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United States of America Patent
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Jul 15, 2008
Grant Date -
Jul 26, 2007
app pub date -
Jan 10, 2007
filing date -
Jan 20, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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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