Steganographically encoding a first image in accordance with a second image
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United States of America Patent
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-
Aug 6, 2002
Issued Date -
N/A
app pub date -
Jan 10, 2001
filing date -
Nov 18, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Multi-bit auxiliary information is hidden in imagery (e.g., digital photographs, video), using steganographic techniques. Such information can be used for various purposes, including identifying imagery as originating from a particular source, copy control, etc. In some embodiments, one image is encoded using data that is dependent on a second image.
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Cited Art Landscape
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